4results about How to "Improve Nutrient Utilization Efficiency" patented technology

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.

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.

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 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.