455results about "Leaf crop cultivation" patented technology

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 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 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 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.

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 relates to the technical field of plants, in particular to application of surfactin in promotion of rape root development. According to the invention, a new function of the surfactin is found, and the surfactin can be used as a signal molecule to promote expression of related genes of auxin of the rape and promote development of lateral roots of the rape and formation of a branch prosite, so that development of a root system of the rape is remarkably promoted. Surfactin can be used for preparing products for promoting root development of rape, such as plant growth regulators, fertilizers or fertilizer additives and the like, and has a wide application prospect.

The invention relates to the technical field of saline-alkali soil treatment, in particular to a severe saline-alkali soil reserve cultivated land ecological improvement method. Comprising the following steps: taking corresponding physical desalting measures on soil according to the condition of the saline-alkali soil to be improved; a halophyte community is constructed, and the soil is improved; a salt-tolerant plant community is constructed, and the soil is improved; salt-tolerant crops are planted, and soil conservation is achieved. The problems of high salinity and poor texture of saline-alkali soil can be gradually improved, and the soil quality of severe saline-alkali soil is improved.

The subject of the invention is an autonomous lighting system, i.e., an autonomous lighting fixture with an adjustable optical radiation spectrum, equipped with an active module featuring a system for modifying the optical radiation spectrum during the cultivation process, aimed at activating vegetation and controlling plant flowering. The invention also pertains to the lighting module itself, specifically an LED lighting module for activating vegetation and controlling plant flowering, as well as a method for activating vegetation and controlling plant flowering. The invention is applicable to the cultivation of red-leaf plants, particularly for flowering activation. The invention is especially suited for plant cultivation in vertical farms and greenhouse operations.

The invention belongs to the field of agriculture, particularly relates to an application of a nano material in the field of agriculture, and more particularly relates to an initiation method and an initiator for enhancing low-temperature resistance of rape and a preparation method of the initiator. Seed soaking is performed by adopting the initiator composed of a ZnO-doped mesoporous cerium oxide (ZnO-CeO2) nano material and ultrapure water; the low-temperature resistance not only embodies higher seed germination rate and germination potential under low-temperature stress, but also can carry'stress memory 'to a later development stage, so that the low-temperature resistance of the rape seedlings is continuously improved.

Biodegradable growing media and soil conditioning compositions include nanocelluloses, such as carboxylated CNF, carboxylated LCNF, and carboxylated CNC, which serve as binding and / or wetting agents. Methods include mixing nanocelluloses with plant growth substrate materials. The compositions include the possible addition of monovalent, divalent, or trivalent inorganic salts that supply essential plant nutrients. These compositions can be processed into plug or mat forms suitable for supporting the germination and growth of crops. Carboxylated nanocellulose-based compositions can be directly applied as soil conditioners or amendments to enhance soil health and plant development.

The invention relates to an industrial carbon dioxide improved saline-alkali soil system and a method for promoting yield increase of green leaf vegetables by using the system, and adopts the following technical scheme: the industrial carbon dioxide improved saline-alkali soil system is utilized to transform a land parcel, fine seeds are selected, sowing is performed in a dry sowing and wet outlet mode, flat furrows with the width of 1.7 m are made, passages with the width of 0.6 m are reserved between the furrows, four drip irrigation belts are laid on one furrow surface, and the laying mode is 25 cm + 40 cm + 40 cm + 40 cm + 25 cm; drip irrigation is carried out for 4-6 times in the whole growth period, the irrigation period is 7-9 days, the irrigation period is adjusted to 5-7 days in the water demand peak period, the irrigation quantity is 100-150 m < 3 > / mu, the acid aqueous solution is applied for 4-6 times, and the total carbon dioxide consumption is 20-30 kg / mu.

The carbon-based microbial fertilizer capable of effectively improving the Chinese cabbage planting soil environment, degrading pesticide residues, enhancing the disease resistance of Chinese cabbages and increasing the yield of the Chinese cabbages is prepared by combining the bacillus subtilis FM bacterial liquid and the biochar. Comprising the following steps: step 1, inoculating a bacillus subtilis FM strain into an NA liquid culture medium, and carrying out shaking culture on a shaking table at the constant temperature of 37 DEG C for 24 hours to obtain a strain fermentation solution; and step 2, sterilizing the biochar at 121 DEG C for 60 minutes. And adding the prepared bacterial liquid into sterilized biochar, respectively preparing 5kg of carbon-based biological fertilizer with the bacterial content of more than 3 * 10 < 8 > CFU. G <-1 >, adjusting the moisture content to 30%, putting into an incubator, and culturing at the constant temperature of 37 DEG C for 24 hours, thereby obtaining the carbon-based microbial fertilizer, wherein the carbon-based biological fertilizer has the bacterial content of more than 3 * 10 < 8 > CFU. G <-1 >.

The invention belongs to the fields of fermentation engineering and sludge disposal and resource utilization, and relates to a method for producing a liquid fertilizer by using a sludge hydrothermal carbonization solution. The method comprises the following steps: by taking a sludge hydrothermal carbonization solution as a carbon source, carrying out aerobic fermentation treatment by adopting S.cerevisiae, thereby obtaining the product. By adopting the method, a seed germination test proves that the compound can be used as a liquid fertilizer raw material; the COD (Chemical Oxygen Demand) removal rate of the hydrothermal carbonization liquid treated by the saccharomycetes can reach 70%, and other pollutants in the hydrothermal carbonization liquid are degraded to a certain extent. According to the method, the hydrothermal carbonization liquid is used for replacing a traditional carbon source, so that the raw material cost is reduced, all waste water is utilized, the liquid fertilizer product can be efficiently produced, the problem of high pollution treatment cost of the conventional hydrothermal carbonization liquid is solved, and the fermentation liquid can be applied as the liquid fertilizer.

The invention relates to the technical field of soil improvement, in particular to a soil carbon library regulated crop planting method, which comprises the following steps: before crop planting, measuring the mass of particulate organic carbon (POC) and mineral bound organic carbon (MAOC) in soil, regulating and controlling the mass ratio of POC to MAOC on the basis of the measurement result in the step (1) to meet the condition that POC / MAOC is more than or equal to 0.8 and less than or equal to 1, and controlling the mass ratio of POC to MAOC to be more than or equal to 0.8 and less than or equal to 1. According to the soil improved through the method, the soil fertility can be improved, the crop yield and quality can be improved, and the soil health and sustainability can be promoted.

The invention discloses a strain NJSH56 for promoting plant growth and application thereof, the strain NJSH56 is identified as bacillus pumilus, the strain NJSH56 is preserved in China General Microbiological Culture Collection Center (CGMCC), the preservation time is November 14, 2024, and the strain preservation number is CGMCC NO.32614. The strain NJSH56 can promote plant growth. The dendrobium officinale endophytic growth-promoting strain NJSH56 for promoting plant growth is obtained through separation and screening, growth of dendrobium officinale tissue culture seedlings can be effectively promoted, and the fresh weight, the rooting number and the leaf number are increased; greenhouse tests show that the number of new buds of dendrobium officinale plants in a strain NJSH56 treatment group reaches 4.67 and is obviously higher than that of a control group; meanwhile, the NJSH56 is used for treating the non-host plant Chinese cabbage, so that the growth of the overground part of the Chinese cabbage can be remarkably promoted, and the biomass accumulation of the Chinese cabbage is improved.