611results about "Leaf crop cultivation" patented technology

The invention discloses a method for improving an acidic clayey soil plough layer, which comprises the following steps of: 1, after autumn rice is harvested, draining water in a rice field, and carrying out conventional tillage, soil turning and leveling on the rice field for later use; 2, green manure planting is conducted in the suitable green manure sowing period from October to November; 3, in the full-bloom stage, green manure is smashed, turned, pressed and returned to the field, lime and organic fertilizer are spread, the rice field is deeply ploughed at a time, and the green manure, the lime and the organic fertilizer are deeply buried in soil of the rice field; 4, the rice field is irrigated and soaked in water for a period of time, and then rice is planted. The method can inhibit and stabilize acid, improve the buffer performance of the soil, effectively expand a deep ploughing layer, improve the physical structure of the soil and improve the utilization rate of rainfall resources by the soil, so that the purposes of minimal ploughing, high yield and farmland protection are achieved.

The present disclosure relates to a gas explosion type intelligent variable-rate fertilization scarifier for a tea garden. The gas explosion type intelligent variable-rate fertilization scarifier includes a walking mechanism, a fertilization-scarifying mechanism, a gas explosion mechanism, a solid fertilizer supply mechanism, and a water fertilizer supply mechanism. The fertilization-scarifying mechanism includes a transmission assembly, a detection assembly, and a fertilization-scarifying assembly. A first fertilizer conveying pipeline is fixedly connected between the solid fertilizer supply mechanism and the fertilization-scarifying assembly, and a second fertilizer conveying pipeline is fixedly connected between the water fertilizer supply mechanism and the fertilization-scarifying assembly. Each of the first fertilizer conveying pipeline and the second fertilizer conveying pipeline is provided with a solenoid valve. The walking mechanism, the gas explosion mechanism, the solid fertilizer supply mechanism, the water fertilizer supply mechanism, the fertilization-scarifying mechanism and the solenoid valves are all electrically connected to a same controller.

The invention relates to the technical field of microorganisms, and particularly discloses bacillus velezensis DSSR-2, a biocontrol microbial agent and application of the bacillus velezensis DSSR-2, the bacillus velezensis DSSR-2 is preserved in the China General Microbiological Culture Collection Center on July 8, 2024, the preservation number is CGMCC No.31207, and the bacillus velezensis DSSR-2 is classified and named as bacillus velezensis. The bacillus velezensis DSSR-2 provided by the invention has broad-spectrum antibacterial activity and can be used for inhibiting pathogenic bacteria of plant diseases, so that the plant diseases are prevented and treated, and meanwhile, the growth and development of plants are promoted.

The invention provides a coal gangue-based soil matrix as well as a preparation method and application thereof, and belongs to the technical field of ecological restoration. According to the invention, the coal gangue with continuous gradation is adopted, so that the coal gangue-based soil matrix has the particle size distribution of natural soil; urea is added to adjust the carbon-nitrogen ratio of the coal gangue and the biomass waste, and a microbial agent is added for pre-curing, so that the microbial activity is improved, complete decomposition of organic matters is promoted, and formation of water-stable aggregates is promoted; multi-layer root plants are planted together and inoculated with fungi, formation of water-stable aggregates is promoted through root interpenetration and a hypha network, meanwhile, the nutrient circulation efficiency is improved together with root exudates and microbial metabolism, and nutrient release is more balanced. Through multi-dimensional symbiotic regulation and control, the coal gangue-based soil matrix has particle size distribution of natural soil, nutrient balance, high water-stable aggregate content and organic matter content, and is more beneficial to ecological restoration.

The invention relates to the technical field of soil improvement, and discloses a method for promoting plant growth and improving soil based on fly ash. The method comprises the following steps: adding 5-50% by mass of fly ash into plant soil, selecting different plants as research objects, observing the growth conditions of the plants, and screening out the optimal adding proportion of the fly ash. Wherein the fly ash is spherical particles, and the particle size is 1-10 [mu] m. According to the method for promoting plant growth and improving soil based on fly ash, a proper amount of fly ash is added into soil to adjust the pH of acid soil and improve the physical and chemical properties and the structure of the soil, meanwhile, nutrient substances are provided for plants, growth of the plants is promoted, and resource utilization of waste is achieved.

The invention discloses a rapid evaluation method for heat resistance phenotypes of non-heading Chinese cabbages. The method comprises the following steps: step 1, performing standardized seedling culture under the conditions of day and night constant temperature of 22 DEG C / 18 DEG C, relative humidity of 60%, illumination for 16h / darkness for 8h and light intensity of 20000Lux; step 2, extreme high temperature stress treatment: the temperature is 49 + / -0.5 DEG C, the humidity is 60%-70%, the illumination intensity is 20000Lux, treatment is performed for 8 hours, and then culture is recovered; step 3, observing phenotypic indexes including survival rate S, leaf damage index D, plant height inhibition rate H and new leaf germination number N; 4, constructing a comprehensive evaluation model, and calculating a heat resistance index HI; 5, plant heat resistance phenotype rapid evaluation. According to the method, variety heat resistance accurate classification is achieved, professional instruments are not needed, the single cycle only needs 20 days, the supply pressure of non-heading Chinese cabbages in the high-temperature season is remarkably relieved, breeding standardization of stress-resistant varieties is promoted, and agricultural sustainable development is promoted.

The invention discloses a continuous cropping Chinese cabbage planting method based on a microbial agent and application, and belongs to the technical field of crop cultivation. According to the planting method, Chinese cabbage and garlic are intercropped according to the ratio of 1: 1, and a trichoderma harzianum agent is applied. Results show that the planting method can significantly increase the growth indexes such as the plant height, the root length, the leaf chlorophyll content and the soluble sugar content of the Chinese cabbage; the soluble protein content, the peroxidase activity, the superoxide dismutase activity and the malondialdehyde content of the Chinese cabbage leaves are obviously reduced. Meanwhile, the content of rapidly available phosphorus, rapidly available potassium, effective calcium and other substances in the soil can be increased; the activities of urease, catalase and alkaline phosphatase in the soil are also obviously improved. In addition, the number of fungi, bacteria and actinomycetes in the soil is also remarkably increased. Therefore, according to the planting method, the quality of continuous cropping soil can be improved, Chinese cabbage growth is promoted, and theoretical support is provided for healthy and sustainable development of the Chinese cabbage industry.

The present invention provides a breeding device and a breeding method for lettuce vegetables, belonging to the technical field of vegetable breeding. It includes a tray structure and a seedling raising structure placed on the tray structure; the tray structure includes a breeding tray, the bottom of the breeding tray is fixedly connected with a plurality of rows of evenly arranged breeding discs, the bottom of the breeding disc is fixedly connected with a first sleeve ring; the seedling raising structure includes a seedling raising tube connected to the first sleeve ring, and the middle position of the inner wall of the seedling raising tube is fixedly connected with a seedling cultivation structure. The present invention sets a seedling raising structure, and the seedling raising structure is used for raising seedlings of lettuce vegetables. The seed soaking structure, the soil storage structure, the rotating structure and the seedling cultivation structure can realize the unified management of the seed soaking, planting and seedling taking processes, simplify the process, realize automatic seed placement and soil covering after the seeds are soaked, and the seedling raising structure can save operation time, while reducing the space occupied by the equipment, and can be reused.

The invention discloses an endophytic fungus, which is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.41218. The endophytic fungus has the advantages that the endophytic fungus can be used for preparing a culture medium; the endophytic fungus strain PG-2 can increase the antioxidant enzyme activity of monocotyledons (high wheatgrass and triticale) and dicotyledons (green vegetables and calcium vegetables), promote the accumulation of permeability regulating substances and reduce the content of malondialdehyde in the body. The PG-2 is a drought-resistant strain which has oxidation resistance and drought resistance and can promote plant growth, and has huge development potential in agricultural production.

The invention relates to the technical field of biology, in particular to application of brassinolide in increasing the yield of lettuce latex. According to the invention, brassinolide is adopted as an active component and acts on lettuce plants, so that the yield of lettuce latex can be remarkably increased, and meanwhile, the contents of sucrose and isopentenyl pyrophosphate in lettuce are further remarkably increased. Compared with indoleacetic acid, the brassinolide provided by the invention is more suitable for improving the gum production performance of the plant lettuce, and the brassinolide and the indoleacetic acid are high in adaptability, so that a more excellent technical effect is obtained. In the use process, the use method of brassinolide is simple, the use amount is small, the function of remarkably improving the yield of lettuce latex, sucrose and isopentenyl pyrophosphate can be achieved by adopting brassinolide with low concentration, the cost is low, the effect is good, no new toxic or side effect is caused to the environment, and the brassinolide is suitable for application and popularization.

The invention discloses a cancerogenic enterobacter with potassium dissolving and growth promoting effects and application thereof, the cancerogenic enterobacter is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.30972. The strain can activate insoluble or insoluble potassium in soil to be absorbed and utilized by plants and promote crop growth. The enterobacter cancerogenic strain has stable flora number, can be effectively colonized in rhizosphere soil, has a rapidly available potassium content of 2.7 [mu] g / mL in a culture solution after 4 d of culture, has good potassium dissolving ability, can activate insoluble or insoluble potassium in soil, and improves potassium element conversion and absorption of crops. The enterobacter cancerogenic has a potassium dissolving effect, activates insoluble or indissolvable potassium, improves potassium element conversion and absorption of crops, and promotes plant growth and nutrient element absorption, so that the yield and quality of the crops are improved.

The invention belongs to the technical field of modern agricultural precise planting and plant nutrition regulation and control. The invention provides a method for precisely applying selenium to oilseed rape leaf surfaces based on dynamic regulation and control in a growth period, enriching selenium, reducing cadmium and increasing yield. A sodium selenite solution is sprayed to the leaf surfaces in the key growth period of oilseed rape. The method can effectively improve the selenium content of each part of the oilseed rape, reduce the cadmium content of grains and guarantee the yield, is suitable for safe production of oilseed rape replanting in medium-light cadmium-polluted rice fields in the south of China, can be widely applied to standardized production of selenium-rich oilseed rape in main winter oilseed rape producing areas in the Yangtze River basin, and has wide application prospects. The method has important practical significance in improving agricultural quality and efficiency, guaranteeing food safety and promoting income increase of farmers.

The invention relates to the technical field of fertilizer preparation, in particular to traditional Chinese medicine residue and mushroom dreg compound fermented fertilizer as well as a preparation method and application thereof. The preparation method of the traditional Chinese medicine residue and fungus residue compound fermented fertilizer comprises the following steps: (1) crushing pleurotus eryngii fungus residues, perilla leaf traditional Chinese medicine residues and cow dung, and mixing to obtain a material 1; and (2) adjusting the carbon nitrogen ratio and the water content of the material 1, and then fermenting. The fermented fertilizer provided by the invention can significantly influence the growth of potted tobacco, soil characteristics and microbial communities, and provides a theoretical basis and practical guidance for optimizing tobacco cultivation and fungus residue utilization.

The invention discloses a three-season cultivation method for intercropping fresh corn with green soy beans and crop rotation of vegetables, relates to the field of agricultural planting, and aims to solve the problems that an existing planting method cannot fully utilize the characteristics of the fresh corn to achieve the yield increasing target and the planting income of the fresh corn is limited. The method comprises the following steps: 1, land selection: selecting fertile, flat and well-drained soil for planting; 2, corn seed selection: selecting a suitable fresh corn variety according to climate conditions of a planting area; 3, planting two seasons of fresh corn in one year, and intercropping green soy beans while planting the fresh corn; fourthly, after the fresh corn is harvested, ploughing, soil preparation and ridging are conducted, and then winter vegetables are planted; 5, performing field management and pest control. According to the method, the growth characteristic that the fresh corn is short in growth cycle is fully utilized, two-season fresh corn can be planted in one year, the planting income of the fresh corn is increased, and the fresh corn is promoted to meet marketization requirements.

The invention discloses a planting method for overcoming continuous cropping obstacles of silage corn, which solves the problems of soil degradation and diseases and insect pests caused by continuous cropping by integrating soil physical remediation, chemical remediation, biological remediation, microbial community regulation and ecological intercropping technologies. The core technology content comprises the steps that deep ploughing is combined with organic matter and a biochar modifier to repair the soil structure, a compound microbial agent is sprayed to inhibit pathogenic bacteria, leguminous green manure and commercial crop rape are used for improving nitrogen circulation and reducing the autotoxicity effect every two years, and a precise fertilization management technology is matched. After the scheme is implemented, the soil health condition is remarkably improved, the silage corn yield is remarkably increased, and good ecological and economic benefits are achieved.

The invention relates to a streptomyces sp. Strain EC15 and an application of the streptomyces sp. Strain EC15. The streptomyces strain EC15 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, yard 1, Beichen West Road, Chaoyang District, Beijing, the preservation date is December 25, 2024, and the preservation number is CGMCC NO.33195. The streptomyces strain EC15 has the advantages that the streptomyces strain EC15 can be used for preparing the streptomyces strain EC15; the strain has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, producing a biological membrane, producing an iron carrier, producing IAA and producing ACC deaminase. The EC15 bacterial liquid is used for soaking seeds under the stress of 200 mmol / L and 250 mmol / L NaCl, so that the germination potential, the germination rate, the germination index, the radicle length, the germ length and the fresh weight of group seedlings of the alfalfa seeds can be obviously improved. After the EC15 strain is inoculated, under the stress of 200 mmol / L NaCl, the plant height, stem diameter, leaf area and overground part fresh and dry weight of alfalfa plants can be obviously improved.

The invention discloses application of a molybdenum disulfide nano material in crop cold damage regulation and control, and belongs to the technical field of anti-cold agents. The preparation method comprises the following steps: dispersing a molybdenum disulfide nano material in water to obtain a suspension; then the suspension is sprayed on corn and soybean leaves, the cold resistance of the corn and the soybean is regulated and controlled in a leaf surface spraying mode, the biomass of the cold-damaged corn and the soybean can be increased, and the application prospect is excellent.

The invention provides an annual crop rotation method for soybeans, rice and oilseed rapes, which comprises the following steps: continuously cropping soybeans, rice and oilseed rapes (spring soybean-late rice-oilseed rape annual crop rotation system) on the same land in the same year (within 12 months), and regulating and controlling rhizosphere local nutrients of crops by adopting a lateral deep fertilization technology, so that the soil health is improved, and the crop yield is increased. The multiple cropping index is increased, high yield of grain and oil feed is promoted, and multiple improvements of environmental and economic benefits are realized. According to the technical scheme, through crop rotation, a single rice continuous cropping mode is broken through, extension of root systems in the growth process of soybeans and oilseed rapes can be utilized, the soil structure is improved, the air permeability and the water-retaining property of soil are enhanced, an excellent growth environment is provided for succeeding crops, the comprehensive yield of rice, soybeans and oilseed rapes is increased, and high economic benefits are achieved; in addition, in a crop rotation system, application of lateral deep fertilization is closely combined with growth characteristics of soybeans, rice and oilseed rapes, and the goals of increasing yield and efficiency, saving cost and protecting environment are achieved.

The invention belongs to the field of crop cultivation, and particularly relates to a flue-cured tobacco-soybean-oilseed rape composite planting tobacco field fertilizing method which comprises the steps of flue-cured tobacco planting, soybean planting and oilseed rape planting, short-stem early-maturing soybean varieties are sown in tobacco field furrows at intervals after flue-cured tobacco transplanting, low-temperature-resistant sclerotiniose-resistant oilseed rape varieties are sown in a tobacco field after soybeans are harvested, and the low-temperature-resistant sclerotiniose-resistant oilseed rape varieties are sown in the tobacco field. Turning and returning to the field when the oilseed rapes bolt to the initial flowering stage; the sowing density of the soybeans is 10000-22000 plants per mu, the sowing density of the oilseed rapes is 15000-2500 plants per mu, and by planting the soybeans and the oilseed rapes, the soil fertility of the tobacco field is improved, the chemical fertilizer consumption of the tobacco field is reduced, and the first-class tobacco proportion and the economic benefit of the flue-cured tobacco are improved.

The invention discloses magnesium modified fecal sludge hydrothermal carbon as well as a preparation method and application thereof, and belongs to the technical field of solid waste treatment in the environmental protection industry. The invention relates to a preparation method of magnesium modified fecal sludge hydrothermal carbon. The preparation method comprises the following steps: uniformly mixing fecal sludge powder and a magnesium additive to obtain a mixture; taking water as a solvent, and adding the mixture for hydrothermal reaction to obtain the magnesium modified fecal sludge hydrothermal carbon. According to the invention, waste utilization is carried out on the excrement sludge, modification is carried out through the magnesium additive, and loss of nutrient substances such as nitrogen, phosphorus and the like is effectively reduced. The magnesium modified fecal sludge hydrothermal carbon is applied to soil, can effectively promote the growth of pakchoi, and has certain agricultural value.

The invention relates to the technical field of soil ecological restoration and farmland cultivation management, in particular to an ecological regulation and control method for synergistically reducing compound obstacles of yellow soil rice-oil rotation cropland. The method is implemented by stages according to agricultural time: S1, mixing crushed straw, a composite functional microbial agent, a decomposed organic fertilizer and a calcium magnesium phosphate fertilizer into 0-15cm before rice transplanting; s2, after the rice is harvested, deep scarification is conducted by 20-25 cm, and a ridge culture structure is constructed; s3, interplanting astragalus sinicus after the ridges are built and before the oilseed rape is sown; s4, after the oilseed rape is harvested, the oilseed rape straw and the astragalus smicus are turned and pressed by 20-25 cm, lime is applied, and high water holding capacity is maintained in a short time; and S5, interannual circulation. Through microorganism-structure-nutrient coupling, thin, plate and sticky yellow soil is relieved synergistically, aggregate and air permeability are improved, root growth is promoted, and stable yield is increased.

The invention provides klebsiella oxytoca as well as a fungicide and application thereof, and relates to the field of microorganisms. The Klebsiella oxytoca is specifically Klebsiella oxytoca NA-K1, and the preservation number of the Klebsiella oxytoca NA-K1 is CGMCC (China General Microbiological Culture Collection Center) No.32130. The Klebsiella oxytoca NA-K1 can be used for preparing the acid-producing The Klebsiella oxytoca NA-K1 provided by the invention has a relatively comprehensive growth promoting function: the Klebsiella oxytoca NA-K1 can produce heteroauxin at high yield, also has the capability of producing gibberellin, can effectively solubilize phosphorus and potassium, and also has the capability of fixing nitrogen. In addition, the klebsiella oxytoca NA-K1 can resist extreme environments such as acid and alkali, high salt and the like, and is high in stress resistance. Based on a relatively comprehensive growth promoting function and relatively strong stress resistance of the strain, soil nutrients can be increased, the fertilizer utilization rate can be increased, the absorption of plants to the soil nutrients can be promoted, experiments prove that the strain can be successfully planted in rhizosphere soil of cucumbers and spinaches, the growth of the cucumbers and the spinaches can be promoted, the yield can be increased, and the strain has great application potential.

The invention relates to a method for relieving facility cultivation soil secondary salinization and improving lettuce yield, which comprises the following steps: applying a soil conditioner to planting soil, sowing lettuce, and irrigating with hydrogen-rich water until the lettuce is harvested; the soil conditioner comprises a combination of iron modified biochar and humic acid. According to the method, the combination of the iron modified charcoal and the humic acid is adopted as the soil conditioner, and meanwhile, the hydrogen-rich water is adopted for irrigation, so that the salinity of the facility cultivation soil can be quickly and effectively reduced, the soil acidification is slowed down, the yield of lettuce is promoted to be increased, and an economic, environment-friendly and easy-to-popularize mode is provided for improving the conservation of the facility cultivation soil.

Methylobacterium strains that enhance early growth of plants, improve propagation / transplant vigor, increase nutrient uptake, improve stand establishment, improve stress tolerance, and / or increase a plant's ability to utilize nutrients are provided herein. Also provided are methods to identify Methylobacterium strains that improve nitrogen use efficiency in various crop plants.

The invention provides a charcoal-based microalgae fertilizer as well as a preparation method and application thereof, the method adopts a mode of co-fermentation of charcoal and microalgae to fix microalgae on charcoal, and co-fermentation is performed to prepare the charcoal-based microalgae fertilizer. The biochar-based microalgae fertilizer can significantly improve the crop yield, increase the chlorophyll content of crops, promote healthy growth of plants, optimize the pH value of soil, enhance the water and fertilizer retention capacity of soil, and significantly improve the soil nutrients and soil enzyme activity, and has significant advantages in the aspects of nutrition supply, soil health, environmental protection, crop quality improvement and the like. The biochar-based microalgae fertilizer has two forms of liquid and dry powder, can be flexibly used according to a specific agricultural production mode, has the advantages of easily available raw materials and simple preparation, is a sustainable fertilizer source, can comprehensively improve the soil fertility and the crop stress resistance, reduces the dependence on chemical fertilizers, and reduces the environmental pollution problem in agricultural production.

Disclosed are methods of producing nutrient solutions having unique isotopic fingerprints; methods of producing traceable plants; and methods of identifying the source of a traceable plant that does not rely on expensive artificially separated isotopes. Plants grown with these nutrient solutions will have unique isotopic fingerprints that will be difficult or impossible to counterfeit.

The invention provides fluorescent carbon dots based on microbial fermentation lignite as well as a preparation method and application of the fluorescent carbon dots. The fluorescent carbon dot is prepared by taking a fermentation product obtained by fermenting lignite through microorganisms as a raw material, and has a graphene-like carbon core structure, the lattice fringe spacing is 0.20-0.21 nm, and the average particle size is 4-5 nm. According to the preparation method of the carbon dots, a microbial fermentation technology is combined with a one-step hydrothermal method, a microbial lignite fermentation product is taken as a precursor, ethylenediamine is added, hydrothermal synthesis is performed after reaction conditions are optimized, and the fluorescent carbon dots based on microbial fermentation lignite are obtained and can remarkably promote plant growth.

The invention relates to the technical field of flue-cured tobacco planting, in particular to a two-year triple cropping flue-cured tobacco cultivation method, which adopts flue-cured tobacco-oilseed rape-corn rotation, flue-cured tobacco-oilseed rape-upland rice rotation or flue-cured tobacco-oilseed rape-buckwheat rotation. By means of the flue-cured tobacco cultivation method, the soil environment for flue-cured tobacco planting can be improved to a large extent, and the quality and yield of flue-cured tobacco are further improved.

The invention belongs to the technical field of selenium enrichment of pakchoi, and particularly relates to a pakchoi growth promoter under selenium-rich and high-cadmium soil conditions. The invention relates to a pakchoi growth promoter under selenium-rich and high-cadmium soil conditions. The pakchoi growth promoter is prepared by uniformly mixing a 1 mmol / L jasmonic acid solution and a 1 mmol / L salicylic acid solution in equal volume and then adding water to dilute for 20 times. The jasmonic acid and the salicylic acid existing in all higher plants are used as raw materials, the optimal formula concentration of the jasmonic acid and the salicylic acid is determined through tests, the synergistic interaction effect of the two hormones is fully exerted, the growth physiological metabolism level of crops in the selenium-rich and high-cadmium soil can be adjusted, the crop yield is increased, and the crop yield is increased. Meanwhile, the content of beneficial element selenium of edible parts of the crops is increased, the content of harmful element cadmium is reduced, healthy and efficient production of the selenium-rich crops is finally achieved, the problems that cadmium exceeds the standard and the yield of the crops is reduced in the utilization process of the selenium-rich and high-cadmium soil are effectively solved, and technical support can be provided for safe utilization of the selenium-rich and high-cadmium soil.

The invention relates to the field of biology, in particular to a sheep waste compound bacterium fermented organic fertilizer which is obtained by fermenting compound bacteria, and the compound bacteria comprise any one of bacillus subtilis, lactic acid bacteria, saccharomyces cerevisiae and clostridium butyricum. The organic fertilizer has the following beneficial effects: (1) the organic fertilizer is fermented by using four microorganisms at the same time, so that the fermentation is more sufficient, and the content of free amino acid is relatively high; (2) the organic fertilizer contains four kinds of probiotics, can obviously inhibit diseases and insect pests, and actual planting of tomatoes and Chinese cabbages also proves this; and (3) the problems that the sheep slaughtering wastes pollute the environment and are discharged are solved, a high-quality organic fertilizer source can be provided for agricultural production, and the wastes are comprehensively recycled.