87 results about "Nutrient management" patented technology

The invention relates to a method for cultivating tea, particularly the method for organically cultivating tea, which comprises the following processes: (I) establishing an artificial complex ecological organic tea garden; (II) selecting tea seeds of the organic tea garden; (III) planting tea; (IV) seedling stage management; (V) soil management of the organic tea garden; (VI) nutrient management and utilization of the organic tea garden; (VII) pest control of the organic tea garden; (VIII) tea pruning of organic tea. The method for cultivating tea has the following positive effects that: as the organic tea is the inevitable trend of future tea production, the invention regulates organic planting of tea in China and promotes the large-scale development of tea producing areas toward harmlessness and organification; the method for cultivating tea does not rely on advantage factors of microecological nature of producing areas, makes full use of modern technical achievements and has strong technical operability, thereby ensuring the quality of the organic tea.

The invention relates to a plant seedling raising technique, in particular to a camellia oleifera container seedling raising technique which aims to solve the problems of low seedling survival rate and low seedling raising efficiency of a camellia oleifera seedling raising technique in the prior art. The camellia oleifera container seedling raising technique includes the steps of (1) collecting seeds, and placing the collected seeds in a refrigeratory for cold storage and reserve at the temperature of 0-5 DEG C; (2) pre-treating the seeds, and soaking the seeds prior to sand storage for accelerating germination; (3) sowing, sowing the camellia oleifera seeds subjected to germination accelerating in a container containing seedling raising substrates in a spot manner, and then placing the container on a seedbed; (4) grating rootstocks of seedlings; (5) performing grafted seedling management including water management, rootstock removal and weeding management, light and temperature management, nutrient management and the like; (6) performing biennial seedling production management; and (7) performing outplanting management. The technique has the advantages of high seedling survival rate, high breeding efficiency and good reliability; and seedling survival rate of the seedling raising technique is 10-20% higher than that of inarching seedling raising and leaf cutting seedling raising techniques.

The invention discloses an optimized recommended fertilization method for soybeans. The recommended fertilization method includes the steps of: 1) determining the target yield of soil according to previous soybean yield level of soil; 2) determining the soil nutrient supply grade, soybean fertilization yield response and agronomical efficiency; 3) combining the target yield, yield response, agronomical efficiency and soil nutrient supply grade to calculate the recommended fertilization amount of nitrogen, phosphorus and potassium needed by soybeans to achieve the target yield; and 4) conducting fertilization on soil according to the recommended fertilization amount. The method is based on soil basic nutrient supply, soybean nutrient demand, fertilizer yield response and agronomical efficiency, takes nutrient collaboratively optimized optimal nutrition management as the principle, simultaneously takes the balanced application of nutrients into account, performs analog calculation to give a reasonable recommended fertilization amount finally, and can be applied without soil testing conditions. The recommended fertilization method is not only suitable for the small farmer-oriented business model in China, but also can achieve the regional scale fertilizer recommendation, and is an important way to realize soybean production and efficiency increase and improvement of the comparative advantage.

The invention relates to a method for cuttage propagation of rhododendron lapponicum, which includes: making a mixture of peat and pearlite into cuttage substrate according to a volute ratio of from 1:3 to 1:4, cutting a stem of a current year growing semi-lignified branch of a rhododendron lapponicum plant which is under no pest and disease damage and 3-5 years old as a cutting, and retaining two to three complete leaves at the top of the cutting; dipping the base of the cutting into rooting reagent A or B prior to inserting into the substrate; and performing intermittent spray for subsequent water management, maintaining mass water content of soil to be 60-65%, and maintaining air humidity to be more than 80% during a period from cuttage to rooting of a cutting seedling. The rooting reagent A includes IBA (indole-3-butyric acid) 0.8-1.0% and thiophanate-methyl 2-4%. The rooting reagent B includes IBA 0.015-0.02% and thiophanate-methyl 1-2%. By the method, rooting rate can reach morethan 85%, rooting of the cutting only requires about 60 days, and production cycle is short.

The invention belongs to the technical field of fertilizer application, and particularly relates to a method for application of organic fertilizer substituting chemical fertilizer in a quantitative manner. The method comprises the following steps of: S1, according to the crop growth environment, estimating the obtainable yield of a certain field under the best nutrient management measures according to the average yield of the crop in the past several years; S2, respectively calculating the agronomic efficiency of nitrogen fertilizer and the total quantity of nitrogen required to achieve the obtainable yield; S3, according to principle that the nitrogen nutrient of the organic fertilizer substitutes the nitrogen nutrient of the chemical fertilizer in a quantitative manner, respectively calculating the recommended application quantity of the organic fertilizer and the quantity of the nitrogen fertilizer substituted by the organic fertilizer; and S4, performing fertilizer application according to the recommended quantity of the organic fertilizer to the field, wherein the recommended quantity of the organic fertilizer is obtained through calculation. The method disclosed by the invention has the advantages of simplification, quantification, rationalization and the like. By only evaluating the crop growth environment and the soil fertility status, and using the key parameters such as the obtainable yield, nitrogen fertilizer reaction indexes and organic fertilizer substitution indexes, the total application quantity of the nitrogen fertilizer and the organic fertilizer can be quickly and accurately estimated, and the crop yield and the nitrogen use efficiency are effectively increased.

The invention belongs to the agriculture technical field, used for rice high yield nutrition efficient utilization cultivation, in particular relates to a japonica rice nitrogen, phosphorus and potassium fertilizers applying method. The method includes the following steps: fertilizer applying total weight is determined; leaf colour is determined; breed and fringe type are determined; and corresponding fertilizer applying management is carried out according to the determined fertilizer applying total weight, basic soil fertility, leaf colour and fringe type. Compared with the local high yield fertilizer applying method, the japonica rice high yield 'three-factor' nutrition management method in the invention has the advantages that mean nitrogen fertilizer application rate of the 'three-factor' nutrition management method is reduced by 15-22%, yield is improved by 6.6-10.6%, agricultural utilization ratio of nitrogen fertilizer is improved by 47-53%, and production capacity of nitrogen fertilizer is improved by 30-33%.

The invention discloses a gingko container cutting seedling method. The method comprises the following steps that firstly, a seedling container is selected; secondly, seedling matrix kinds are selected, disinfection is carried out, and the seedling matrix is the mixture of grass carbon, perlite and vermiculite; thirdly, a seedbed is established; fourthly, cutting seedling is carried out, hard branch cutting or twig cutting is selected, and cutting preparation, cutting slip shearing, cutting slip processing and cutting are included; fifthly, container seedlings are managed, and water management, light management, nutrient management, insect pest and weed prevention and matrix refill are included. By means of the method, the survival rate of the cutting seedling can be improved, the supply number of ginkgo seedlings is increased, the seedling cost is reduced, the gingko seedlings can be selectively cultivated in a directed mode according to the purpose of the seedlings, and a feasible scheme is provided for the application of a large number of the gingko seedlings in production.

For creeping stems of lawn grass, one or two buds at the front end of the near growth point can sprout, a plurality of buds at the back end are dormant, only one or two buds at each end of the grass item can sprout, a plurality of buds and internodes become the growth substrate for the sprouting buds at the front end, and the stems and leaves trimmed off can be directly used as the growth substrate of the lawn grass. According to the principle, the invention discloses a method for culturing soil-free lawn in a substrate-free mode. The technical scheme comprises selection of grass seeds, collection of items, paving of an insulating layer, sowing of grass items, water management, nutrient management, lawn trimming, prevention and controlling of diseases, insects and natural grass. The method can save the special lawn-culturing substrate, has the advantages of energy conservation and low carbon, rain wash resistance, quick lawn formation, smooth and dense lawn, strong root system, no soil pollution and short rejuvenation period, and is in accordance with the development trend that the quality requirements of lawn in various urban sightseeing greenbelts and playgrounds are higher and higher.

The invention relates to the technical field of vegetable planting, in particular to a cultivation method of purple cabbage. It includes two steps of seedling cultivation and cultivation management, wherein seedling cultivation includes four steps of preparing nutrient soil, preparing seedbed for sowing, sowing and planting, and cultivation management includes four steps of water management, soil management, nutrient management and pest control. The cultivation method of the purple cabbage provided by the invention has reasonable cultivation conditions and cultivation steps, and the implementation steps are simple, easy to master and popularize, and is suitable for large-area cultivation on farms.

The invention relates to a method of sweetgum seedling cutting and raising. The method comprises thesteps of 1,preparation of seedling raising container; 2, preparation of seedbed; 3, disinfection of substrate; 4,collection of scion wood; 5, seedling cutting; 6, arch shed building; 7, water management; 8, lighting and temperature management; 9, nutrient management: when the seedling stockgrows out 2-3 leaves, 0.15% brassinolide missible oil 2,500 times solution and 0.1%-0.2% monopotassium phosphate solution are sprayed, once every 7-10 days, fertilizers are cross applied; when thescion buds grow to 3cm-5cm, urea with a concentration of 0.2%-0.3% is sprayed in combination with weed removing; in the later growth period, a compound fertilizer solution with a concentration of 0.2%-0.3% is sprayed, once every 7-10 days, the time of fertilizer application is in the morning or the evening; 10, pest control; 11, filming and hardening; 12, seedling lifting and outplanting. According to the method of sweetgum seedling cutting and raising, the survival rate reaches as high as 98%, the seedling grows straight, and grows fast, and can be transplanted uphill at the secondspring, which greatly reduces the seedling raising costs.

The invention discloses a method for reducing a nitrogen fertilizer in a wheat-corn rotation system, belonging to the technical field of management of soil nitrogen nutrients. The method comprises the following steps: carrying out seed dressing on a Mn-Zn micronutrient fertilizer; adding a nitrification inhibitor and a coated controlled release nitrogen fertilizer when the nitrogen fertilizer is applied, and carrying out foliar topdressing of a boron fertilizer. By adopting the method, once fertilization of the nitrogen fertilizer in a wheat-corn planting system is achieved, the labor force is saved, materials are easily available, the operation process is simple, the fertilization method is simple and convenient, the cost is low, popularization is facilitated, and the application prospect is good. The application rate of the nitrogen fertilizer is obviously reduced, compared with the traditional fertilization in wheat and corn planting, the method has the advantage that the dosage of the nitrogen fertilizer is reduced by over 20%, loss of the nitrogen nutrients is obviously reduced, the pollution to water and an atmospheric environment is relieved, the environment risk is reduced, and the needs of agricultural sustainable development are satisfied.

The invention discloses a rapid seedling propagation method of azalea hardwood cuttings and belongs to the technical field of plant propagation. The rapid seedling propagation method of the azalea hardwood cuttings includes the steps that lignified branches from previous year are collected in June or July; sub-branches on the top end of the lignified branches are transitional branches from semi-lignified to lignified branches in current year; 2 to 5 new branches on the sub-branches and born in the current year act as cutting branches; rooting agent is used for soaking the cutting branches after callus treatment; maintenance and nutrient management and then post-transplant management are conducted. The rapid seedling propagation method of the azalea hardwood cuttings has the advantages of capability of enabling the azalea cuttings seedlings to become independent new plants in the current year and transplanted to be nutritional seedlings for nursery the second year, simple and easy method, low cost and application of industrialized nursery of azalea.

The invention provides a flue-cured tobacco seedling culture matrix which comprises sawdust, corn straw particles, pearl powder and chitosan. The invention further provides a seedling culture method adopting the matrix. The method includes: (1), decomposing and disinfecting; (2), dishing and seeding; (3), performing water management; (4), performing temperature, humidity and nutrient management; (5), hardening seedlings. The matrix and the method have the advantages that the flue-cured tobacco seedling culture matrix which is low in cost and can use local materials is researched to replace a flue-cured tobacco conventional seedling culture matrix-turf; the seedling culture method for guiding flue-cured tobacco production and being high in root system activity, short in seedling recovery period and high in survival rate and stress resistance (especially drought resistance) is researched and formed, and a foundation is laid for development of flue-cured tobacco industry.

The invention provides a whole-course nutrition fertilizing method of greenhouse strawberries. The whole-course nutrition fertilizing method comprises the following steps: (1) applying Kingenta 15-15-15 nitro 3+3 compound fertilizer and gold bacterial crown bio-organic fertilizer after entering autumn; (2) applying Kingenta 20-20-20 balanced type water-soluble fertilizer during a germination stage; (3) spraying Kingenta flower benefiting foliage fertilizer during a flowering stage; (4) applying Kingenta 16-8-34 high-potassium water-soluble fertilizer during a fruit core hardening stage; (5) applying Kingenta good fruit foliage fertilizer during a fruit inflating stage; (6) spraying Easentry monopotassium phosphate foliage fertilizer during a coloring stage; (7) applying 15-15-15 potassiumsulfate compound fertilizer after harvesting strawberries. According to a nutrient management scheme of the greenhouse strawberries, provided by the invention, nutrient substances such as nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, zinc, iron, copper, boron, molybdenum and the like can be provided for strawberries in different growth stages, various nutrient components required bythe strawberries during a growth process can be fully obtained, nutrient balance is kept, the yield and the quality of strawberry fruits are increased, the labor cost for fertilization is reduced, and better popularization and application value is obtained.

The invention discloses a method for raising cherry blossom seedlings by cutting. The method comprises the following steps: step 1, preparing a nursery and a seedling bed, wherein the nursery is selected from a flat land with complete matched ditches or a hill land parcel with a slope smaller than 20 degrees; preparing gap spraying equipment for the seedling bed; step 2, preparing cuttings: collecting the cuttings and treating the cuttings; step 3, cutting and carrying out after-cutting management; selecting tender branches and cutting; paying attention to the after-cutting management comprising moisture management, light illumination management, nutrient management and the like; step 4, culturing transplanting seedlings and paying attention to transplanting time and method; step 5, carrying out field management including soil fertilizer management, reshaping and pruning of nursery plants and prevention and treatment of plant diseases and insect pests; step 6, carrying out nursery plant outplanting including nursery plant lifting, grading, packaging, transportation and quarantine inspection. By adopting the method disclosed by the invention, the survival rate of seedlings raised by cutting can be improved, the supply amount of cherry blossom seedlings is increased and the seedling culturing cost is reduced; cherry blossom seedlings can be selectively and directionally cultured according to the purpose of the seedlings and a feasible scheme is provided for a large amount of application of the method in a production process of the cherry blossom seedlings.

The invention provides a method for improving pinus massoniana cutting stock plant ear production. The method includes the steps: stock plant selection; stock plant planting; trimming and pruning; stock plant management and protection. The method particularly includes the steps: selecting cultivated pinus massoniana tissue culture seedlings which are good in growth vigor, thick, strong and rich inroot system as stock plants; initially planting the pinus massoniana tissue culture seedlings in a seedling culture containers with seedling culture substrates, and managing the seedlings after initially planting; cutting the tops of the stock plants, planting the stock plants on a prepared seedling bed, managing the stock plants after planting; trimming and pruning the stock plants when buds ofthe stock plants grow to 5-6cm; performing moisture management and protection, nutrient management and protection, soil management and protection, diseases and insect pests control and updating on the stock plants. The stock plants cultivated by the method are high in survival rate, have luxuriant branches and leaves and thick and strong stems and nutritiously and vigorously grow, the service lives of the stock plants are effectively prolonged, yield, quality and activity of scions are greatly improved, cutting rooting rate and cutting survival rate are increased, nursery stock quality is improved, and pinus massoniana cloning nursery stock breeding effects are improved.

The invention relates to a green Chinese onion nutrient precision management method which includes the steps: 1) determining green Chinese onion yield response coefficient; 2) determining the target yield of a planting plot according to local past green Chinese onion yield; 3) determining yield response (t/ha)=the yield response coefficient*the target yield (t/ha); 4) calculating optimal green Chinese onion nutrient quantity according to the target yield, yield response and agricultural efficiency; 5) determining a fertilization management method according to soil nutrient supply grades and the optimal green Chinese onion nutrient quantity. Nutrient input quantity is precisely calculated according to the target yield of green Chinese onions, a nutrient management method is refined according to production conditions, nutrient precision management for green Chinese onion production can be realized, improper nutrient input and application are avoided, the yield and the quality of the green Chinese onions are improved, the income of farmers is increased, and the yield and efficiency are increased.

The invention provides a construction method of plant communities in the southwest area, which comprises the steps of selecting seeds; processing seeds which are difficult to germinate; preparing a mixture of seeds; preparing a mixture of substrates; preparing a mixture of seed substrates; spraying the mixture of the seed substrates towards rock soil wound surfaces or degenerated land; controlling the height of grasses and the density of bushes and arbors; spraying chlormequat chloride liquor to the grasses; spraying stress resistant high-nutrition foliar fertilizer to the arbors; and carrying out daily water and nutrient management. The seeds have rapid and safe germination, the structure and the functions of artificial vegetation are guaranteed to be steady, and the succession period from the artificial vegetation to natural vegetation is effectively shortened. The invention relates to the construction method of the plant communities on rock soil wound surfaces and in the degenerated land of side slopes, spoil areas, mining sites and the like in the southeast area.

The invention belongs to the technical field of seedling raising of chrysanthemum, and in particular relates to a cuttage seedling raising method for improving the quality of the chrysanthemum. The cuttage seedling raising method comprises the following steps of cutting wood selecting and treating; preparing a cutting bed; illuminating a seedling raising device; performing nutrition management. Compared with the prior art, the cuttage seedling raising method disclosed by the invention has the following advantages that cutting wood collecting plants are managed before collecting, so that the growth of plant epicormic branches can be promoted, and the plant epicormic branches are enabled to have better growth vigor during collection; after cutting wood is collected, the cutting wood is treated, so that quick rooting of the cutting wood is promoted, and the rooting quantity can be increased; cutting sand beds are matched, and illumination and nutrient management are matched at the same time, so that the rate of cultivated strong seedlings is high, the survival rate after transplanting is high, and high stress resistance is obtained; the quality and the nutrition of the cultivated chrysanthemum are significantly improved; the cuttage seedling raising method is suitable for popularization and use.

The invention relates to an intercropping method of leaf lettuce and peppers. The intercropping method comprises the steps of land selection and preparation, leaf lettuce seedling cultivation and pepper seedling cultivation, and specifically comprises the steps of variety selection, seed processing, seed germination accelerating, sowing, field planting, nutrient management, disease and pest control and the like. The intercropping method of leaf lettuce and peppers is adopted, so that the utilization rate of soil and the income of farmers can be increased by utilizing the idle time before peppers are harvested, the mutual action relation of the leaf lettuce and pepper root secretion can be utilized, and the occurrence of soil-borne diseases is reduced; meanwhile, weeds in a pepper field areeffectively inhibited, light, heat, water and soil resources are effectively utilized, rich planting of the space of the pepper field is promoted, and leaf type vegetable supply and the income of thefarmers are increased under the condition that pepper planting is not influenced.

The invention provides a nutrient fertilizer for improving the quality of black tea. The nutrient fertilizer is prepared from the following raw materials: 0.1-0.5 part of a novel nitrification inhibitor, 55-56 parts of a nitrogen fertilizer, 16-17 parts of a phosphorus fertilizer, 21-22 parts of a potassium fertilizer, 5-6 parts of a magnesium fertilizer and 1-2 parts of an anti-caking agent. Thedetermined nitrogen form and proportion suitable for black tea quality formation are provided, the black tea yield is increased, physicochemical and sensory properties of the black tea are improved, black tea nutrient management is optimized, the black tea yield and nutrient utilization efficiency are improved, the cost is reduced, manpower is saved, and the influence caused by nutrient emission to the environment is reduced.

The invention belongs to the technical field of agricultural planting, and specifically relates to a water-retaining planting method for Millettia specisoa Champ in a sloping land. The water-retainingplanting method comprises the following steps: (1) preparationof the sloping land; (2) seedling raising and transplanting; and (3) water and nutrient management. The water-retaining planting method provided by the invention has the following steps: biomass charcoal and a water-retaining fertilizer are spread onto the sloping land during ploughing and buried into soil after ploughing, have good water-retaining effect, can rapidly absorb and slowly release water, realize water retention for the sloping land, and have good water-retaining effect, so the Millettia specisoa Champ can vigorously grow on the sloping land, and the yield of the Millettia specisoa Champ on the sloping land is increased.

The invention discloses a healthy cultivation management method for sugar orange fruiting trees, which mainly comprises nutrient management of tree bodies, ecological management of orchards and regulation and control management of flowers and fruits, and the nutrient management of the tree bodies further comprises adding of an organic fertilizer, application of water and fertilizer integrated system and auxiliary correction of leaf surfaces. The ecological management of the orchard further comprises growing grass management, insect pest prevention and control and disease prevention and control; the regulation and control management of flowers and fruits further comprises flower and fruit protection, yield control and timely harvesting. According to the method, relevance and systematicnessof three key links in sugar orange fruiting tree cultivation management are emphasized, the stable growth capacity of sugar orange fruiting trees can be obviously improved through systematic management, and the high-level leaf chlorophyll content and nutrient element content are stably kept; the nutrient level and the growth and development level of the sugar orange fruiting trees are in the optimal state for a long time, the disease and pest resistance of tree bodies is enhanced, the occurrence rate of yellowing trees is reduced, health and long life are achieved, and the production capacityand planting benefits of sugar oranges are continuously improved.

The invention provides a soil nitrogen estimation method based on vegetation coverage for soil nitrogen, which comprises the following steps: firstly, collecting remote sensing data, preprocessing the data, then calculating a normalized vegetation index, and then calculating the vegetation coverage of an image by the normalized vegetation index; distributing points in a to-be-monitored area to collect soil data, and measuring field vegetation coverage in real time; next, carrying out regression analysis of actually measured soil nitrogen data and actually measured vegetation coverage, and establishing a mapping relation; calculating a regression equation between the image vegetation coverage and the actually measured vegetation coverage; and finally, simultaneously establishing the two equations to obtain an inversion model between the image vegetation coverage and the soil nitrogen. Inversion from images to soil nitrogen is achieved, large-scale rapid monitoring of the soil nitrogen is completed, stable and continuous soil monitoring data are obtained, and the method is used for guiding scientific management of soil nutrients and controlling the cost of soil nutrient management.