16results about How to "Improve Nutrient Utilization Efficiency" patented technology

The invention discloses a microbial compound fertilizer for improving soil hardening as well as a preparation method and application thereof, and belongs to the technical field of compound fertilizers. The microbial compound fertilizer for improving soil hardening provided by the invention is prepared from the following raw materials in parts by weight: 40 to 70 parts of ternary inorganic compound fertilizer, 10 to 25 parts of microbial compound bacterial powder, 12 to 20 parts of organic matter and 5 to 15 parts of biological active agent, the microbial compound bacterial powder is prepared by mixing bacillus subtilis bacterial powder, bacillus licheniformis bacterial powder, bacillus megaterium bacterial powder, bacillus mucilaginosus bacterial powder, lactic acid bacteria bacterial powder, nitrogen-fixing bacteria bacterial powder and actinomycetes bacterial powder. According to the invention, the ternary inorganic compound fertilizer, the microbial compound bacterial powder, the organic matter and the biological active agent are taken as raw materials, and a plurality of strains with different functions are compounded to prepare the microbial compound bacterial powder, so that the effect of the microbial compound bacterial powder is ensured, the fertilizer absorbing capacity of crops is further improved, and soil hardening is improved.

The culture medium comprises methionine, a carbon source, a nitrogen source and a phosphorus source, and the contents of the methionine, the carbon source, the nitrogen source and the phosphorus source in the culture process are 0.3-0.5 g / L, 180-230 g / L, 19-27 g / L and 3-5 g / L respectively. The optimized culture medium for improving the yield of the intracellular antibiotics can be used for fermenting penicillium brevicompactum to produce mycophenolic acid, and the titer of the penicillium brevicompactum for producing the mycophenolic acid can be obviously improved in a short time by utilizing the optimized culture medium and the fermentation method which are prepared by the invention; by utilizing the culture medium prepared by the invention, the activity of the mycophenolic acid produced by the mould in the penicillium brevicompactum can be improved.

The invention provides a special formula fertilizer for increasing the yield of winter wheat, and relates to the technical field of special formula fertilizers for increasing the yield of winter wheat, the formula fertilizer comprises the following components by weight: 5-15% of a nitrogen fertilizer, 5-15% of a phosphate fertilizer, 5-15% of a potash fertilizer, 5-15% of an organic fertilizer, 5-15% of trace elements, and the balance of a synergistic auxiliary agent. According to the special formula fertilizer for increasing the yield of the winter wheat, through reasonable proportioning and process optimization, the mixing uniformity of the fertilizer is improved, and the nutrient utilization rate of the fertilizer is increased. The temperature-controlled stirring ensures that the basic fertilizer is fully mixed, the fermented and dried organic fertilizer improves the soil structure, the microelements are sprayed in a superfine atomization manner to improve the absorption efficiency, and the synergistic additive enhances the fertilizer efficiency. Through granulation treatment, storage is convenient, the lasting time of the fertilizer efficiency is prolonged, balanced growth of crops is promoted on the whole, and the yield of the winter wheat is remarkably increased.

The invention discloses a drum granulation method for a water-soluble compound fertilizer. The drum granulation method comprises the following steps: (1) crushing raw materials of a basic fertilizer; (2) uniformly stirring the crushed raw materials and a water-soluble modified starch solution to obtain a uniform mixture; (3) putting the obtained uniform mixture into a rotary drum granulator, and granulating to obtain a fertilizer particle mixture; (4) feeding the fertilizer particle mixture into a drying cylinder for drying treatment to obtain a dried fertilizer particle mixture; (5) performing primary cooling and secondary cooling on the dried fertilizer particle mixture to obtain a cooled fertilizer particle mixture; and (6) carrying out primary screening and secondary screening on the cooled fertilizer particle mixture to prepare a qualified fertilizer particle finished product. According to the invention, the physical properties and nutrient utilization rate of the fertilizer are improved by accurately controlling the use amount of the drum granulation raw materials of the water-soluble compound fertilizer and optimizing process parameters; and through the synergistic effect of the raw materials, the product quality can be obviously improved.

The application discloses a kind of containing γ-amino butyric acid macroelement water-soluble fertilizer and preparation method thereof, including the following components are made: each component is by mass percentage number, γ-amino butyric acid 0.5%~3.0%, nitrogen source 15%~25%, phosphorus source 8%~15%, potassium source 20%~30%, trace element combination 0.1%~1.0%, the balance is deionized water, the γ-amino butyric acid is generated by enzyme catalysis L-glutamic acid directional conversion, catalytic process uses immobilized glutamic acid decarboxylase, reaction system pH control is 4.5~5.5, temperature control is 35~40 DEG C, the trace element combination is made by Fe-EDTA, Zn-EDTA, boric acid is compounded according to mass ratio 3:2:1, the application a kind of containing γ-amino butyric acid macroelement water-soluble fertilizer and preparation method thereof, enzyme catalysis L-glutamic acid directional conversion generates γ-amino butyric acid, avoid the harmful by-products possibly remaining of chemical synthesis method, meet green agricultural development needs, simultaneously select immobilized glutamic acid decarboxylase as catalyst, compared with free enzyme, its stability is significantly improved.

The invention belongs to the field of soil pollution treatment, and relates to a method for jointly relieving toxicity of microplastics to a soil-plant system based on a nitrification inhibitor-carbon nanomaterial. The method comprises the following steps: applying a nitrification inhibitor and a carbon nanomaterial to plant planting soil; the nitrification inhibitor is DMPP, and the carbon nanomaterial is one or more of a multi-walled carbon nanotube and a nanodiamond. The method can technically slow down microplastic pollution, improve soil health and guarantee quality safety of agricultural products.

The invention provides a special modified charcoal-based fertilizer for corn and a preparation method of the special modified charcoal-based fertilizer, and belongs to the technical field of special fertilizers for corn. The modified charcoal-based special fertilizer for corn provided by the invention is prepared from the following components in parts by weight: 35 to 45 parts of urea, 15 to 25 parts of diammonium hydrogen phosphate, 5 to 15 parts of modified charcoal, 10 to 20 parts of potassium chloride and 5 to 15 parts of calcium magnesium phosphate fertilizer. The volcanic slag is used as a modified material of the biochar and is matched with other fertilizers to prepare the modified biochar fertilizer special for the corn, the nutrient utilization rate of the fertilizer special for the corn is high, absorption of nitrogen, phosphorus and potassium by the corn is promoted, the growth of the corn is finally promoted, and the yield of the corn is increased.

The application relates to the technical field of compound fertilizer, and particularly discloses a special fertilizer for wormwood and a preparation method thereof. The special fertilizer comprises the following components: 500-600 parts of straw humic organic fertilizer, 60-100 parts of humic acid, 30-50 parts of amino acid raw powder, 40-50 parts of ammonium sulfate, 80-90 parts of monoammonium phosphate, 60-65 parts of potassium sulfate, 10-20 parts of calcium carbonate, 10-15 parts of magnesium sulfate, 1-3 parts of boric acid, 1-5 parts of ferrous sulfate, 1-5 parts of manganese sulfate and 30-35 parts of bio-based polyurethane. The bio-based polyurethane coating agent is prepared by using bio-based PDI and castor oil-based polyol as raw materials, and by adopting a chain extension agent and a grafting monomer for chain extension, and the special fertilizer after coating treatment can effectively solve the shortcomings of easy caking and inconvenient storage, and can realize accurate supply of nutrients through slight slow release. Meanwhile, the bio-based coating can be naturally degraded, has no soil residue, does not damage soil structure, does not affect the quality of wormwood medicine, can improve the utilization rate of fertilizer nutrients, and can reduce nutrient loss.

This invention discloses a nutrient-degrading enzyme, engineered microbial agents, and their application in the nutrient regulation of polymeric slow-release fertilizers, belonging to the field of enzyme engineering technology. This invention utilizes a specific polymeric slow-release fertilizer-degrading enzyme modified by artificial intelligence, which not only retains the degradation activity of the source strain enzyme but also achieves efficient heterologous expression while promoting a dual improvement in stability and catalytic efficiency. The constructed composite engineered strain exhibits no antagonistic effect, enabling low-cost, large-scale production of the degrading enzyme. The composite engineered strain can achieve precise regulation of nutrient release from polymeric slow-release fertilizers. By adjusting the ratio of engineered strains producing peptidases and amidases, precise supply of nutrients to different stages throughout the growth cycle of different crops can be achieved, resulting in complete degradation of polymeric slow-release fertilizers, significantly improving crop yield and nutrient utilization, and showing significant application prospects in the development of precision agriculture.

This utility model relates to the technical field of cultivation and planting devices, and discloses a three-dimensional cultivation and planting device with an atomizing structure, including a frame and a rotating column. The rotating column is rotatably connected to the inner right side of the frame via bearings. A spur gear is fixedly connected to the rotating column. A motor is fixedly connected to the outer left side of the frame. The spur gear contacts a toothed chain. A hinge rod is fixedly connected to the outer side of the toothed chain. An adjustment mechanism is provided on the frame, including an auxiliary mechanism and an arc-shaped plate hinged to the outer side of the hinge rod. In this utility model, the nutrient solution is converted into mist particles by an atomizing nozzle frame and sprayed directly onto the plant roots, allowing the roots to efficiently absorb water, nutrients, and oxygen in a suspended state. No substrate or soil is required, which not only reduces the spread of soil-borne pests and diseases but also improves nutrient utilization, promoting healthy plant growth and high yield.

The invention relates to the technical field of agricultural science, and discloses a polygala tenuifolia seed pelleting formula which comprises polygala tenuifolia seeds, a nanocapsule material, an organic polymer adhesive, a filling agent and a multifunctional nutrition additive. The nanocapsule material comprises polylactic acid, polycaprolactone or polyethylene glycol; the organic polymer adhesive comprises polyvinyl alcohol or carboxymethyl cellulose; the filling agent comprises talcum powder, bentonite and diatomite; the multifunctional nutrition additive comprises trace elements, a stress resistance enhancer and an antibacterial agent; the trace elements comprise iron, zinc and copper, the stress resistance enhancer comprises gibberellin and salicylic acid, and the antibacterial agent comprises carbendazim and thiophanate-methyl. Microelements and a plant growth regulator are wrapped by a biodegradable nanocapsule material (such as polylactic acid, polycaprolactone or polyethylene glycol), so that nutritional ingredients can be gradually released to adapt to moisture change in soil.

The invention relates to the technical field of soil treatment, in particular to a method for reducing plant pesticide through combination of percarbamide and a nitrification inhibitor and application of the method. Different nitrification inhibitors are taken as nitrogen management measures to influence soil non-biological characteristics and bacterial communities to drive degradation of carbendazim. Vegetables (carrots) are used as test crops, nitrification inhibitors including dicyandiamide (DCD), 3, 4-dimethyl pyrazole phosphate (DMPP) and nitrogenous fertilizer (percarbamide) are applied to different test soil (dry farming and rice soil), carbendazim is sprayed in the growth period (the application amount is 5 mg kg <-1 >, 7 days per time), and the nitrogen fertilizer (percarbamide) is applied to the test soil (dry farming and rice soil). Results show that by applying the nitrification inhibitors (DCD and DMPP) and percarbamide, not only can the yield of carrots and the diversity and network stability of bacterial communities be increased, but also carbendazim residues in soil and carrots can be reduced.

The application discloses a kind of soil culture ganoderma lucidum growth methods, belong to edible mushroom planting technical field, to solve the technical problems of poor soil adaptability, extensive environmental regulation, unstable quality of existing ganoderma lucidum soil culture.The method includes five steps of site selection and soil preparation, base preparation and laying, inoculation, controllable humidity management, environmental regulation and harvesting, selects particle size 0.005-0.05mm, organic matter content 0.8%-1.5%, pH value 7.2-8.0, water retention porosity 35%-45% of shanxi original loess as matrix, collocating composting broadleaf sawdust and other raw materials to prepare base, realize accurate humidity control by straw mulching+timed spraying, combined with base fermentation, gravel layer laying and other optimization measures, without using chemical pesticides and fertilizers throughout the process.The application adapts to the growth characteristics of ganoderma lucidum, can effectively improve the survival rate, dry product rate and medicinal ingredient content of ganoderma lucidum, realize high-quality, high-yield, green scale planting of ganoderma lucidum, and has good popularization and application value.

The invention discloses a light carbon silicon humic acid compound fertilizer and a preparation method thereof, and belongs to the technical field of biological fertilizers. The light carbon silicon humic acid compound fertilizer is prepared from the following components in parts by weight: 15-20 parts of a light carbon silicon material, 10-20 parts of modified humic acid, 18-20 parts of urea, 12-15 parts of potassium chloride, 8-12 parts of monoammonium phosphate, 2-3 parts of a photosynthesis enhancer and 1-2 parts of a nanocrystallization aid, the optical carbon-silicon material is prepared by preparing a carbon carrier from a carbon raw material through a hydrothermal reaction and then loading a silicon element and photosynthesis promoting bacteria, the modified humic acid is prepared from a humic acid raw material through three-step treatment, fermentation, acid precipitation and hydrogen peroxide modification. The nanocrystallization auxiliary agent is an equivalent mixture of lauryl sodium sulfate and nano silicon dioxide. The light carbon silicon humic acid compound fertilizer provided by the invention promotes the growth and development of crops and improves the soil structure.

The utility model discloses a kind of three-dimensional live water aquaculture systems suitable for different land use types, including supporting mechanism, breeding mechanism and live water control mechanism;The supporting mechanism is used to erect breeding mechanism above ground;The live water control mechanism is used to control the input and discharge of water body in breeding mechanism, regulate and control the flow and water level of water body in breeding mechanism.The utility model provides a new mode of three-dimensional live water aquaculture on land, breaks through the site limit of traditional aquaculture, realizes the optimal allocation of aquaculture equipment in paddy field, dry land, orchard, forest land and other various land use types, and is easy to accurately control breeding water body.In addition, when the system is applied to different land use types, it also forms a co-production ecosystem with different crops, which can not only exert the ecological effect of co-production, but also overcome the field management problems in co-production mode, realize efficient and accurate irrigation and compound ecological breeding, and has broad popularization and application prospect.

The invention discloses a bionic dynamic self-healing super-hydrophobic bio-based coated controlled-release fertilizer and a preparation method thereof. The coating material comprises the following raw materials in parts by weight: 0.8-2.5 parts of a bio-based film-forming matrix, 0.5-1.5 parts of a hydrophobic cross-linking agent and 0.013-0.4 parts of a bionic self-healing agent; the bionic self-healing agent is prepared by mixing a phase change agent, a plastic roughening agent, a positive assembly agent and a negative assembly agent in a mass ratio of (10-80): (0.1-1): (10-50): (10-50). The present invention is the first to prepare a new type of super-hydrophobic bio-based coated controlled-release fertilizer that can dynamically self-heal based on a bionic strategy, which solves the defect that traditional super-hydrophobic controlled-release fertilizer membranes are easily swelled and damaged, resulting in the failure of the super-hydrophobic property, and gives the membrane surface the function of being able to regenerate a super-hydrophobic state. When in use, the membrane can sensitively respond to temperature changes to dynamically self-heal its super-hydrophobic properties, thereby accurately controlling the release rate of the coated fertilizer, and perfectly combining the nutrient release law of the coated fertilizer with the fertilizer requirement law of crop growth, thereby achieving the purpose of significantly improving the fertilizer utilization rate.