439results about How to "Increase plant height" patented technology

The invention belongs to the technical field of agricultural biocontrol, and especially relates to a broad-spectrum disease resistance bacillus and an application thereof. The biocontrol bacillus is classified and named as Bacillus velezensis, and the preservation number is CGMCC. No.15766. The Bacillus velezensis has the advantages of broad antibacterial spectrum, strong antagonistic effect, longlasting period, and effectiveness in inhibition of the growth of crop pathogenic fungi, and can be used in the fields of agricultural biocontrol to prevent and control crop diseases caused by gray mold, blight, anthracnose, stem rot, seedling blight, stalk break, gibberellic disease and other fungi. The Bacillus velezensis can also be used for promoting the growth of crop seeds and seedlings andthe preservation and fresh-keeping of fruits and vegetables. The Bacillus velezensis has the characteristics of strong resistance to ultraviolet and drought, simple preparation method and low cost, isa biocontrol strain with excellent performance, and has good development and application prospects.

The present invention relates to one kind of sunlight film for covering green house as modern gardening facility and its making process, and belongs to the field of agricultural technology. Low density polyethylene, ethylene-acetic acid copolymer, dripping agent, light stabilizer, composite antioxidant, diluent, light converting agent are mixed to produce concentrated mother material; mother material in 10-15 wt% and base material low density polyethylene or ethylene-acetic acid copolymer in 85-90 wt% are mixed homogeneously; and the mixture is extruded, blown into film and cooled to settle and processed through further steps to produce the sunlight film product. The sunlight film is used to penetrate sunlight, maintain temperature and convert ultraviolet ray into blue and red light essential for plant to perform photosynthesis and is superior to available plastic film for green house in light transparence.

The invention discloses a nutrient solution matrix-free seedling raising and cultivating system and a seedling raising method. The system comprises a nutrient solution seedling raising tank, a seedling grid plate, seeding paper and covering paper, wherein the nutrient solution seedling raising tank is filled with water or nutrient solution; the seedling raising grid plate is arranged on the nutrient solution seedling raising tank, and water through holes are formed on the side faces of the grid plate holes of the seedling raising grid plate; the seeding paper is laid on the seedling raising grid plate; and after seeding, the covering paper is covered on the seeding paper bearing seeds. The method comprises: sowing seeds on the seeding paper, covering the covering paper with high water absorbing performance and breathability and covering the perlite or vermiculite on the covering paper; and after the seeds germinate, the roots of the seedlings penetrate the seeding paper to grow downward to absorb water and nutrients from the nutrient solution below. When the system is used, a matrix which is adopted by the conventional industrial seeding raising technique is not used, the overall accurate control over the temperature, water, nutrient and oxygen required by plants for growth in the whole seedling raising process is realized, the industrialization of the seedling raising processis realized, and the uniformity, strong seedling rate and robust degree of the seedlings are improved.

The invention provides a submerged plant modularized growth bed and a method for recovering growth of underwater submerged plants. The submerged plant modularized growth bed comprises suspended solids, planting layers, plant layers, a growth substrate layer, a bearing layer and balance weight facilities, the submerged plant modularized growth beds are mutually connected to form an entire piece, micropores are formed in the bearing layer so that roots of the plants can penetrate through, the growth substrate layer adopts planting soil, the periphery of the planting layer is fixedly connected with the periphery of the bearing layer, the planting layers and the bearing layer wrap the growth substrate layer, the suspended solids are fixedly arranged around the submerged plant modularized growth bed, each suspended solid is hollow and is filled with air, and the balance weights are fixedly arranged at the lower end portion of the suspended solids to keep the depth of the modularized growth bed suspending on the water surface. The submerged plant modularized growth bed is reasonable in design, compact in structure, simple to manufacture, low in cost, simple to operate and convenient to manage, and the submerged plant modularized growth bed is degraded along with the growth of the underwater submerged plants, is free of pollution, protects the environment, is wide in application range, is widely popularized conveniently, and is favorable for recovery of the underwater submerged plants in different water areas.

The invention provides a novel compound microbial fertilizer containing Pulullan and polyglutamic acid and a preparation method of the novel compound microbial fertilizer. The compound microbial fertilizer comprises a microbial fermentation inoculum, compound nutrients, Pulullan and polyglutamic acid, wherein the microbial fermentation inoculum is prepared by mixing fermentation liquors of bacillus megatherium, bacillus amyloliquefaciens, bacillus thuringiensis, bacillus mucilaginosus and azotobacter chroococcum according to the mass ratio of 1: 1: 1: 1: 1; the compound nutrients comprise nitrogen, phosphorus, potassium, trace elements, organic matters and compound amino acids. By applying the microbial fertilizer, the bud ratio, the plant height and the yield of highland barley can be obviously improved, and the highland barley is excellent in taste. Furthermore, the use level of irrigation water can be reduced by 10% due to the film-forming property of Pulullan and the water-retaining property of polyglutamic acid. In addition, Pulullan and polyglutamic acid are mixed to form a liquid mulch on the surface of soil, so that the use of a plastic thin film can be reduced, an environmental protective role can be played, the labor force is alleviated, and the cost is lowered by 10-20%.

The invention belongs to the technical field of organic-inorganic compound fertilizers special for cured tobacco, and relates to an organic-inorganic compound fertilizer prepared specific to the special nutritional need and absorption rule of cured tobacco. The organic-inorganic compound fertilizer is prepared by fully and uniformly mixing an inorganic compound fertilizer (containing 10 percent of N, 10 percent of P2O5 and 25 percent of K2O) with EM (Effective Microorganism)-fermented earthworm cast (dairy manure) in the weight part ratio (3-7):(7-3). 100 kilograms of the organic-inorganic compound fertilizer are applied to every mou of tobacco field, and 70 kilograms of base fertilizer are applied to every mou of tobacoo field. The application method comprises the following steps of: performing hole application before transplanting of tobacco seedlings; performing top application by 30 kilograms/mou; and performing mixed application 25-28 days after transplanting. The organic-inorganic compound fertilizer has the advantages of persistent fertilizer effect, balanced nutrition and capabilities of improving the soil structure and water holding capacity of a tobacco field and enhancing the disease resistance of cured tobacco; the application method is consistent with the nutritional need and nutritional element absorption rule of cured tobacco; and by adopting the application method, the yield of cured tobacco can be increased, and the quality of tobacco leaves is improved.

The invention relates to a universal slow release fertilizer for sugarcane, and scientifically proposes a slow release fertilizer formula, namely N:P2O5:K2O equals to 15:10:5, suitable for wide sugarcane producing areas in China according to a nitrogen, phosphorus and potassium application principle, the nutrient status of soil of the main sugarcane producing areas in China and a fertilizer requirement law of sugarcane. In the formula, the total nutrient content is 30%. The slow release fertilizer is prepared by mixing the following raw materials according to mass ratio: 310-326 kg of urea containing 46% of N, 0-82 kg of monoammonium phosphate containing 49% of P2O5 and 9% of N, 333-556 kg of calcium magnesium phosphate containing 18% of P2O5, 83kg of potassium chloride containing 60% of K2O, 8kg of a fertilizer inhibitor, 2kg of a fertilizer synergist and 25-182kg of fillers.

The invention relates to a Paenibacillus polymyxa Jaas ed2 with the functions of disease prevention and growth promotion to crops and application thereof, and belongs to the technical field of intensive agriculture production. The bacterial strain Jaas ed2 adopted by the invention has been preserved at the General Microbiological Culture Collection Center of China Microbiological Culture Collection Administration Committee on Sep. 18th, 2012 with the preservation number of CGMCC No.6580. The bacterial strain has the antagonistic activity to verticillium lecanii of eggplant, oxysporum of watermelon and other various pathogenic fungi, can enter plants of eggplants and watermelons in case of lower concentration of bacterium for colonization and conduction in the crops, can be used for promoting growth and preventing diseases of crops, and particularly has excellent control efficiency to soil-borne vascular bundle diseases, is low in production cost, simple to operate, facilitates ecological environment protection for farmlands, and reduces pesticide residue when used as a preparation, thereby meeting requirements for production of nuisance free agricultural products in China.

The invention belongs to the technical field of a special biofertilizer for tobaccos, and relates to a no-pollution organic biofertilizer capable of inhibiting continuous cropping obstacle of flue-cured tobaccos. The organic biofertilizer is prepared by carrying out secondary biofermentation on the following raw materials in parts by weight: 5-8 parts of EM soil conditioner, 60-63 parts of wormcast (cattle), 0.5-1 part of EM stock solution and 34.5-28 parts of chlorine-free water. The invention has the advantages of high fertilizer efficiency, no adverse or side effect on soil and no pollution, can improve the structure and water retentivity of the soil, enhances the anti-disease capacity of flue-cured tobaccos, enhances the photosynthesis of flue-cured tobaccos, greatly improves the quality of tobaccos, and can obviously inhibit continuous cropping obstacle of flue-cured tobaccos. The invention has wide market prospects and good social and economic benefits in flue-cured tobacco production.

This invention discloses a soil phosphorus activation agent, which is composed of: aspergillus niger phosphorus-dissolving bacteria 35-45 wt.%, peat coal 30-35 wt.%, corn flour 8-12 wt.%, lees 6-8 wt.%, allantion 1-3 wt.%, and ammonium nitrohumate 7-9 wt.%. The soil phosphorus activation agent is produced by: preparing aspergillus Niger phosphorus-dissolving bacteria, preparing the adsorption agent, mixing, and piling. This invention provides a high-activity, high-efficiency and no pollution green agricultural product. The soil phosphorus activation agent can improve the phosphorus-supplying capacity of soil to crops, lower production cost, and increase crop productivity.

The invention relates to a polyaspartic acid bacterial fertilizer and a production method and application thereof. The polyaspartic acid bacterial fertilizer comprises polyaspartic acid or salts thereof, bacillus megatherium, colloid bacillus, bacillus licheniformis, bacillus subtilis, humic acid, and amino acid. The polyaspartic acid bacterial fertilizer can be used for improving the soil, helping crops to absorb nutrient elements including nitrogen, phosphorus, potassium and trace elements, promoting the growth of roots, reducing contamination to environment, activating the soil and reducing the use amount of the fertilizer.

The invention discloses a paddy rice NRT 1.1A gene and an application of encoded protein of the paddy rice NRT 1.1A gene to improve the plant yield in breeding. Concretely, protein or an encoded genethereof is applied to regulate the growth and development of a plant. The growth and development is reflected as the single plant yield and/or the strain height and/or grain number and/or flowering time and/or bolting time and/or size of a rosette leaf. The protein is any one of (1) protein having the amino acid sequence shown as in the sequence 1 in a sequence list; and (2) protein which is derived from the sequence 1 by replacing and/or deleting and/or adding one or more amino acid residues in and/or from and/or to the amino acid sequence in the sequence 1 in a sequence list, and is relatedto control of the growth and development of a plant. The paddy rice NRT 1.1A gene and encoded protein are of great importance in breeding of new high-yield paddy rice variety.

The invention relates to a special medium-concentration slow release fertilizer for sugarcanes. The slow release fertilizer contains nitrogen, phosphorus and potassium according to the ratio that nitrogen: phosphorus: potassium equals 20: 10: 5. The special medium-concentration slow release fertilizer disclosed by the invention can effectively improve the emergence rate, tillering rate and plant height of the sugarcanes and significantly improve the agricultural yield and sugar yield of the sugarcanes; tests prove that the yield per unit of the sugarcanes and the sugar yield of the sugarcanes are improved; and the quality of the sugarcanes is obviously improved, and the special medium-concentration slow release fertilizer is more suitable for being applied to soil with medium-concentration fertilizers in sugarcane areas in tropical and sub-tropical regions in southern China.

The invention provides a method for manufacturing a multienzyme-complex organic fertilizer by using Chinese herbal medicine. The technical proportioning scheme is that rice husk meal 30%, humic acid 30%, plant ash 19%, bone meal 10%, medical stone 3%, Chinese herbal medicine 3%, syrup 2%, saccharomycetes 1% and strain 2%. The manufacturing method comprises the following steps: (1) smashing raw materials and filtering the raw materials through a sieve with 80-100 meshes, (2) mixing filtered raw materials, the syrup 2% and the saccharomycetes 1% and adding water into mixture to perform fermentation, (3) performing pile turning for one time after fermenting for 24 hours, recovering temperature in a pile to normal temperature after 48 hours, adding the strain 2% into the pile according to the proportion and performing even mixing and package to produce organic fertilizer powder, and (4) pelletizing and packing the organic fertilizer powder according to the organic fertilizer pelletizing process, wherein organic fertilizer pellets are produce when the temperature in processing does not exceed 80 DEG C and pellet humidity is 20-30%.