9 results about "Astragalus sinuatus" patented technology

The invention provides a self-circulation peach orchard grass growing covering cultivation method. The technical problems that in the prior art, the peach orchard circulation updating cost is high, and the fruit tree growth condition is poor are solved. The method comprises the following steps: sowing medicago sativa or astragalus sinicus among peach tree rows; after the grass seeds are mature and 5-10 days before the fruit expansion period of the peach trees is started, light-proof and water-permeable gardening ground cloth is laid in an overhead mode 20-30 cm away from the ground, and weed suppression and decay promotion are achieved; the ground cloth is removed after the fruits are harvested, so that grass seeds naturally falling off in the last year germinate and regenerate in a light-transmitting manner, and a'cloth covering-cloth uncovering 'closed-loop cycle is formed. Zero-cost self-circulation (the germination rate is larger than or equal to 92.3%) of grass seeds is synchronously achieved, the decomposition fertilizer efficiency is matched with the peach tree fertilizer requirement peak (the soluble solid content breaks through 13.21%, and the weight of a single fruit is 236.12 g), and the synergistic advantages of soil improvement and acid reduction (organic matter content is 33.09 g / kg) of alfalfa and nitrogen fixation and sugar extraction (soluble sugar content is increased by 12.61%) of astragalus sinicus are exerted. The problems of year-by-year reseeding, fertilizer competition between grass and trees and fertilizer efficiency lag in the traditional grass growing technology are solved, the planting cost is reduced, and the dual improvement of ecology and quality is realized.

The invention provides a method for preventing and treating waxberry wilting disease. The method comprises the following steps: spraying a bamboo vinegar stock solution diluted by 5-10 times to soil, spraying a mixed solution of 1600-2000 times of thifluzamide and 900-1200 times of difenoconazole to tree bodies, and realizing disease prevention and treatment in cooperation with specific spraying periods, astragalus sinicus planting and nitrogen fertilizer control. Wherein the soil is sprayed for one time within 5 days after fruit picking and for one time within 2.5-3.5 cm of summer shoots, the tree body is sprayed for one time within 7 days after fruit picking and for one time within 4-6 cm of summer shoots, and the spraying period of the same batch of tree bodies is 2 days or more later than that of the soil; astragalus sinicus is sown in October, the nitrogen fertilizer application amount is controlled throughout the year, the fruit / compound fertilizer weight ratio is greater than 50, and no urea is applied. The method for preventing and treating the waxberry wilt disease only twice a week, the dosage is remarkably reduced, the immunity of tree bodies for resisting the wilt disease is further enhanced by improving the soil environment, improving the root activity, controlling the application amount of the nitrogen fertilizer and keeping the moderate tree vigor of waxberries, the prevention and treatment effect reaches 69% or above, and the method has the advantages of being environmentally friendly, efficient, easy and convenient to operate and suitable for large-scale application and popularization.

This invention relates to the field of contaminated soil remediation technology and discloses a method for phytoremediation of nonylphenol-contaminated soil enhanced with aminosalicylic acid, comprising the following steps: S1, contaminated soil pretreatment; S2, germination and seedling cultivation of *Astragalus membranaceus* seeds; S3, *Astragalus membranaceus* planting; S4, addition of aminosalicylic acid root exudates; S5, field management during the remediation period; and S6, remediation effect detection. By employing a synergistic remediation technology scheme using *Astragalus membranaceus* as the remediation plant and aminosalicylic acid as the core root exudate, the synergistic effect of these two substances recruits rhizosphere degrading microorganisms, enhancing the in-situ degradation process of nonylphenol, thus achieving efficient and in-situ remediation of nonylphenol-contaminated soil. Compared with existing technologies that rely solely on physical adsorption, chemical oxidation, or single phytoremediation, this method solves the problems of low remediation efficiency, easy secondary pollution, and limited applicability.

The invention discloses a rice-green manure crop rotation fertilizing method capable of reducing phosphorus loss and a special base fertilizer for green manure. The base fertilizer special for the green manure is prepared from ground phosphate rock, plant ash, straw powder, decomposed livestock manure, modified seaweed residues, borax, ammonium molybdate and a compound microbial agent according to a specific weight part ratio. The fertilizing method comprises the following steps: when the astragalus sinicus is sown in a green manure season, applying the special fertilizer, and moving 20-30% of the total amount of annual phosphate fertilizer forwards to the season; then performing field management and green manure turning and pressing; in the rice season, only 70%-80% of the residual phosphate fertilizer is applied, and the reduced nitrogen-potassium fertilizer is matched. According to the invention, through a'phosphate fertilizer forward-moving 'strategy, the difference between phosphorus conversion and loss laws of paddy and drought seasons is combined, phosphorus is activated and fixed by using crops in a green manure season, leaching loss of phosphorus in rice seasons is effectively reduced, green manure growth and nitrogen fixation fertilization are promoted at the same time, and cooperation of efficient utilization of phosphorus, stable yield and income increase of crops and environmental protection is realized.

The present application relates to the technical field of compound planting, in particular to a kind of southern winter idle field green manure optimization configuration efficient compound planting method, including step one, astragalus sinicus seed and rape seed banding sowing;Step two, astragalus sinicus seed and rape seed sowing promote growth treatment;Step three, astragalus sinicus and rape harvesting treatment;Step four, astragalus sinicus and rape crushing and turning back to field;Step five, strengthen and promote the management.Compared with prior art, a kind of southern winter idle field green manure optimization configuration efficient compound planting method is proposed in the present application, compared with traditional simple mixed sowing, in the yield of subsequent crop rice, rape straw decomposition rate, astragalus sinicus straw decomposition rate, >2mm soil aggregate formation, soil organic matter content and so on, there is greater improvement, it can be seen that the green manure optimization configuration efficient compound planting method is more conducive to soil fertilization and improve the yield of subsequent crop rice.

The invention discloses a milk vetch ecological value dynamic evaluation method and system based on a multi-dimensional stripping algorithm, relates to the technical field of agricultural ecosystem evaluation, and effectively weakens background interference of different crop rotation conditions on ecological evaluation results by constructing a crop rotation background reference sequence and distinguishing continuous and discontinuous crop rotation states. The comparability and stability of ecological value evaluation are improved; astragalus sinicus turning and pressing operation is used as a disturbance stripping anchor point, and an alignment time window is constructed before and after turning and pressing, so that fine decoupling of an artificial farming operation disturbance effect and a long-term ecological change trend is realized, and the accuracy of turning and pressing ecological effect identification is enhanced; by performing parallel dimension stripping and unified time alignment on a gas absorption behavior and a gas emission behavior, positive and negative ecological effects are synthesized under the same time scale to form a gas regulation net effect sequence, so that ecological value bias caused by single-index analysis is avoided.

The invention belongs to the technical field of agricultural machinery, and particularly relates to a special huller for astragalus sinicus, in the special huller for astragalus sinicus, materials are fed into a hulling mechanism through a feeding mechanism, and astragalus sinicus seeds are rubbed and extruded in a flexible gap formed by a second flexible layer of a rolling shell and a first flexible layer of a rolling roller under the driving of the rolling shell rotating in a reciprocating mode, so that hulling is achieved; an elastic assembly used for supporting the grinding roller is arranged below the grinding roller, so that the grinding roller can float within a certain range, and the gap pressure has the self-adaptive buffering capacity. According to the invention, the first flexible layer and the second flexible layer provide soft and uniform rubbing force, so that seed damage caused by rigid impact is effectively reduced; meanwhile, the conical grinding roller is matched with the grinding shell rotating in a reciprocating mode, dynamic pressure adjustment provided by the elastic assembly is combined, seed and shell separation can be more effectively achieved, the threshing requirement is met, and therefore the problem that the threshing rate and the breakage rate are difficult to balance due to the fact that the acting force of existing universal equipment is not matched is solved.

The invention discloses a green manure turning, burying and retting method for reducing generation of weeds in a rice field and improving rice yield, which comprises the following steps: (1) interplanting astragalus sinicus in a broadcast sowing mode two weeks before rice harvesting; (2) 15-30 days before rice transplanting of the next season, the astragalus smicus in the mature period is turned and buried and returned to the field; (3) before turning and burying, uniformly spreading quicklime, and turning and burying the quicklime and the astragalus sinicus into soil together; (4) uniformly spreading calcium superphosphate after turning and burying; and (5) performing intermittent waterflooding and retting. Compared with the prior art that the astragalus smicus is turned, buried and returned to the field without retting in the full-bloom stage before rice transplanting, the turning, burying and retting method provided by the invention has the advantages that the organic matter returning amount can be effectively increased, the total nitrogen content of soil before rice transplanting is increased, the weed generation amount in the rice field is reduced, and the rice yield is increased.

The application discloses a kind of saline-alkali soil eagle mouth Astragalus planting method and device, it is related to agricultural planting technical field, to the problem of line-shaped salt injury and seedling deficiency caused by membrane edge condensation back drop, the method is attached to the inside of membrane edge wet-sensitive developing tape positioning microclimate condensation back drop section;According to the interval of color change continuity, artificial pressure relief point is structured in membrane edge and is configured condensing wing piece, and continuous water vapor escape is converted into discrete fixed-point drop;Sacrificial salt interception zone is laid out in membrane outside alignment, and high-concentration condensed brine is instantaneously received and solidified to block its entry into soil;Risk avoidance lofting sowing is carried out in combination with safety bias distance, and after seedling is stable and becomes flat, salt interception zone loaded with salt is removed from farmland.The application realizes the precise positioning, discrete breaking and stripping of hidden salt damage, completely eliminates the pulse poison of edge salt line to seedling, and significantly improves the continuity and survival rate of saline-alkali soil vegetation construction.