93results about How to "Adequate nutrient supply" patented technology

The invention discloses a composite rice seedling cultivation matrix and a preparation method of the matrix. The composite rice seedling cultivation matrix comprises the following components by weight: 60% of earthworm cast, 30% of vermiculite and 10% of nutrient soil by volume percent, wherein per cubic meter of matrix contains 7.5kg of ferrous sulfate heptahydrate. According to the invention, preparation method is simple, resource is rich and cost of materials is low, wastes are changed into valuable, the environmental pollution is reduced, and the seedling cultivation matrix is enough in nutrient and stable in properties. After the matrix is used for seedling cultivation, the operation is simple and convenient, and the labor intensity is lightened; furthermore, the rice seedlings are good in quality and high in percentage establishment of seedling. The matrix disclosed by the invention promotes the industrial development of rice transplanting of a rice transplanter, and is more beneficial to building ecological villages and towns and new villages.

The invention discloses a cartilage-bone-marrow composite tissue structure based on 3D living cell printing and a method of the cartilage-bone-marrow composite tissue structure. Biological informationof bone tissue is collected and input into a computer for biomimetic modeling, and bio-ink suitable for cells such as cartilage, osteogenesis, mesenchymal stem, vascular endothelium, etc., is prepared; hard materials for printing dense bone area are prepared; various casting agent is prepared; living cells are inoculated into corresponding bio-ink at a certain density; and various types of printing ink are loaded into a printer bin correspondingly, 3D printing is carried out after setting printing parameters, and printed bone tissue is cultured in a tissue engineering bionic incubator. Aftera certain time, the method of temperature control or enzyme control or light control is used to remove casting agent materials at different times, artificial blood vessels are grafted on the outside of the cartilage-bone-marrow composite tissue, and continuous circulation perfusion cultivation is carried out in the tissue engineering biomimetic incubator, so as to achieve the pre-maturation of printed tissue, and the long-term survival and biological function of 3D printing bone tissue can be realized.

The invention relates to a method for expanding the stem cell between marrows in three-dimension dynamic condition, wherein it is characterize in that: hollow fiber film uses I-type collagen gel to embed the marrow stem cell; then cultivates said cell in cyclone biological reactor to obtain the marrow stem cell. The invention has the advantages that: I-type collagen gel can provide better three-dimension growth condition for stem cell, to cultivate cell multilayer; the hollow fiber film can protect cell from flow shearing force and impact; the cyclone reactor can reduce the transmission resistance of cultivate system, to provide enough nourishment to cell.

The invention discloses a slow-release compound fertilizer for cucumber. The slow-release compound fertilizer comprises the following raw materials: 65-75wt% of a component A and 25-35wt% of a component B, wherein the component A comprises the following components in parts by weight: 30-40 parts of ammonium nitrate, 20-30 parts of cassava residue, 30-40 parts of soybean residue, 25-30 parts of cottonseed cakes, 15-20 parts of peanut shells, 15-25 parts of straw powder, 20-30 parts of bagasse residue, 20-25 parts of wheat bran, 10-15 parts of fishmeal, 5-8 parts of EM bacteria, 10-15 parts of sepiolite, 15-19 parts of bentonite, 10-13 parts of modified porous carbide and 10-15 parts of montmorillonoid and the component A comprises the following components in parts by weight: 40-50 parts of a slow-release urea iron fertilizer, 25-35 parts of calcium superphosphate, 15-20 parts of potassium dihydrogen phosphate, 20-30 parts of ammonium nitrate, 20-23 parts of potassium chloride, 15-18 parts of potassium sulfate, 3-6 parts of zinc sulfate, 2-5 parts of manganese sulfate, 8-12 parts of calcium humate, 1-4 parts of magnesium humate, 3-6 parts of sodium sulfate and 2-5 parts of boron humate.

The invention provides a high efficient and environmental friendly cutting seedling method of vine plants. The method comprises the steps of substrate preparation, scion preparation, cutting treatment, cutting, substrate placement, full exposure atomizing management and seedling exercising and germinating. After the method is adopted for cutting propagation, the period is short, the operation is convenient, the rooting rate is high, the shape of the cutting substrate is controllable, transportation and application are facilitated, and cutting seedlings produced by adopting the method are wide in application range, and can be both applied to conventional greening and three-dimensional greening.

The invention belongs to the technical field of potato breeding, and particularly relates to a method for solving infertility of potato varieties serving as hybrid female parents. The method includes the steps of stock selection and cultivation, scion cultivation, grafting, management after grafting, hybrid pollination and common mulberry seed harvesting. A potato serving as a scion and a winter cherry serving as a stock are grafted into a whole, a huge root system of the winter cherry provides more sufficient nutrients for an overground part by cutting off nutrient consumption needed by tuber growth of an underground part of the potato, a reproductive organ of the potato acquires enough nutrient supply, normal growth and development of the reproductive organ are promoted, normal fructification after pollination is achieved, and the problem of infertility of the potato varieties serving as the hybrid female parents for a long time is solved.

The invention discloses an ecological soil engineering structure of a combined n-shaped building block. The ecological soil engineering structure comprises a structure body, a retaining wall foundation helping the structure body to achieve stabilization and a soil filtering and water draining system. The shoreline of the soil engineering structure is smooth, the design is ingenious, coordinated stress is achieved, stability is good, construction is fast, the soil engineering structure has the advantages of a water large-size integral planter, an underground semi-open ecological nest, double limiting measures and a good soil filtering and water draining effect, and the ecological soil engineering structure can adapt to revetments of different slopes, and meet the requirements for normal water level greening, underwater biology inhabitation and other comprehensive ecological requirements.

The invention discloses a rice soilless seedling raising nutritional medium and a preparation method thereof. The rice soilless seedling raising nutritional medium is prepared from the following raw materials: carbonized rice husks, cassava residues, sucrose slag, livestock and poultry manure, a straw powder, tea residues, waste tobacco leaves, microbial fungi, a plant growth promoter and water. The rice soilless seedling raising nutritional medium provided by the invention takes agricultural wastes as raw materials to avoid damage to topsoil; the nutrient components are abundant and the content of organic matters is high, so that the rice can obtain full nutrition supply during the whole seedling. The rice seedlings cultivated by the rice soilless seedling raising nutritional medium havethe advantages of developed root systems, high packing force, robust seedling stems, high survival rate after transplanting, high adaptability, few pests and diseases and robust growth.

The invention discloses a preparation method of a coconut shell powder slow-release agent for a grape slow-release compound fertilizer. The preparation method comprises the following steps: stirring coconut shell powder and a potassium hydroxide solution, performing filtering, drying, carbonizing and grinding on the obtained mixture, adding hydroxyethyl cellulose and an aqueous solution of sulfuric acid, stirring and centrifuging the obtained solution, adding humic acid and water, performing ultrasonic dispersion, and filtering, drying and crushing the obtained mixture to obtain the coconut shell powder slow-release agent for the grape slow-release compound fertilizer. The invention discloses a preparation method of the grape slow-release compound fertilizer. The preparation method of thegrape slow-release compound fertilizer comprises the following steps: grinding fruit shell carbon powder, wood chips, corncob powder, zeolite powder, diatomite, vermiculite powder and fermented tobacco stems, adding a sodium hydroxide solution, performing stirring, and grinding the obtained mixture to obtain a pre-formed material; and uniformly mixing corn germ meal, straw powder, fish bone meal and plant ash, adding soybean oil and water, performing stirring, adding high temperature-resistant alpha-amylase, performing stirring, inactivating the obtained mixture, adding a precipitated phosphate fertilizer, phosphate rock powder, potassium sulfate and the coconut shell powder slow-release agent, performing uniform mixing, adding glutaraldehyde, performing stirring, adding carboxymethyl cellulose, performing uniform stirring, granulating the obtained mixture, and drying the granulated mixture to obtain the grape slow-release compound fertilizer.

The invention discloses a cultivation method for promoting the prolonging of the flowering periods of miniature roses. The cultivation method comprises the steps: nutrient substrate preparation, nursery stock selection, initial-stage cultivation, transplantation, regular watering and fertilization as well as pruning and pinching. In such a way, The cultivation method for promoting the prolonging of the flowering periods of miniature roses, disclosed by the invention, can be used for promoting the rooting and propagation efficiencies of nursery stocks, increasing the survival rate of initial-stage nursery stocks, avoiding excessive consumption of nutrient components, guaranteeing enough nutrient supply in the flowering periods of the miniature roses and prolonging the flowering time of theminiature roses.

The invention discloses compound feed capable of improving black pig appetite. The compound feed is prepared from the following raw materials in parts by weight: 20-30 parts of corn, 4-16 parts of expanded corn, 2-8 parts of expanded soybean meal, 4-12 parts of Chinese Incarvilla herb, 2-8 parts of paper mulberry leaf powder, 2-6 parts of corn protein powder, 1-5 parts of sorghum powder, 9-11 parts of phagostimulant, 1-2 parts of liquorice root, and 6-8 parts of digestion agent. A coconut shell powder composite is prepared according to the following steps: raising temperature of maifan stone, drying, raising temperature, calcining, cooling to room temperature, washing, grinding, adding coconut shell powder, stirring with water, filtering, drying, raising temperature, charring, adding sodium hydroxide and stirring, filtering, washing, and drying to obtain the coconut shell powder composite. The compound feed capable of improving black pig appetite can provide desired protein, fat and fiber for black pigs and has balanced nutrition, and also can improve the black pig appetite, promote digestion, and save the cost.

The invention belongs to the technical field of vegetable cultivation, and particularly relates to a preparation method of a seedling medium block and an application of the seedling meidum block, wherein the method comprises the following steps: controlling the hydrolysis condition to obtain hydrolyzed protein of different spatial structures by using the soybean meal as a raw material with low cost and easy availability, synthesizing hydrolyzed protein-urea-formaldehyde segmented copolymer by an alkali acid-base method, and adding a water-soluble fertilizer, a foaming agent, a common medium and a curing agent after synthesis to prepare a seedling medium block. The seedling medium block prepared by the method of the invention not only increases the porosity but also regulates the moisture and nutrient content. At the same time, the foaming modified urea-formaldehyde resin is rich in elements such as nitrogen, phosphorus and potassium, and is also a whole biodegradable material to release nitrogen, phosphorus and potassium in the degradation process.

The invention discloses a special fertilizer for drought resistance of potatoes. The special fertilizer is mainly prepared from the following raw materials: 61%-96.4% of inorganic salt fertilizer, 5%-12% wine residues, 3%-8% rape cake, 1.5%-5% sodium polyacrylate, 0.5%-1.5% EDTA, and 0.03%-0.12% diethyl aminoethyl hexanoate. The special fertilizer for drought resistance of the potatoes disclosed by the invention is balanced in nutrition, sufficient in nutrient supply to a potato field, and good in effect on quality and yield of the potatoes; the produced potatoes are large in size, smooth, good in taste, and high in yield; the cold resistance, the drought resistance and the disease resistance of the potatoes can be enhanced; the fertilizer has a good ecological effect; the problems that the soil of the potato field is coarse in texture and poor in water retaining capacity are solved; nutrition can be supplied to the potatoes; the soil nutrient balance is harmonized; and the quality and the yield of the potatoes are increased. The preparation method of the special fertilizer for drought resistance of the potatoes disclosed by the invention is available in raw materials, simple in operation and easy to implement; the prepared special fertilizer is stable and reliable in quality; full absorption of potatoes on the nutrient elements is facilitated; the yield of the potatoes is greatly increased; and the rate of growth can reach 20.26%-40.12%.

The invention discloses a water and fertilizer integrated drip irrigation method suitable for mountain orchards. Based on a movable head part, a drip irrigation pipe network is arranged in a mountainorchard, during different growth periods, a certain fertilization formula is used, and the drip irrigation pipe network is used to carry out water and fertilizer integrated drip irrigation on the orchard to supplement water and nutrients. The water and fertilizer integrated drip irrigation method is suitable for the mountain orchards in arid and semi-arid areas, the facility cost of a drip irrigation system in the mountain orchards can be reduced, and the water and fertilizer utilization efficiency are improved, so that the yield, fruit quality and economic benefits of the orchards are improved.