Water-soluble fertilizer for promoting growth and preventing diseases of watermelons and preparation method of water-soluble fertilizer

Abstract

The invention relates to the technical field of water-soluble fertilizers, and particularly discloses a water-soluble fertilizer for promoting growth and preventing diseases of small watermelons and a preparation method of the water-soluble fertilizer. Comprising the following raw materials in parts by weight: urea, ammonium nitrate, monoammonium phosphate, diammonium phosphate, potassium nitrate, potassium sulfate, calcium chloride, magnesium sulfate, chelated iron, humic acid, amino acid, sugar alcohol calcium, calcium ammonium nitrate, fulvic acid, algal polysaccharides, mannitol, chitin, zhongshengmycin, kasugamycin, ethylicin, a compound microbial agent, photosynthetic bacteria, a wetting agent and a filler. The water-soluble fertilizer is prepared from nitrogen, phosphorus and potassium elements, organic substances and microbial strains and can be applied to the small watermelons in a composite mode, the small watermelons can fully absorb nutrient substances through the action of multiple substances, the purpose of promoting growth of the small watermelons is achieved, and the yield of the small watermelons is increased. And bacterial diseases and fungal diseases of the watermelons can be effectively prevented through microbial strains.

Description

Technical Field

[0001] The present invention relates to the technical field of water-soluble fertilizers, and particularly to a water-soluble fertilizer for promoting the growth and preventing diseases of watermelons and melons and a preparation method thereof. Background Art

[0002] At present, watermelons and melons belong to a variety of watermelons, with the shape of watermelons and the size of melons, and are also called "miniature watermelons". During the planting process of watermelons and melons, fertilization is required to improve their quality. Generally, the water-soluble fertilizers for topdressing are divided into amino acid type, humic acid type and trace element type. The water-soluble topdressing fertilizers cannot prevent soil-borne diseases and cannot effectively promote the growth of crops.

[0003] The prior art CN109627093A provides a preparation method and application of a water-soluble topdressing fertilizer for preventing soil-borne diseases and promoting the growth of crops. By adding diammonium phosphate, potassium sulfate, straw, animal manure, bentonite, urea, charcoal ash, seafood shells, indolebutyric acid, natural brassinolide, swelling agent, chitosan oligosaccharide, lignin, bamboo vinegar liquid and glucose to the water-soluble topdressing fertilizer, it can provide the nutrients required for crop growth and has a good fertilizer effect. By adding magnesium sulfate, boric acid and ferrous sulfate to the water-soluble topdressing fertilizer, boron, iron, magnesium, etc. all have the function of nutritional adjustment and disease prevention, and can kill weeds, germs, insects, etc. in the soil, and can effectively prevent soil-borne diseases.

[0004] However, in the prior art, the water-soluble topdressing fertilizer has a weak ability to improve the anti-fungal and anti-bacterial abilities of watermelons and melons, resulting in easy fungal and bacterial infections during the planting process of watermelons and melons, affecting the fruit quality of watermelons and melons. Summary of the Invention

[0005] The purpose of the present invention is to provide a water-soluble fertilizer for promoting the growth and preventing diseases of watermelons and melons and a preparation method thereof, aiming to solve the technical problem that the water-soluble topdressing fertilizer in the prior art has a weak ability to improve the anti-fungal and anti-bacterial abilities of watermelons and melons, resulting in easy fungal and bacterial infections during the planting process of watermelons and melons, affecting the fruit quality of watermelons and melons.

[0006] To achieve the above purpose, a water-soluble fertilizer for promoting the growth and preventing diseases of watermelons and melons adopted by the present invention includes the following raw materials in parts by weight:

[0007] 10-15 parts of urea, 10-15 parts of ammonium nitrate, 8-10 parts of monoammonium phosphate, 8-10 parts of diammonium phosphate, 10-15 parts of potassium nitrate, 10-15 parts of potassium sulfate, 3-5 parts of calcium chloride, 2-3 parts of magnesium sulfate, 0.5-1.5 parts of chelated iron, 3-5 parts of humic acid, 2-3 parts of amino acid, 2-3 parts of sugar alcohol calcium, 2-3 parts of calcium ammonium nitrate, 1-2 parts of fulvic acid, 1-2 parts of seaweed polysaccharide, 0.5-1 part of mannitol, 1-2 parts of chitosan, 0.3-0.5 parts of sinomenine, 0.3-0.5 parts of kasugamycin, 0.3-0.5 parts of ethionine, 0.5-1.5 parts of composite microbial agent, 0.5-1.5 parts of photosynthetic bacteria, 5-10 parts of wetting agent and 10-15 parts of filler.

[0008] The amino acids include any one or more combinations of glycine, alanine, glutamic acid, threonine, methionine, phenylalanine, lysine, isoleucine and taurine.

[0009] The composite microbial agent comprises any one or more combinations of Bacillus amyloliquefaciens, Paenibacillus gelatinosa, Bacillus laterosporus, Bacillus subtilis, Bacillus licheniformis and Streptomyces tenuifolius.

[0010] Among them, the viable bacterial count of the composite microbial agent reaches 1×10^10 CFU / mL.

[0011] Wherein, the wetting agent comprises any one or more combinations of saponin powder, lakai powder BX, silkworm feces and soapberry powder.

[0012] Wherein, the filler includes any one or more combinations of kaolin, attapulgite, white carbon black and talc.

[0013] The present invention also provides a method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon. The method for preparing the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon as described above comprises the following steps:

[0014] According to the proportion, urea, ammonium nitrate, monoammonium phosphate, diammonium phosphate, potassium nitrate, potassium sulfate, calcium chloride, magnesium sulfate, chelated iron, humic acid, amino acid, calcium sugar alcohol, calcium ammonium nitrate, fulvic acid, seaweed polysaccharide, mannitol, chitin, wetting agent and filler are respectively loaded and mixed evenly;

[0015] Add the uniformly mixed raw materials into a ball mill for grinding and sieving to obtain a synthetic compound A;

[0016] Adding zhongshengmycin, kasugamycin and ethionine to the above-mentioned composition A according to a ratio, and uniformly stirring and mixing, to obtain a composition B;

[0017] Add the compound microbial inoculum and photosynthetic bacteria to the above-mentioned composition B according to the ratio, and uniformly mix them to obtain composition C;

[0018] Dry composition C until the water content of composition C reaches 1% - 5%, thereby completing the processing of the water-soluble fertilizer for promoting the growth and preventing diseases of watermelons and melons.

[0019] Among them, in the step of adding the uniformly mixed raw materials into the ball mill for grinding and sieving, the raw materials are ground in the ball mill at a rotation speed of 500 - 700 r / min for 20 - 30 min and passed through a 60-mesh sieve.

[0020] The invention discloses a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon and a preparation method thereof. The nitrogen fertilizers urea and ammonium nitrate have high nitrogen content and good water solubility, and can be quickly absorbed and utilized by plants. The phosphate fertilizers monoammonium phosphate and diammonium phosphate can provide phosphorus and ammonium nitrogen after being dissolved in water. The potash fertilizers potassium nitrate and potassium sulfate contain potassium and nitrate nitrogen, have strong water solubility, and can be quickly absorbed by plants. Calcium chloride can promote the development of muskmelon roots, enhance root vitality, improve the plant's ability to absorb nutrients and water, and enhance the plant's ability to resist lodging, drought, and cold. Magnesium sulfate can promote the photosynthesis of muskmelon leaves, improve the photosynthetic efficiency of the leaves, thereby increasing the accumulation of organic matter in the plant, which is beneficial to the development and quality of the fruit. It can improve the quality of watermelon and provide more nutrients. Chelated iron has good stability and bioavailability, which can effectively prevent and correct the iron deficiency symptoms of watermelon, keep the leaves dark green, and improve the efficiency of photosynthesis. Humic acid increases the soil aggregate structure, improves the soil's water and fertilizer retention capacity, and enhances the soil's air permeability, creating a good soil environment for the growth of watermelon roots. Amino acids can be directly absorbed and utilized by the roots and leaves of watermelon, providing a fast and effective nitrogen and carbon source for the growth of plants, meeting the nutritional needs of plants at different growth stages. Calcium sulphate and calcium ammonium nitrate can provide sufficient calcium for watermelon, which helps to improve the quality of the fruit and enhance the stress resistance of the plant. Fulvic acid can stimulate watermelon growth. It can promote the germination of melon seeds and the growth of roots, increase the number and length of roots, and improve the absorption capacity of roots, thereby promoting the growth and development of plants and making plants grow stronger. Seaweed polysaccharides improve the survival ability and adaptability of plants under adverse environmental conditions, reduce the incidence and degree of damage of diseases and insect pests, mannitol promotes plant metabolic activities, and chitin activates the defense enzyme system in plants and produces antibacterial substances, thereby improving the resistance of plants to pathogens and pests. Zhongshengmycin has a strong inhibitory effect on the spore formation and germination of watermelon wilt bacteria, can kill pathogen spores, and reduce the occurrence of diseases. Kasugamycin can be used to prevent and treat bacterial fruit spot of watermelon, which can inhibit the growth of pathogens and reduce disease infection. Ethyl allicin can effectively inhibit the growth and spread of pathogens. The composite microbial agent increases the number of beneficial microorganisms in the soil, improves soil structure and fertility, and creates a good growth environment for the roots of cantaloupe. Photosynthetic bacteria convert light energy into chemical energy through photosynthesis, fix carbon dioxide to produce organic matter, and provide a source of nutrition for the growth of cantaloupe and promote plant growth and development. The above water-soluble fertilizers are made from nitrogen, phosphorus, potassium elements, organic matter and microbial strains. They can be used to fertilize cantaloupe in a composite manner, and through the action of multiple substances, cantaloupe can be fully absorbed. Nutrients are achieved to promote the growth of cantaloupe, and microbial strains can effectively prevent bacterial and fungal diseases in cantaloupe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 The present invention is a flow chart of the steps of Example 1 of the method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon.

[0023] Figure 2 This is a flow chart of the steps of Example 2 of the method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon according to the present invention.

[0024] Figure 3 This is a flow chart of the steps of Example 3 of the method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon according to the present invention. DETAILED DESCRIPTION

[0025] The present invention provides a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon, comprising the following raw materials in parts by weight:

[0026] 10-15 parts of urea, 10-15 parts of ammonium nitrate, 8-10 parts of monoammonium phosphate, 8-10 parts of diammonium phosphate, 10-15 parts of potassium nitrate, 10-15 parts of potassium sulfate, 3-5 parts of calcium chloride, 2-3 parts of magnesium sulfate, 0.5-1.5 parts of chelated iron, 3-5 parts of humic acid, 2-3 parts of amino acid, 2-3 parts of sugar alcohol calcium, 2-3 parts of calcium ammonium nitrate, 1-2 parts of fulvic acid, 1-2 parts of seaweed polysaccharide, 0.5-1 part of mannitol, 1-2 parts of chitosan, 0.3-0.5 parts of sinomenine, 0.3-0.5 parts of kasugamycin, 0.3-0.5 parts of ethionine, 0.5-1.5 parts of composite microbial agent, 0.5-1.5 parts of photosynthetic bacteria, 5-10 parts of wetting agent and 10-15 parts of filler.

[0027] In the present embodiment, the nitrogen fertilizers urea and ammonium nitrate have a high nitrogen content and good water solubility, and can be quickly absorbed and utilized by plants. The phosphate fertilizers monoammonium phosphate and diammonium phosphate can provide phosphorus and ammonium nitrogen after dissolving in water. The potash fertilizers potassium nitrate and potassium sulfate contain potassium and nitrate nitrogen, are highly soluble in water, and can be quickly absorbed by plants. Calcium chloride can promote the development of the root system of cantaloupe, enhance root vitality, and improve the plant's ability to absorb nutrients and water, and can also enhance the plant's ability to resist lodging, drought, and cold. Magnesium sulfate can promote the photosynthesis of cantaloupe leaves and improve the photosynthetic efficiency of the leaves, thereby increasing the accumulation of organic matter in the plant and providing more nutrients for the development and quality improvement of the fruit. Chelated iron has good stability and bioavailability, can effectively prevent and correct the iron deficiency symptoms of cantaloupe, keep the leaves dark green, and improve the photosynthesis efficiency. Humic acid increases the soil's granular structure, improves the soil's ability to retain water and fertilizer, and enhances the soil's air permeability, creating a good soil environment for the growth of the cantaloupe root system. Calcium sulphate and calcium ammonium nitrate can provide Melon provides sufficient calcium, which helps to improve the quality of the fruit and enhance the stress resistance of the plant. Fulvic acid can stimulate the germination of watermelon seeds and the growth of roots, increase the number and length of roots, and improve the absorption capacity of roots, thereby promoting the growth and development of plants and making plants grow stronger. Seaweed polysaccharides improve the survival and adaptability of plants under harsh environmental conditions, reduce the incidence and degree of damage of diseases and insect pests, mannitol promotes plant metabolic activities, and chitin activates the defense enzyme system in plants and produces antibacterial substances, thereby improving the resistance of plants to pathogens and pests. Zhongshengmycin has a strong inhibitory effect on the spore formation and germination of watermelon wilt bacteria, can kill pathogen spores, and reduce the occurrence of diseases. Kasugamycin can be used to prevent and control bacterial fruit spot of watermelon, can inhibit the growth of pathogens, and reduce disease infection. Ethylalicin can effectively inhibit the growth and spread of pathogens. Photosynthetic bacteria convert light energy into chemical energy through photosynthesis, fix carbon dioxide to produce organic matter, provide a nutrient source for the growth of watermelon, and promote plant growth and development.

[0028] Furthermore, the amino acids include any one or more combinations of glycine, alanine, glutamic acid, threonine, methionine, phenylalanine, lysine, isoleucine and taurine.

[0029] In this embodiment, amino acids can be directly absorbed and utilized by the roots and leaves of the watermelon, providing a fast and effective nitrogen and carbon source for the growth of the plant, thereby meeting the nutritional needs of the plant at different growth stages.

[0030] Furthermore, the composite microbial agent includes any one or more combinations of Bacillus amyloliquefaciens, Paenibacillus gelatinosa, Bacillus laterosporus, Bacillus subtilis, Bacillus licheniformis and Streptomyces tenuifolius.

[0031] In this embodiment, the composite microbial agent increases the number of beneficial microorganisms in the soil, improves soil structure and fertility, and creates a good growth environment for the roots of the muskmelon.

[0032] Furthermore, the viable bacterial count of the composite microbial agent reaches 1×10^10 CFU / mL.

[0033] In this embodiment, after being applied to the soil, a large number of beneficial microorganisms multiply rapidly, improving the soil microbial community structure, inhibiting the growth of harmful microorganisms, reducing the occurrence of soil-borne diseases, and enhancing soil fertility. The activity of beneficial microorganisms promotes the aggregation of soil particles to form a good aggregate structure, enhances soil permeability and water and fertilizer retention capabilities, and creates a more suitable growth environment for the watermelon root system.

[0034] Furthermore, the wetting agent includes any one or more combinations of saponin powder, lakai powder BX, silkworm feces and soapberry powder.

[0035] In this embodiment, the suspension rate of the fertilizer is improved, so that the solid particles in the fertilizer are better suspended in the liquid, the particles are prevented from settling and agglomerating, the stability of the fertilizer during storage and use is ensured, and the fertilization operation is facilitated.

[0036] Furthermore, the filler includes any one or more combinations of kaolin, attapulgite, white carbon black and talc.

[0037] In this embodiment, the fine particles of kaolin can fill the soil pores, enhance the compactness and water retention capacity of the soil, and promote the formation of soil aggregate structure, which is beneficial to root development and nutrient absorption. The addition of fillers can effectively avoid soil compaction and enhance the fluidity of fertilizers, thereby allowing the fertilizers to be safely stored under humid conditions.

[0038] The present invention also provides a method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon. The method for preparing the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon as described above comprises the following steps:

[0039] S1: according to the proportion, urea, ammonium nitrate, monoammonium phosphate, diammonium phosphate, potassium nitrate, potassium sulfate, calcium chloride, magnesium sulfate, chelated iron, humic acid, amino acid, calcium sugar alcohol, calcium ammonium nitrate, fulvic acid, seaweed polysaccharide, mannitol, chitosan, wetting agent and filler are respectively loaded and mixed evenly;

[0040] S2: adding the uniformly mixed raw materials into a ball mill for grinding and sieving to obtain a synthetic material A;

[0041] S3: adding zhongshengmycin, kasugamycin and ethionine to the above-mentioned composition A according to the proportion, and uniformly stirring and mixing, to obtain composition B;

[0042] S4: adding the composite microbial agent and the photosynthetic bacteria to the above-mentioned composition B according to a ratio, and uniformly mixing to obtain a composition C;

[0043] S5: Drying the composite C until the water content of the composite C reaches 1% to 5%, thereby completing the processing of the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon.

[0044] Furthermore, in the step of adding the uniformly mixed raw materials into a ball mill for grinding and sieving, the raw materials are ground in the ball mill at a rotation speed of 500 to 700 r / min for 20 to 30 minutes, and passed through a 60-mesh sieve.

[0045] In this embodiment, grinding and screening the raw materials can make the particle size of the powder uniform, effectively remove large particle impurities and insoluble substances in the raw materials, make the water-soluble fertilizer powder finer and purer, improve the purity and quality of the product, and avoid impurities affecting the solubility and absorption effect of the fertilizer. The small-particle powder dissolves faster in water and can quickly disperse and release nutrients, so that the plant roots can absorb and utilize the nutrients in the fertilizer more quickly, meet the timely nutrient needs of the plants at different growth stages, ensure that the powder is fully dissolved in the water, no precipitation or agglomeration occurs, so that the nutrients can be completely released and absorbed by the plants, improve the fertilizer utilization rate, and reduce nutrient waste and soil pollution.

[0046] See also Figure 1 , Example 1,

[0047] The present invention also provides a method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon. The method for preparing the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon as described above comprises the following steps:

[0048] S1: according to the proportion, 10 parts of urea, 10 parts of ammonium nitrate, 8 parts of monoammonium phosphate, 8 parts of diammonium phosphate, 10 parts of potassium nitrate, 10 parts of potassium sulfate, 3 parts of calcium chloride, 2 parts of magnesium sulfate, 0.5 parts of chelated iron, 3 parts of humic acid, 2 parts of amino acid, 2 parts of calcium sugar alcohol, 2 parts of calcium ammonium nitrate, 1 part of fulvic acid, 1 part of seaweed polysaccharide, 0.5 parts of mannitol, 1 part of chitin, 5 parts of wetting agent and 10 parts of filler are respectively loaded and mixed evenly;

[0049] S2: adding the uniformly mixed raw materials into a ball mill for grinding and sieving to obtain a synthetic material A;

[0050] S3: adding 0.3 parts of zhongshengmycin, 0.3 parts of kasugamycin and 0.3 parts of ethionine to the above-mentioned composition A according to the proportion, and stirring and mixing them uniformly to obtain a composition B;

[0051] S4: adding 0.5 parts of the composite microbial agent and 0.5 parts of the photosynthetic bacteria to the above-mentioned composition B according to the proportion, and uniformly mixing to obtain composition C;

[0052] S5: Drying the composite C until the water content of the composite C reaches 1% to 5%, thereby completing the processing of the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon.

[0053] In this embodiment, the nitrogen fertilizers urea and ammonium nitrate have a high nitrogen content and good water solubility, and can be quickly absorbed and utilized by plants. The phosphate fertilizers monoammonium phosphate and diammonium phosphate can provide phosphorus and ammonium nitrogen after dissolving in water. The potash fertilizers potassium nitrate and potassium sulfate contain potassium and nitrate nitrogen, are highly water-soluble, and can be quickly absorbed by plants. Calcium chloride can promote the development of the watermelon root system, enhance the root vitality, improve the plant's ability to absorb nutrients and water, and enhance the plant's resistance to lodging, drought, and cold. Magnesium sulfate can promote the photosynthesis of watermelon leaves and improve the photosynthetic efficiency of the leaves, thereby increasing the plant's Organic substances accumulate, providing more nutrients for the development and quality improvement of the fruit. Chelated iron has good stability and bioavailability, can effectively prevent and correct iron deficiency symptoms of cantaloupe, keep the leaves dark green, and improve photosynthesis efficiency. Humic acid increases the soil aggregate structure, improves the soil's water and fertilizer retention capacity, and enhances the soil's air permeability, creating a good soil environment for the growth of cantaloupe roots. Amino acids can be directly absorbed and utilized by the roots and leaves of cantaloupe, providing a fast and effective nitrogen and carbon source for the growth of the plant, meeting the nutritional needs of plants at different growth stages. Sugar alcohol calcium and Calcium ammonium nitrate can provide sufficient calcium for cantaloupe, which helps to improve the quality of the fruit and enhance the stress resistance of the plant. Fulvic acid can stimulate the germination of cantaloupe seeds and the growth of the root system, increase the number and length of the root system, and improve the absorption capacity of the root system, thereby promoting the growth and development of the plant and making the plant grow stronger. Seaweed polysaccharides can improve the survival and adaptability of the plant in harsh environmental conditions, reduce the incidence and degree of damage of diseases and pests, mannitol promotes the metabolic activity of plants, and chitin activates the defense enzyme system in the plant body and produces antibacterial substances, thereby improving the plant's resistance to pathogens and pests. Resistance, zhongshengmycin has a strong inhibitory effect on the spore formation and germination of watermelon wilt pathogen, can kill the pathogen spores and reduce the occurrence of the disease, kasugamycin can be used to prevent and control watermelon bacterial fruit spot, can inhibit the growth of pathogens and reduce disease infection, ethyl allicin can effectively inhibit the growth and spread of pathogens, and the composite microbial agent increases the number of beneficial microorganisms in the soil, improves soil structure and fertility, and creates a good growth environment for the roots of watermelons. Photosynthetic bacteria convert light energy into chemical energy through photosynthesis, fix carbon dioxide to produce organic matter, provide a nutrient source for the growth of watermelons, and promote plant growth and development.

[0054] See also Figure 2 , Example 2,

[0055] The present invention also provides a method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon. The method for preparing the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon as described above comprises the following steps:

[0056] S1: according to the proportion, 15 parts of urea, 15 parts of ammonium nitrate, 10 parts of monoammonium phosphate, 10 parts of diammonium phosphate, 15 parts of potassium nitrate, 15 parts of potassium sulfate, 5 parts of calcium chloride, 3 parts of magnesium sulfate, 1.5 parts of chelated iron, 5 parts of humic acid, 3 parts of amino acid, 3 parts of calcium sugar alcohol, 3 parts of calcium ammonium nitrate, 2 parts of fulvic acid, 2 parts of seaweed polysaccharide, 1 part of mannitol, 2 parts of chitin, 10 parts of wetting agent and 15 parts of filler are respectively loaded and mixed evenly;

[0057] S2: adding the uniformly mixed raw materials into a ball mill for grinding and sieving to obtain a synthetic material A;

[0058] S3: adding 0.5 parts of zhongshengmycin, 0.5 parts of kasugamycin and 0.5 parts of ethionine to the above-mentioned composition A according to the proportion, and stirring and mixing them uniformly to obtain a composition B;

[0059] S4: adding 1.5 parts of the composite microbial agent and 1.5 parts of the photosynthetic bacteria to the above-mentioned composition B according to the proportion, and uniformly mixing to obtain the composition C;

[0060] S5: Drying the composite C until the water content of the composite C reaches 1% to 5%, thereby completing the processing of the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon.

[0061] In this embodiment, the nitrogen fertilizers urea and ammonium nitrate have a high nitrogen content and good water solubility, and can be quickly absorbed and utilized by plants. The phosphate fertilizers monoammonium phosphate and diammonium phosphate can provide phosphorus and ammonium nitrogen after dissolving in water. The potash fertilizers potassium nitrate and potassium sulfate contain potassium and nitrate nitrogen, are highly water-soluble, and can be quickly absorbed by plants. Calcium chloride can promote the development of the watermelon root system, enhance the root vitality, improve the plant's ability to absorb nutrients and water, and enhance the plant's resistance to lodging, drought, and cold. Magnesium sulfate can promote the photosynthesis of watermelon leaves and improve the photosynthetic efficiency of the leaves, thereby increasing the plant's Organic substances accumulate, providing more nutrients for the development and quality improvement of the fruit. Chelated iron has good stability and bioavailability, can effectively prevent and correct iron deficiency symptoms of cantaloupe, keep the leaves dark green, and improve photosynthesis efficiency. Humic acid increases the soil aggregate structure, improves the soil's water and fertilizer retention capacity, and enhances the soil's air permeability, creating a good soil environment for the growth of cantaloupe roots. Amino acids can be directly absorbed and utilized by the roots and leaves of cantaloupe, providing a fast and effective nitrogen and carbon source for the growth of the plant, meeting the nutritional needs of plants at different growth stages. Sugar alcohol calcium and Calcium ammonium nitrate can provide sufficient calcium for cantaloupe, which helps to improve the quality of the fruit and enhance the stress resistance of the plant. Fulvic acid can stimulate the germination of cantaloupe seeds and the growth of the root system, increase the number and length of the root system, and improve the absorption capacity of the root system, thereby promoting the growth and development of the plant and making the plant grow stronger. Seaweed polysaccharides can improve the survival and adaptability of the plant in harsh environmental conditions, reduce the incidence and degree of damage of diseases and pests, mannitol promotes the metabolic activity of plants, and chitin activates the defense enzyme system in the plant body and produces antibacterial substances, thereby improving the plant's resistance to pathogens and pests. Resistance, zhongshengmycin has a strong inhibitory effect on the spore formation and germination of watermelon wilt pathogen, can kill the pathogen spores and reduce the occurrence of the disease, kasugamycin can be used to prevent and control watermelon bacterial fruit spot, can inhibit the growth of pathogens and reduce disease infection, ethyl allicin can effectively inhibit the growth and spread of pathogens, and the composite microbial agent increases the number of beneficial microorganisms in the soil, improves soil structure and fertility, and creates a good growth environment for the roots of watermelons. Photosynthetic bacteria convert light energy into chemical energy through photosynthesis, fix carbon dioxide to produce organic matter, provide a nutrient source for the growth of watermelons, and promote plant growth and development.

[0062] See also Figure 3 , Example 3,

[0063] The present invention also provides a method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon. The method for preparing the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon as described above comprises the following steps:

[0064] S1: according to the proportion, 12 parts of urea, 12 parts of ammonium nitrate, 9 parts of monoammonium phosphate, 9 parts of diammonium phosphate, 13 parts of potassium nitrate, 13 parts of potassium sulfate, 4 parts of calcium chloride, 2.5 parts of magnesium sulfate, 1 part of chelated iron, 4 parts of humic acid, 2.5 parts of amino acids, 2.5 parts of sugar alcohol calcium, 2.5 parts of calcium ammonium nitrate, 1.5 parts of fulvic acid, 1.5 parts of seaweed polysaccharide, 0.75 parts of mannitol, 1.5 parts of chitosan, 7 parts of wetting agent and 13 parts of filler are respectively loaded and mixed evenly;

[0065] S2: adding the uniformly mixed raw materials into a ball mill for grinding and sieving to obtain a synthetic material A;

[0066] S3: adding 0.4 parts of zhongshengmycin, 0.4 parts of kasugamycin and 0.4 parts of ethionine to the above-mentioned composition A according to the proportion, and stirring and mixing them uniformly to obtain a composition B;

[0067] S4: adding 0.75 parts of the composite microbial agent and 0.75 parts of the photosynthetic bacteria to the above-mentioned composition B according to the ratio, and uniformly mixing to obtain composition C;

[0068] S5: Drying the composite C until the water content of the composite C reaches 1% to 5%, thereby completing the processing of the water-soluble fertilizer for promoting growth and preventing diseases of muskmelon.

[0069] In this embodiment, the nitrogen fertilizers urea and ammonium nitrate have a high nitrogen content and good water solubility, and can be quickly absorbed and utilized by plants. The phosphate fertilizers monoammonium phosphate and diammonium phosphate can provide phosphorus and ammonium nitrogen after dissolving in water. The potash fertilizers potassium nitrate and potassium sulfate contain potassium and nitrate nitrogen, are highly water-soluble, and can be quickly absorbed by plants. Calcium chloride can promote the development of the watermelon root system, enhance the root vitality, improve the plant's ability to absorb nutrients and water, and enhance the plant's resistance to lodging, drought, and cold. Magnesium sulfate can promote the photosynthesis of watermelon leaves and improve the photosynthetic efficiency of the leaves, thereby increasing the plant's Organic substances accumulate, providing more nutrients for the development and quality improvement of the fruit. Chelated iron has good stability and bioavailability, can effectively prevent and correct iron deficiency symptoms of cantaloupe, keep the leaves dark green, and improve photosynthesis efficiency. Humic acid increases the soil aggregate structure, improves the soil's water and fertilizer retention capacity, and enhances the soil's air permeability, creating a good soil environment for the growth of cantaloupe roots. Amino acids can be directly absorbed and utilized by the roots and leaves of cantaloupe, providing a fast and effective nitrogen and carbon source for the growth of the plant, meeting the nutritional needs of plants at different growth stages. Sugar alcohol calcium and Calcium ammonium nitrate can provide sufficient calcium for cantaloupe, which helps to improve the quality of the fruit and enhance the stress resistance of the plant. Fulvic acid can stimulate the germination of cantaloupe seeds and the growth of the root system, increase the number and length of the root system, and improve the absorption capacity of the root system, thereby promoting the growth and development of the plant and making the plant grow stronger. Seaweed polysaccharides can improve the survival and adaptability of the plant in harsh environmental conditions, reduce the incidence and degree of damage of diseases and pests, mannitol promotes the metabolic activity of plants, and chitin activates the defense enzyme system in the plant body and produces antibacterial substances, thereby improving the plant's resistance to pathogens and pests. Resistance, zhongshengmycin has a strong inhibitory effect on the spore formation and germination of watermelon wilt pathogen, can kill the pathogen spores and reduce the occurrence of the disease, kasugamycin can be used to prevent and control watermelon bacterial fruit spot, can inhibit the growth of pathogens and reduce disease infection, ethyl allicin can effectively inhibit the growth and spread of pathogens, and the composite microbial agent increases the number of beneficial microorganisms in the soil, improves soil structure and fertility, and creates a good growth environment for the roots of watermelons. Photosynthetic bacteria convert light energy into chemical energy through photosynthesis, fix carbon dioxide to produce organic matter, provide a nutrient source for the growth of watermelons, and promote plant growth and development.

[0070] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A water-soluble fertilizer for promoting the growth and preventing diseases of watermelons and melons, characterized in that, The invention comprises the following raw materials in parts by weight: 10-15 parts of urea, 10-15 parts of ammonium nitrate, 8-10 parts of monoammonium phosphate, 8-10 parts of diammonium phosphate, 10-15 parts of potassium nitrate, 10-15 parts of potassium sulfate, 3-5 parts of calcium chloride, 2-3 parts of magnesium sulfate, 0.5-1.5 parts of chelated iron, 3-5 parts of humic acid, 2-3 parts of amino acid, 2-3 parts of sugar alcohol calcium, 2-3 parts of calcium ammonium nitrate, 1-2 parts of fulvic acid, 1-2 parts of seaweed polysaccharide, 0.5-1 part of mannitol, 1-2 parts of chitosan, 0.3-0.5 parts of sinomenine, 0.3-0.5 parts of kasugamycin, 0.3-0.5 parts of ethionine, 0.5-1.5 parts of composite microbial agent, 0.5-1.5 parts of photosynthetic bacteria, 5-10 parts of wetting agent and 10-15 parts of filler.

2. The water-soluble fertilizer for promoting growth and preventing diseases of muskmelon according to claim 1, characterized in that: The amino acids include any one or more combinations of glycine, alanine, glutamic acid, threonine, methionine, phenylalanine, lysine, isoleucine and taurine.

3. The water-soluble fertilizer for promoting growth and preventing diseases of muskmelon according to claim 1, characterized in that: The composite microbial agent comprises any one or more combinations of Bacillus amyloliquefaciens, Paenibacillus gelatinosa, Bacillus laterosporus, Bacillus subtilis, Bacillus licheniformis and Streptomyces tenuiflavos.

4. The water-soluble fertilizer for promoting growth and preventing diseases of muskmelon according to claim 3, characterized in that: The viable bacterial count of the composite microbial agent reaches 1×10^10 CFU / mL.

5. The water-soluble fertilizer for promoting growth and preventing diseases of muskmelon according to claim 1, characterized in that: The wetting agent includes any one or more combinations of saponin powder, lakai powder BX, silkworm excrement and soapberry powder.

6. The water-soluble fertilizer for promoting growth and preventing diseases of muskmelon according to claim 1, characterized in that: The filler comprises any one or more combinations of kaolin, attapulgite, white carbon black and talc.

7. A preparation method of a water-soluble fertilizer for promoting the growth and preventing diseases of watermelons and melons, for preparing the water-soluble fertilizer for promoting the growth and preventing diseases of watermelons and melons as described in claim 1, characterized in that, The steps include: According to the proportion, urea, ammonium nitrate, monoammonium phosphate, diammonium phosphate, potassium nitrate, potassium sulfate, calcium chloride, magnesium sulfate, chelated iron, humic acid, amino acid, calcium sugar alcohol, calcium ammonium nitrate, fulvic acid, seaweed polysaccharide, mannitol, chitin, wetting agent and filler are respectively loaded and mixed evenly; Add the uniformly mixed raw materials into a ball mill for grinding and sieving to obtain a synthetic compound A; Adding zhongshengmycin, kasugamycin and ethionine to the above-mentioned composition A according to a ratio, and uniformly stirring and mixing, to obtain a composition B; Adding the composite microbial agent and photosynthetic bacteria to the above-mentioned composition B according to a ratio, and uniformly mixing to obtain composition C; The composite C is dried until the water content of the composite C reaches 1% to 5%, thereby completing the processing of the water-soluble fertilizer for promoting growth and preventing diseases of the muskmelon.

8. The method for preparing a water-soluble fertilizer for promoting growth and preventing diseases of muskmelon according to claim 7, wherein in the step of adding the uniformly mixed raw materials to a ball mill for grinding and sieving, The raw materials are ground in a ball mill at a rotational speed of 500 - 700 r / min for 20 - 30 min and then passed through a 60-mesh sieve.

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