A fermented compound fertilizer made from potato residue with the function of preventing and controlling plant diseases and its application

Abstract

The present application relates to the technical field of fertilizer preparation, and particularly relates to potato residue fermentation compound fertilizer with plant disease prevention and treatment effect and application thereof.The present application provides potato residue fermentation compound fertilizer with plant disease prevention and treatment effect, which comprises potato residue fermentation organic fertilizer and traditional Chinese medicine compound preparation, and the mass ratio is 90-110:11-17.The present application uses traditional Chinese medicine compound preparation in combination with potato residue fermentation organic fertilizer, and the addition of traditional Chinese medicine compound preparation not only further improves the fertilizer efficiency of the fertilizer, but also makes the fertilizer have the effect of preventing and treating plant diseases, so that the dual effects of promoting growth and preventing diseases are achieved.

Description

Technical Field

[0001] This invention relates to the field of fertilizer preparation technology, and in particular to a fermented compound fertilizer made from potato residue with the function of preventing and controlling plant diseases and its application. Background Technology

[0002] Among the widely grown food crops around the world, production efficiency and quality directly affect food safety and farmers' income, and are of great significance for ensuring food security and improving farmers' living standards.

[0003] Currently, improper or excessive fertilizer application can lead to soil degradation, environmental pollution, and declining crop yields and quality. Strengthening and improving pollutant treatment and increasing the efficiency of pollutant resource utilization are urgent issues that need to be addressed in the development of green industries. Utilizing composting technology to produce organic fertilizer can more quickly achieve the harmless treatment and resource utilization of potato residue.

[0004] In potato processing, multiple steps are required to extract starch or make potato chips, including washing, peeling, slicing, and soaking. The waste generated in these steps mainly consists of potato skins, fragments, and unextracted starch, collectively forming potato pulp. While these wastes contain some nutrients, the proportions are unbalanced, making them difficult to utilize directly. Processing potato pulp into high-efficiency organic fertilizer for agricultural production not only utilizes waste but also reduces the use of chemical fertilizers in agriculture, mitigating their negative impacts on soil and crops, and improving agricultural yield and safety.

[0005] While producing organic fertilizer is the primary mode of harmless treatment and resource utilization of potato residue, the lack of mature and supporting technologies in organic fertilizer production leads to inconsistent treatment results. Aerobic composting of potato residue still suffers from problems such as high moisture content, incomplete fermentation, and low nutrient content. Therefore, how to fully utilize the remaining value of potato residue and further process it into organic fertilizer rich in nutrients and with high fertilizer efficiency is a problem that urgently needs to be solved by those skilled in the art.

[0006] Traditional Chinese medicine (TCM) herbs are abundant and widely available, attracting attention due to their advantages such as no drug resistance or residues, low toxicity, low cost, all-natural properties, and significant effects. TCM herbs contain nutrients such as proteins, amino acids, vitamins, lipids, sugars, macroelements, and various microelements, as well as large amounts of organic acids, alkaloids, polysaccharides, volatile oils, waxes, tannins, and some unknown growth-promoting active substances. Therefore, TCM herbs contain both nutrients for plant absorption and active ingredients with bactericidal effects. The rational use of TCM herbs can not only develop more types of highly efficient fertilizers but also solve problems such as pathogen resistance and excessive drug residues caused by chemical drugs and antibiotics, achieving two goals at once. Therefore, how to apply TCM herbs in the preparation of organic fertilizers and develop a potato residue fermented compound fertilizer with plant disease prevention and control capabilities is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0007] The purpose of this invention is to provide a potato residue fermented compound fertilizer with the function of preventing and controlling plant diseases and its application.

[0008] To achieve the above-mentioned objectives, the present invention provides the following technical solution:

[0009] This invention provides a potato residue fermented compound fertilizer with the function of preventing and controlling plant diseases, comprising: potato residue fermented organic fertilizer and traditional Chinese medicine compound preparation, with a mass ratio of 90-110:11-17;

[0010] Preferably, the traditional Chinese medicine compound preparation comprises the following components in parts by weight: Astragalus membranaceus 40-50 parts, Peucedanum praeruptorum 20-30 parts, Melia toosendan bark 20-30 parts, Paeonia lactiflora 15-20 parts, Acanthopanax senticosus 15-20 parts, Andrographis paniculata 15-20 parts, Acorus tatarinowii 10-15 parts, Sophora flavescens 10-15 parts, Atractylodes lancea 5-10 parts, and Celosia cristata 4-6 parts.

[0011] Preferably, the preparation method of the traditional Chinese medicine compound preparation is as follows:

[0012] (1) Mix and pulverize Astragalus membranaceus, Peucedanum praeruptorum, Melia toosendan bark, Paeonia lactiflora, Acanthopanax senticosus, Andrographis paniculata, Acorus tatarinowii, Sophora flavescens, Atractylodes lancea and Celosia cristata to obtain material 1;

[0013] (2) Mix the material 1 with water at a mass ratio of 1:5 to 7, soak and then decoct. Filter the filtrate to obtain the traditional Chinese medicine compound preparation.

[0014] Preferably, the crushed material in step (1) is passed through a 40-60 mesh sieve, and the material passing through the sieve is material 1; the soaking time in step (2) is 3-5 hours; and the decocting time is 2-3 hours.

[0015] This invention also provides a potato residue fermented organic fertilizer, comprising the following components in parts by weight: 150-200 parts potato residue, 10-20 parts wheat bran, 4-6 parts soybean meal, 4-6 parts cornmeal, 10-20 parts furfural residue, 1-2 parts fermentation inoculant, and 1-2 parts compound inoculant; the fermentation inoculant includes: Bacillus subtilis, Lactobacillus reesei, Saccharomyces cerevisiae, Trichoderma harzianum, and Trichoderma viride; the compound inoculant includes: Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus, and Pseudomonas alterniflora.

[0016] Preferably, the bacterial counts of Bacillus subtilis, Lactobacillus reesei, Corydalis cytosolicus, Trichoderma harzianum, and Trichoderma viride in the fermentation agent are all 200-400 million / mL.

[0017] Preferably, the bacterial counts of Bacillus cereus, Bacillus aureus, Lactobacillus inulinus, and Pseudomonas pseudoalteromonas in the compound bacterial agent are all 300-500 million / mL.

[0018] Preferably, the volume ratio of Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum, and Trichoderma viride in the fermentation agent is 20–26:18–24:15–19:7–13:4–6.

[0019] Preferably, the volume ratio of Bacillus cereus, Bacillus aureus, Lactobacillus inulinus, and Pseudomonas alterniflora in the compound microbial agent is 12-16:10-14:6-10:5-9.

[0020] The present invention also provides a method for preparing the aforementioned organic fertilizer, comprising the following steps:

[0021] (a) Mix potato residue, wheat bran, soybean meal, cornmeal, furfural residue and fermentation agent, adjust the moisture content and then compost;

[0022] (b) The composted material obtained in step (a) is mixed with compound microbial agent for fermentation and aging to obtain potato residue fermented organic fertilizer.

[0023] Preferably, step (a) involves adjusting the moisture content to 60-65%.

[0024] Preferably, the composting time in step (a) is 15 to 20 days, with the compost pile turned over every 4 to 6 days.

[0025] Preferably, the fermentation time in step (b) is 7 to 10 days.

[0026] Preferably, the aging time in step (b) is 20 to 30 days.

[0027] This invention also provides the application of the aforementioned potato residue fermented compound fertilizer with plant disease prevention and control effects in the prevention and control of plant diseases.

[0028] Preferably, the plant disease is: wheat root rot, wheat sheath blight, tomato Phytophthora root rot, or tomato early blight.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] Potato residue is a byproduct of potato starch production. It has a high water content, harbors many bacteria, and is prone to spoilage. However, it contains a large amount of usable components such as cellulose, pectin, and crude protein, making it highly valuable for development and utilization. In the fermentation agents used in this invention, *Trichoderma harzianum* and *Trichoderma viride* effectively decompose the crude fiber in potato residue. The use of *Saccharomyces boulardii* can break down large protein molecules into smaller, directly usable proteins. *Bacillus subtilis* can decompose various organic substances, and *Lactobacillus reinhardtii* activates the medium-level elements such as silicon, calcium, and magnesium in the fermentation material, and also has phosphorus and potassium solubilizing functions.

[0031] The compound microbial agent used in this invention can further decompose and utilize fermented materials. Its main function is to be applied to the soil as a probiotic strain, which can activate the soil and improve fertilizer efficiency. The Bacillus cereus and Bacillus inulin added to the compound microbial agent have phosphorus and potassium solubilizing functions, which can improve soil fertility and reduce the amount of chemical fertilizer used. Bacillus vesicularis and Pseudomonas pseudoalteromonas have antibacterial effects, showing excellent control effects against various plant pathogens and enhancing the stress resistance of crops.

[0032] Among the components added to the compound herbal preparation of this invention, Astragalus membranaceus is rich in various nutrients, such as organic acids, amino acids, vitamins, and trace elements, which have a good promoting effect on plant growth and development. Paeonia lactiflora contains various organic nutrients, including nitrogen, phosphorus, potassium, and calcium, and is particularly rich in various organic acids and plant growth regulators, which have significant effects on promoting plant growth and development, enhancing plant immunity, and improving yield and quality. Atractylodes lancea, when used as a fertilizer component, has significant fertilizer effects and can effectively improve soil structure, which is beneficial to improving the quality of agricultural products. Andrographis paniculata contains various bioactive components, such as flavonoids and alkaloids, which can have significant control effects on various diseases. Sophora flavescens contains abundant nutrients, and the matrine it contains has good control effects on wheat sheath blight and tomato Phytophthora root rot.

[0033] The bark of the neem tree contains azadirachtin, which can inhibit or interfere with the production of highly harmful aflatoxins by fungi. It also has a strong inhibitory effect on various bacteria and pathogens, and has a good control effect on a variety of plant diseases. Eleutherococcus senticosus has a good control effect on powdery mildew and other plant diseases caused by bacteria or fungi. Peucedanum praeruptorum has a certain effect on the control of rice blast. Adding Eleutherococcus senticosus can promote plant growth, increase crop growth rate and nutrient absorption capacity, while also improving plant disease resistance and reducing the severity of diseases and pests. Sweet flag can effectively control a variety of plant diseases. Cockscomb has a good control effect on tomato gray mold.

[0034] The traditional Chinese medicine compound preparation prepared by this invention has a synergistic effect among its components, which can effectively prevent and control plant diseases and promote crop growth. It has excellent control effects on a variety of plant diseases, such as wheat root rot fungus, wheat sheath blight fungus, and tomato Phytophthora root rot fungus.

[0035] This invention combines a compound preparation of traditional Chinese medicine with fermented organic fertilizer made from potato residue. The addition of the compound preparation of traditional Chinese medicine not only further enhances the fertilizer's efficiency but also enables the fertilizer to prevent and control plant diseases, achieving the dual effect of promoting growth and preventing diseases. Detailed Implementation

[0036] This invention provides a potato residue fermented compound fertilizer with the function of preventing and controlling plant diseases, comprising: potato residue fermented organic fertilizer and traditional Chinese medicine compound preparation, with a mass ratio of 90-110:11-17; preferably 94-106:12-16; further preferably 98-102:13-15; and more preferably 100:14.

[0037] In this invention, the traditional Chinese medicine compound preparation comprises the following components in parts by weight: Astragalus membranaceus 40-50 parts, Peucedanum praeruptorum 20-30 parts, Melia toosendan bark 20-30 parts, Paeonia lactiflora 15-20 parts, Acanthopanax senticosus 15-20 parts, Andrographis paniculata 15-20 parts, Acorus tatarinowii 10-15 parts, Sophora flavescens 10-15 parts, Atractylodes lancea 5-10 parts, and Celosia cristata 4-6 parts; preferably: Astragalus membranaceus 42-48 parts, Peucedanum praeruptorum 22-28 parts, Melia toosendan bark 22-28 parts, Paeonia lactiflora 16-19 parts, Acanthopanax senticosus 16-19 parts, Andrographis paniculata 16-19 parts, and Acorus tatarinowii 11-19 parts. 4 parts, Sophora flavescens 11-14 parts, Atractylodes lancea 6-9 parts, Celosia cristata 5 parts; further preferably, Astragalus membranaceus 44-46 parts, Peucedanum praeruptorum 24-26 parts, Melia toosendan bark 24-26 parts, Paeonia lactiflora 17-18 parts, Acanthopanax senticosus 17-18 parts, Andrographis paniculata 17-18 parts, Acorus tatarinowii 12-13 parts, Sophora flavescens 12-13 parts, Atractylodes lancea 7-8 parts, Celosia cristata 5 parts; more preferably, Astragalus membranaceus 45 parts, Peucedanum praeruptorum 25 parts, Melia toosendan bark 25 parts, Paeonia lactiflora 18 parts, Acanthopanax senticosus 18 parts, Andrographis paniculata 18 parts, Acorus tatarinowii 13 parts, Sophora flavescens 13 parts, Atractylodes lancea 8 parts, Celosia cristata 5 parts.

[0038] In this invention, the preparation method of the traditional Chinese medicine compound preparation is as follows:

[0039] (1) Mix and pulverize Astragalus membranaceus, Peucedanum praeruptorum, Melia toosendan bark, Paeonia lactiflora, Acanthopanax senticosus, Andrographis paniculata, Acorus tatarinowii, Sophora flavescens, Atractylodes lancea and Celosia cristata to obtain material 1;

[0040] (2) Mix the material 1 with water at a mass ratio of 1:5 to 7, soak and then decoct. Filter the filtrate to obtain the traditional Chinese medicine compound preparation.

[0041] In this invention, the mass ratio of material 1 to water is preferably 1:6.

[0042] In this invention, the pulverized material in step (1) is passed through a 40-60 mesh sieve, and the material passing through the sieve is material 1; preferably 44-56 mesh, more preferably 48-52 mesh; more preferably 50 mesh.

[0043] In this invention, the soaking time in step (2) is 3 to 5 hours; preferably 4 hours.

[0044] In this invention, the decocting time in step (2) is 2 to 3 hours; preferably 2.5 hours.

[0045] This invention also provides a fermented organic fertilizer made from potato residue, comprising the following components in parts by weight: 150-200 parts potato residue, 10-20 parts wheat bran, 4-6 parts soybean meal, 4-6 parts cornmeal, 10-20 parts furfural residue, 1-2 parts fermentation agent, and 1-2 parts compound agent; preferably, 160-190 parts potato residue, 12-18 parts wheat bran, 5 parts soybean meal, 5 parts cornmeal, and 12-18 parts furfural residue. The mixture comprises 1.5 parts fermentation inoculant and 1.5 parts compound inoculant; more preferably, it comprises 170-180 parts potato residue, 14-16 parts wheat bran, 5 parts soybean meal, 5 parts corn flour, 14-16 parts furfural residue, 1.5 parts fermentation inoculant and 1.5 parts compound inoculant; even more preferably, it comprises 175 parts potato residue, 15 parts wheat bran, 5 parts soybean meal, 5 parts corn flour, 15 parts furfural residue, 1.5 parts fermentation inoculant and 1.5 parts compound inoculant.

[0046] In this invention, the fermentation agent includes: Bacillus subtilis, Lactobacillus reesei, Saccharomyces cerevisiae, Trichoderma harzianum, and Trichoderma viride; the compound agent includes: Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus, and Pseudomonas alterniflora.

[0047] In this invention, the bacterial counts of Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum, and Trichoderma viride in the fermentation agent are all 200-400 million / mL; preferably 300 million / mL.

[0048] In this invention, the bacterial counts of Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus, and Pseudomonas alterniflora in the compound bacterial agent are all 300-500 million / mL; preferably 400 million / mL.

[0049] In this invention, the volume ratio of Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum, and Trichoderma viride in the fermentation agent is 20–26:18–24:15–19:7–13:4–6; preferably 21–25:19–23:16–18:8–12:5; further preferably 22–24:20–22:17:9–11:5; and even more preferably 23:21:17:10:5.

[0050] In this invention, the volume ratio of Bacillus cereus, Bacillus aureus, Lactobacillus inulinus, and Pseudomonas alterniflora in the compound microbial agent is 12-16:10-14:6-10:5-9; preferably 13-15:11-13:7-9:6-8; and more preferably 14:12:8:7.

[0051] The present invention also provides a method for preparing the aforementioned organic fertilizer, comprising the following steps:

[0052] (a) Mix potato residue, wheat bran, soybean meal, cornmeal, furfural residue and fermentation agent, adjust the moisture content and then compost;

[0053] (b) The composted material obtained in step (a) is mixed with compound microbial agent for fermentation and aging to obtain potato residue fermented organic fertilizer.

[0054] In this invention, step (a) involves adjusting the moisture content to 60-65%; preferably 61-64%; more preferably 62-63%; and even more preferably 62%.

[0055] In this invention, the composting time in step (a) is 15 to 20 days, with the compost pile turned over every 4 to 6 days; preferably, the composting time is 16 to 19 days, with the compost pile turned over every 5 days; more preferably, the composting time is 17 to 18 days, with the compost pile turned over every 5 days; and even more preferably, the composting time is 18 days, with the compost pile turned over every 5 days.

[0056] In this invention, the fermentation time in step (b) is 7 to 10 days; preferably 8 to 9 days; more preferably 9 days.

[0057] In this invention, the aging time in step (b) is 20 to 30 days; preferably 22 to 28 days; more preferably 24 to 26 days; and even more preferably 25 days.

[0058] This invention also provides the application of the aforementioned potato residue fermented compound fertilizer with plant disease prevention and control effects in the prevention and control of plant diseases.

[0059] In this invention, the plant diseases are: wheat root rot, wheat sheath blight, tomato Phytophthora root rot, or tomato early blight.

[0060] In this invention, the strains are Bacillus subtilis (Mingzhou Biotechnology B12039), Lactobacillus reinhardtii (ATCC7830), Saccharomyces cerevisiae (ATCC 32693), Trichoderma harzianum (Mingzhou Biotechnology BMZ112200), Trichoderma viride (Mingzhou Biotechnology BMZ127533), Bacillus cereus (Mingzhou Biotechnology B81109), Bacillus aureus (Mingzhou Biotechnology B94678), Lactobacillus inulinus (ATCC 15538), and Pseudomonas aeruginosa (NCCB 100134).

[0061] The technical solutions provided by the present invention will be described in detail below with reference to the embodiments, but they should not be construed as limiting the scope of protection of the present invention.

[0062] Example 1

[0063] A method for preparing fermented organic fertilizer from potato residue, comprising the following steps:

[0064] (1) Mix 150kg of potato residue, 10kg of wheat bran, 4kg of soybean meal, 4kg of corn flour and 10kg of furfural residue evenly with a turner and turn and aerate to obtain fermentation base material.

[0065] (2) Add 1kg of brown sugar to 55L of room temperature water, add 1.2kg of salt and 1.2kg of urea, heat and boil to remove bacteria, and when the temperature drops to 37℃, put it into a fermentation tank for later use.

[0066] (3) Divide the brown sugar water obtained in step (2) into 9 portions, and inoculate them with Bacillus subtilis, Lactobacillus reesei, Saccharomyces cerevisiae, Trichoderma harzianum, Trichoderma viride, Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus and Pseudomonas pseudoalternaria according to a volume ratio of 4.5%. Stir well, seal, and place in a culture room. The culture room temperature is controlled at 25±2℃ and cultured for 24 hours.

[0067] (4) The Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum and Trichoderma viride obtained in step (3) are mixed to obtain a fermentation agent. The volume ratio of Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum and Trichoderma viride in the fermentation agent is 20:18:15:7:4; and the bacterial count of each is 200 million / mL.

[0068] (5) The Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus and Pseudorabies obtained in step (3) are mixed to obtain a compound bacterial agent, wherein the volume ratio of Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus and Pseudorabies in the compound bacterial agent is 12:10:6:5, and the bacterial count of each is 300 million / mL.

[0069] (6) Mix 1 kg of fermentation base material and 1 kg of fermentation agent, adjust the moisture content to 60%, and compost for 15 days, turning the pile every 4 days.

[0070] (7) The composted material obtained in step (6) is mixed with 1 kg of compound microbial agent and fermented for 7 days and aged for 20 days to obtain potato residue fermented organic fertilizer.

[0071] Example 2

[0072] A method for preparing fermented organic fertilizer from potato residue, comprising the following steps:

[0073] (1) Mix 200kg of potato residue, 20kg of wheat bran, 6kg of soybean meal, 6kg of corn flour and 20kg of furfural residue evenly with a turner and then turn and aerate to obtain fermentation base material.

[0074] (2) Add 1kg of brown sugar to 45L of room temperature water, add 1kg of salt and 1kg of urea, heat and boil to remove bacteria, and when the temperature drops to 37℃, put it into a fermentation tank for later use.

[0075] (3) Divide the brown sugar water obtained in step (2) into 9 portions, and inoculate them with Bacillus subtilis, Lactobacillus reesei, Saccharomyces cerevisiae, Trichoderma harzianum, Trichoderma viride, Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus and Pseudomonas pseudoalternaria according to a volume ratio of 3.6%. Stir well, seal, and place in a culture room. The culture room temperature is controlled at 25±2℃ and cultured for 24 hours.

[0076] (4) The Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum and Trichoderma viride obtained in step (3) are mixed to obtain a fermentation agent. The volume ratio of Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum and Trichoderma viride in the fermentation agent is 26:24:19:13:6; and the bacterial count of each is 400 million / mL.

[0077] (5) The Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus and Pseudorabies obtained in step (3) are mixed to obtain a compound bacterial agent, wherein the volume ratio of Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus and Pseudorabies in the compound bacterial agent is 16:14:10:9, and the bacterial count of each is 500 million / mL.

[0078] (6) Mix 2 kg of fermentation base material and 2 kg of fermentation agent, adjust the moisture content to 65%, and compost for 20 days, turning the pile every 6 days.

[0079] (7) The composted material obtained in step (6) is mixed with 2 kg of compound microbial agent and fermented for 10 days and aged for 30 days to obtain potato residue fermented organic fertilizer.

[0080] Example 3

[0081] A method for preparing fermented organic fertilizer from potato residue, comprising the following steps:

[0082] (1) Mix 185kg of potato residue, 15kg of wheat bran, 5kg of soybean meal, 5kg of corn flour and 15kg of furfural residue evenly with a turner and turn and aerate to obtain fermentation base material.

[0083] (2) Add 1kg of brown sugar to 50L of room temperature water, add 1kg of salt and 1kg of urea, heat and boil to remove bacteria, and when the temperature drops to 37℃, put it into a fermentation tank for later use.

[0084] (3) Divide the brown sugar water obtained in step (2) into 9 portions, and inoculate them with Bacillus subtilis, Lactobacillus reesei, Saccharomyces cerevisiae, Trichoderma harzianum, Trichoderma viride, Bacillus cereus, Bacillus vesicularis, Lactobacillus inulinus and Pseudomonas pseudoalternaria according to a volume ratio of 4%. Stir well, seal, and place in a culture room. The culture room temperature is controlled at 25±2℃ and cultured for 24 hours.

[0085] (4) The Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum and Trichoderma viride obtained in step (3) are mixed to obtain a fermentation agent. The volume ratio of Bacillus subtilis, Lactobacillus reinhardtii, Saccharomyces cerevisiae, Trichoderma harzianum and Trichoderma viride in the fermentation agent is 23:21:17:11:5; and the bacterial count of each is 300 million / mL.

[0086] (5) The Bacillus cereus, Bacillus aqueductus, Lactobacillus inulinus and Pseudorabies obtained in step (3) are mixed to obtain a compound bacterial agent, wherein the volume ratio of Bacillus cereus, Bacillus aqueductus, Lactobacillus inulinus and Pseudorabies in the compound bacterial agent is 14:12:8:7, and the bacterial count of each is 400 million / mL.

[0087] (6) Mix 1.5 kg of fermentation base material and fermentation agent, adjust the moisture content to 60%, and compost for 18 days, turning the pile every 5 days.

[0088] (7) The composted material obtained in step (6) is mixed with 1.5 kg of compound microbial agent and fermented for 8 days. After aging for 25 days, potato residue fermented organic fertilizer is obtained.

[0089] Example 4

[0090] A method for preparing a traditional Chinese medicine compound preparation, comprising the following steps:

[0091] (1) Mix 40kg of Astragalus membranaceus, 20kg of Peucedanum praeruptorum, 20kg of Melia toosendan bark, 15kg of Paeonia lactiflora, 15kg of Acanthopanax senticosus, 15kg of Andrographis paniculata, 10kg of Acorus tatarinowii, 10kg of Sophora flavescens, 5kg of Atractylodes lancea, and 4kg of Celosia cristata, grind them into powder and pass them through a 40-mesh sieve. The material that passes through the sieve is material 1.

[0092] (2) Mix the material 1 with water at a mass ratio of 1:5, soak for 3 hours, decoct for 2 hours, and filter to obtain the filtrate, which is the traditional Chinese medicine compound preparation.

[0093] Example 5

[0094] A method for preparing a traditional Chinese medicine compound preparation, comprising the following steps:

[0095] (1) Mix and grind 50kg of Astragalus membranaceus, 30kg of Peucedanum praeruptorum, 30kg of Melia toosendan bark, 20kg of Paeonia lactiflora, 20kg of Acanthopanax senticosus, 20kg of Andrographis paniculata, 15kg of Acorus tatarinowii, 15kg of Sophora flavescens, 10kg of Atractylodes lancea, and 6kg of Celosia cristata through a 60-mesh sieve. The material passing through the sieve is material 1.

[0096] (2) Mix the material 1 with water at a mass ratio of 1:7, soak for 5 hours, decoct for 3 hours, and filter to obtain the filtrate, which is the traditional Chinese medicine compound preparation.

[0097] Example 6

[0098] A method for preparing a traditional Chinese medicine compound preparation, comprising the following steps:

[0099] (1) Mix and grind 45kg of Astragalus membranaceus, 25kg of Peucedanum praeruptorum, 25kg of Melia toosendan bark, 18kg of Paeonia lactiflora, 18kg of Acanthopanax senticosus, 18kg of Andrographis paniculata, 13kg of Acorus tatarinowii, 13kg of Sophora flavescens, 8kg of Atractylodes lancea, and 5kg of Celosia cristata and pass them through a 50-mesh sieve. The material passing through the sieve is material 1.

[0100] (2) Mix the material 1 with water at a mass ratio of 1:6, soak for 4 hours, decoct for 2.5 hours, and filter to obtain the filtrate, which is the traditional Chinese medicine compound preparation.

[0101] Example 7

[0102] A potato residue fermented compound fertilizer with the function of preventing and controlling plant diseases can be prepared by mixing the potato residue fermented organic fertilizer prepared in Example 1 and the traditional Chinese medicine compound preparation prepared in Example 4 at a mass ratio of 90:11.

[0103] Example 8

[0104] A potato residue fermented compound fertilizer with the function of preventing and controlling plant diseases can be prepared by mixing the potato residue fermented organic fertilizer prepared in Example 2 and the traditional Chinese medicine compound preparation prepared in Example 5 at a mass ratio of 110:17.

[0105] Example 9

[0106] A potato residue fermented compound fertilizer with the function of preventing and controlling plant diseases can be prepared by mixing the potato residue fermented organic fertilizer prepared in Example 3 and the traditional Chinese medicine compound preparation prepared in Example 6 at a mass ratio of 100:14.

[0107] Experimental Example 1

[0108] Pathogen growth inhibition test

[0109] Pathogen selection: *Phytophthora indicum*, *Phytophthora indicum*, *Phytophthora indicum*, and *Phytophthora indicum* (all pathogen concentrations were 1×10⁻⁶). 6 (units / mL).

[0110] Experimental grouping;

[0111] The traditional Chinese medicine compound preparation obtained in Example 6 was used as experimental group 1;

[0112] A control group 1 was set up, and the other methods were the same as in Example 6, except that no neem bark and red peony root were added.

[0113] Control group 2 followed the same methods as in Example 6, except that Atractylodes lancea and Celosia cristata were not added.

[0114] The traditional Chinese medicine compound preparations obtained from experimental group 1, control group 1, and control group 2 were concentrated and then freeze-dried. The freeze-dried agents from different experimental groups were prepared into PDA plates with a concentration of 0.25 g / mL. Using a 5 mm diameter punch, bacterial inoculum was taken from the pathogen colonies and inoculated into the center of the PDA plate. The plates were then incubated at 22℃ in a CO2 incubator for 3 days. The colony diameter was measured. Using untreated water as a control, the mycelial growth inhibition rate was calculated. The experiment was repeated three times, and the average value was taken. The results are shown in Table 1.

[0115] Table 1 Antibacterial effect

[0116] Group Wheat root rot wheat sheath blight Phytophthora root rot of tomato Early blight of tomatoes Experimental group 1 78.9％ 77.9％ 85.0％ 82.4％ Control group 1 52.6％ 55.7％ 65.2％ 63.7％ Control group 2 58.2％ 60.1％ 70.8％ 67.5％ Clear water 0 0 0 0

[0117] As shown in Table 1, the traditional Chinese medicine compound preparation provided by this invention has a good inhibitory effect on a variety of pathogens, especially against Phytophthora root rot and early blight of tomato, with an antibacterial effect of over 80%. Data from control groups 1 and 2 show that discarding some components of the preparation significantly affects its efficacy.

[0118] Experiment Example 2

[0119] Field efficacy test

[0120] A field with a high incidence of wheat root rot was selected for wheat cultivation and divided into equal-sized planting plots. The wheat variety chosen was Liangchun 1758. Three plots were randomly planted in each experimental group.

[0121] A field with a high incidence of Phytophthora root rot in tomatoes was selected for planting tomatoes, and the field was divided into equal-sized planting plots. The tomato variety selected was Tianwang tomato. Each experimental group randomly planted three plots.

[0122] The product obtained in Example 9 was used as Experimental Group 2.

[0123] A control group 3 was set up, and the other methods were the same as in Example 9, except that no bitter neem bark and red peony root were added when preparing the traditional Chinese medicine compound preparation.

[0124] Control group 4 followed the same methods as in Example 9, except that Atractylodes lancea and Celosia cristata were not added during the preparation of the herbal compound preparation.

[0125] The application method of the fermented compound fertilizer prepared in experimental group 2, control group 3, and control group 4 is as follows: 300 kg / mu is applied as base fertilizer before wheat planting, and 150 kg / mu is applied as top dressing during the jointing and grain-filling stages.

[0126] Apply 350 kg / mu as base fertilizer before planting tomatoes, and apply 200 kg / mu as top dressing before tomato flower bud differentiation, during fruit enlargement, and during peak fruiting.

[0127] Existing technology group 1: For the prevention and control of wheat root rot, apply benzoyl pyraclostrobin according to the instructions.

[0128] Existing Technology Group 2: For the control of Phytophthora root rot in tomatoes, apply Root Rot Control Agent according to the instructions. Existing Technology Group 1 and Existing Technology Group 2 use the same fertilizer as the experimental group (without the addition of the traditional Chinese medicine compound preparation), and the application method is the same as that of Experimental Group 2.

[0129] During the peak period of wheat root rot, the incidence of wheat root rot in each experimental group was investigated, and the relative control efficacy was calculated.

[0130] During the peak period of Phytophthora root rot in tomatoes, the incidence of Phytophthora root rot in tomatoes was investigated in each experimental group, and the relative control efficacy was calculated.

[0131] For the calculation method of control efficacy, please refer to the literature “Liu Ping, Li Qingkai, Li Yan, et al. Study on the control effect of water-soluble fertilizer containing wood vinegar on wheat root rot [J]. Shandong Agricultural Sciences, 2022, 54(5):146-150.” and “Xie Xuewen, Zhao Yurong, Sun Xueying, et al. Isolation, identification and control effect of biocontrol fungi of Phytophthora root rot of tomato [J]. Acta Phytopathologica Sinica, 2020, 50(5):8.DOI:10.13926 / j.cnki.apps.000471.”

[0132] Table 2 Results of wheat field trials

[0133] Group Prevention experimental group 78.38％ Control group 3 65.36％ Control group 4 69.32％ Existing technology group 1 72.54％

[0134] Table 3 Results of Tomato Field Trial

[0135]

[0136]

[0137] As shown in Tables 2 and 3, the fermented compound fertilizer provided by this invention has excellent control effects on wheat root rot and tomato Phytophthora root rot, and its control effect is significantly better than that of existing drugs. Data from control groups 3 and 4 show that discarding some components of the fermented compound fertilizer will affect its control effect on root rot.

[0138] Experimental Example 3

[0139] Field efficacy test

[0140] A field suitable for growing normal crops was selected for wheat cultivation and divided into equal-sized planting plots. The wheat variety chosen was Liangchun 1758. Each experimental group randomly planted three plots.

[0141] A field used for growing normal crops was selected for planting tomatoes, and the field was divided into equal-sized planting plots. The tomato variety chosen was Tianwang tomato. Each experimental group randomly planted three plots.

[0142] The product obtained in Example 9 was used as Experimental Group 2.

[0143] A control group 5 was set up, and the other methods were the same as in Example 9, except that Astragalus membranaceus and Paeonia lactiflora were not added when preparing the traditional Chinese medicine compound preparation.

[0144] Control group 6 followed the same methods as in Example 9, except that Andrographis paniculata and Sophora flavescens were not added during the preparation of the traditional Chinese medicine compound preparation.

[0145] The application method for fermented compound fertilizer is as follows: apply 300 kg / mu as base fertilizer before wheat planting, and apply 150 kg / mu as top dressing during the jointing and grain-filling stages. Apply 350 kg / mu as base fertilizer before tomato planting, and apply 200 kg / mu as top dressing before tomato flower bud differentiation, during fruit enlargement, and during the peak fruiting stage.

[0146] A control group (7) was set up, which applied the fermented organic fertilizer made from potato residue prepared in Example 3. 300 kg / mu was applied as a base fertilizer before wheat planting, and 150 kg / mu was applied as top dressing during the jointing and grain-filling stages, respectively.

[0147] Control group 8: The potato residue fermented organic fertilizer prepared in Example 3 was applied. 350 kg / mu was applied as base fertilizer before tomato planting, and 200 kg / mu was applied as top dressing before tomato flower bud differentiation, during fruit enlargement, and during the peak fruiting period.

[0148] Except for the different fertilizer application, all other growth management methods were the same for each experimental group. After the wheat and tomato were harvested, the yields were counted, and the results are shown in Tables 4 and 5.

[0149] Table 4. Wheat Yield Statistics

[0150] Group Yield kg / mu experimental group 816.4 Control group 5 769.8 Control group 6 784.5 Control group 7 751.6

[0151] Table 5. Tomato Yield Statistics

[0152]

[0153] As shown in Tables 4 and 5, the fermented compound fertilizer provided by this invention can significantly increase the yield of wheat and tomatoes, with the yields of wheat and tomatoes being significantly better than those of other control groups. From the data of control groups 5 and 6, and combined with the data obtained from Experimental Examples 1 and 2, it can be seen that omitting the addition of some components not only affects the fertilizer's efficacy in preventing plant diseases but also its growth-promoting effect.

[0154] The data from control groups 7 and 8 show that the addition of the herbal compound preparation has the most significant impact on fertilizer efficacy. The data from combined experiments 1 and 2 also demonstrate that the herbal compound preparation provided by this invention has a dual function of preventing and controlling plant diseases and promoting growth. Furthermore, the optimal growth-promoting effect can only be achieved when the herbal compound preparation and fermented potato residue organic fertilizer are used together.

[0155] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A potato dreg fermented compound fertilizer with plant disease control efficacy, characterized in that, Comprise: Potato residue fermented organic fertilizer and traditional Chinese medicine compound preparation, mass ratio is 90~110:11~17; The traditional Chinese medicine compound preparation comprises the following components in mass fraction: 40~50 parts of Huangqi, 20~30 parts of Qianhu, 20~30 parts of Kuangliangpi, 15~20 parts of Chishao, 15~20 parts of Ciqi, 15~20 parts of Chuanxinlian, 10~15 parts of Chongpulian, 10~15 parts of Kuqian, 5~10 parts of Cangzhu, and 4~6 parts of Jiguanhua; The preparation method of the traditional Chinese medicine compound preparation is: (1) Huangqi, Qianhu, Kuangliangpi, Chishao, Ciqi, Chuanxinlian, Chongpulian, Kuqian, Cangzhu and Jiguanhua are mixed and crushed to obtain material 1; (2) The material 1 is mixed with water in a mass ratio of 1:5~7, soaked and then decocted, and the filtrate is the traditional Chinese medicine compound preparation; The potato residue fermented organic fertilizer comprises the following components in mass fraction: 150~200 parts of potato residue, 10~20 parts of bran, 4~6 parts of soybean meal, 4~6 parts of corn meal, 10~20 parts of furfural residue, 1~2 parts of fermentation agent, and 1~2 parts of compound microbial agent; The fermentation agent comprises Bacillus subtilis, Lactobacillus delbrueckii, Saccharomyces carnicolor, Trichoderma harzianum and Trichoderma viride, and the compound microbial agent comprises Bacillus cereus, Bacillus alvei, Bacillus lactis and Pseudomonas alternanata; The volume ratio of Bacillus subtilis, Lactobacillus delbrueckii, Saccharomyces carnicolor, Trichoderma harzianum and Trichoderma viride in the fermentation agent is 20~26:18~24:15~19:7~13:4~6, and the volume ratio of Bacillus cereus, Bacillus alvei, Bacillus lactis and Pseudomonas alternanata in the compound microbial agent is 12~16:10~14:6~10:5~9; The preparation method of the potato residue fermented organic fertilizer comprises the following steps: (a) The potato residue, bran, soybean meal, corn meal, furfural residue and fermentation agent are mixed, and composting is carried out after adjusting the water content; (b) The composted material obtained in step (a) is mixed with the compound microbial agent for fermentation, and then aged to obtain the potato residue fermented organic fertilizer.

2. The compound fertilizer according to claim 1, characterized in that, In step (1), the crushed material is sieved through a 40~60 mesh sieve, and the undersize material is the material 1; in step (2), the soaking time is 3~5 h, and the decocting time is 2~3 h.

3. The compound fertilizer according to claim 1, characterized in that, The bacterial content of Bacillus subtilis, Lactobacillus delbrueckii, Saccharomyces carnicolor, Trichoderma harzianum and Trichoderma viride in the fermentation agent is 2~4 billion / mL, and the bacterial content of Bacillus cereus, Bacillus alvei, Bacillus lactis and Pseudomonas alternanata in the compound microbial agent is 3~5 billion / mL.

4. The compound fertilizer according to claim 1, characterized in that, In step (a), the water content is adjusted to 60~65%, and the composting time is 15~20 d, and the compost is turned over once every 4~6 d.

5. The compound fertilizer according to claim 1, characterized in that, In step (b), the fermentation time is 7~10 d, and the aging time is 20~30 d.

6. The potato dreg fermented compound fertilizer with plant disease control efficacy according to any one of claims 1-5 for use in the control of plant diseases, characterized in that, The plant diseases are wheat root rot, wheat sharp eyespot, tomato phytophthora root rot or tomato early blight.

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