86results about How to "Reduce fertilization" patented technology

A method for the removal and sequestration of ammonia nitrogen from anaerobic fermentation effluent while producing a higher BTU biogas. The method includes the steps of removing the slurry from the digester, stripping the ammonia from the slurry or portion thereof with a high BTU biogas, blending the stripped ammonia with the digesters biogas to remove the carbon dioxide and precipitate ammonium bicarbonate/carbonate as a solid while producing a high Btu biogas, a portion of which is used to strip the ammonia and CO₂ from the slurry. The process removes ammonia nitrogen from the digester effluent while producing a high Btu biogas and a solid ammonium bicarbonate/carbonate product. Ammonia stripping is accomplished with a recycled stripping gas deficient in CO₂ and ammonia that is capable of removing the CO₂ and ammonia from solution by virtue of the lower partial pressures of CO₂ and ammonia in the stripping unit.

The invention discloses an efficient multi-element compound fertilizer, which consists of hexanoic acid 2-(diethylamino) ethyl ester, polypeptide chelated potassium, polypeptide L-aspartate potassium, urea, potassium chloride, diammonium phosphate, calcium superphosphate, potassium dihydrogen phosphate, calcium-magnesium phosphate fertilizer, ammonium chloride, thiamine, zinc chloride, borax, ferrous sulphate, copper sulphate, manganese sulfate, sodium molybdate, cobalt chloride and silicon-manganese phosphate fertilizer. The efficient multi-element compound fertilizer has the advantages of promoting the growth of crops, improving the disease resistance of the crops, resisting falling, insect pests and frozen injury, improving the fertilizer effect, improving the soil, accelerating the growth of branches and leaves, reinforcing the photosynthesis, accelerating the growth of roots, enhancing the drought resistant capacity, improving the yield of the crops and improving the quality of fruits. The yield of grain crops is averagely increased by more than 26 percent, the yield of economic crops is averagely increased by more than 33 percent, and the yield of vegetable crops is averagely increased by more than 42 percent.

The invention discloses a planting method of jute in heavy-metal contaminated soil. The method comprises the following steps of: A, preparing soil and building a field, and applying passivator to reduce activity of heavy metal in the soil; B, selecting a specific jute variety with strong heavy metal contamination resistance, sowing in an enough amount at proper time to guarantee full seedlings; C, determining appropriate close planting, thinning/finally singlings in good time, and reserving enough basic seedlings; and D, intertilling/weeding in time, rationally topdressing/irrigating to culture effective strong plants; E, reinforcing prevention and control of diseases and insect pests to realize high yield of jute. By the jute planting method, the average yields of raw stems in light, medium and heavy contaminated jute fields are respectively 181.0+/-16.4, 174.9+/-15.7 and 158.5+/-15.3kg/mu, which reaches the high-yield level of the jute growing area in South China; and the content of heavy metal in raw jute can be controlled in a range of related standard limit, so that agricultural safety and effective utilization of heavy metal contaminated soil can be realized. The method is simple in technology and practical, and has wide application prospect in broad heavy metal contaminated areas.

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 fertilizer and pesticide composition for strawberries. The composition comprises an organic fertilizer, a pesticide and a filler; the organic fertilizer comprises bean cakes, rice husks, mushroom residues, traditional Chinese medicinal residues, rice bran, chicken manure, plant ash, borax and Bacillus subtilis; the pesticide comprises lime nitrogen, sulfur, pentachloronitrobenzene and phoxim; and the filler comprises peat, vermiculite and perlite. The fertilizer and pesticide composition effectively control the successive cropping obstacle of soil borne diseases, improves the soil structure, has stable and lasting fertilizer effects, and allows planted plants to be strong and have enhanced stress resistance; and organic matters contained in the composition are wastes, have wide sources, and are combined to reduce pollution of agriculture wastes to environment.

The invention provides a remediation method of alkaline soil, and relates to the technical field of soil improvement. The method comprises the steps of (1), soil preparation; (2), soil loosening agentapplication; (3), soil improving fertilizer application. According to the method, the alkaline soil is restored through the steps of soil preparation, soil loosening agent application, soil improvement fertilizer application and the like to reduce soil alkalinity, improve soil characteristics, loosen soil, increase soil fertility to gradually improve soil alkalinization, soil sterilization and fertilizer addition are conducted while the soil alkalinity is reduced, and the method is a remediation method which has the effects of alkaline soil conditioning agent and value improving and synergism.

The invention discloses a novel soilless blueberry cultivation method. The novel soilless blueberry cultivation method mainly includes the steps of container selection, medium selection and supporting drip irrigation facility construction, wherein in container selection, since blueberries belong to shallow-rooted plants and root systems of the blueberries are vertically distributed at 10-50 cm, root control devices with the diameter of 80 cm and the height of 40 cm are selected, and planting spacing is 1*2 m; in medium selection, coconut chaff with an EC value smaller than 0.8 mS/cm serves as a culture medium and is covered with rice chaff 10 cm in thickness, and blueberry seedlings are planted after the coconut chaff is soaked; in supporting drip irrigation facility construction, drip irrigation pipes 16-20 mm in diameter are adopted above the root control devices. The novel soilless blueberry cultivation method is capable of accelerating blueberry root growth remarkably, increasing the blueberry yield, controlling weeds and saving labor cost.

The invention discloses a low-phosphor stress response regulatory factor ZmPHR1, a gene for coding the protein and an application thereof, belonging to the technical field of genetic engineering and aiming at solve a problem that the phosphor utilization rate of the crops is low by a molecular breeding method. The amino acid sequence of the low-phosphor stress response regulatory factor ZmPHR1 is shown as SEQ ID NO: 2; or the sequence is replaced, deleted or added with one or more amino acid sequences, with the same function, of the amino acid. The invention further provides a gene for coding the regulatory factor ZmPHR1, wherein the sequence of the gene contains the nucleotide sequence shown as the SEQ ID NO: 1; and the invention discloses the application of the gene in plant breeding. The gene and the coding protein of the low-phosphor stress response regulatory factor ZmPHR1 provided by the invention have an important action in genetic improvement of the grains such as corns, wheat, rice and the like, and the industrial crops, and have an extensive application prospect.

The invention discloses foliar fertilizer for puer tea trees. The foliar fertilizer is prepared from the following components in parts by weight: 4 to 10 parts of fresh puer tea leaves, 8 to 21 parts of jatamans valeriana rhizome medicine residues, 8 to 21 parts of radix puerariae medicine residues, 5 to 13 parts of rhizoma dioscoreae medicine residues, 6 to 15 parts of poria cocos medicine residues, 8 to 18 parts of fructus jujubae medicine residues, 5 to 16 parts of fructus lycii medicine residues, 10 to 25 parts of Xiaoqu fen-flavor liquor vinasse and 1 to 8 parts of brown sugar. The foliar fertilizer disclosed by the invention is obtained by fermentation; the foliar fertilizer contains a large quantity of nutrient elements including amino acids, polypeptides, vitamins and the like and can be used for supplementing nutrient element deficiency caused by various factor influences; the foliar fertilizer can also be used for rapidly balancing the ecology of probiotics in the tea leaves, increasing the plant disease and insect pest resisting capability of the tea trees and improving the quality of the tea leaves; the foliar fertilizer provided by the invention is produced by adopting industrial waste materials; a preparation technology is simple and the production operability is very strong; the planting production cost of puer tea is greatly saved.

This invention provides, inter alia, commensal organisms engineered to express antibody fragments, which inhibit sperm motility or fertilization and compositions comprising the same. The present invention provides for the use of the engineered commensal organisms or compositions comprising the same as effective contraceptive means in females.

The invention relates to neutral phytase gene phyC which comes from microorganism, has enzymolysis phytic acid, phytate and a complex compound thereof and releases mineral nutrition element activity of phosphorus and the like, the optimal pH in enzymatic reaction of an expression product thereof is neutral and is suitable for genetic transformation researches on crops such as mulberry tree, corn and rice and other crops with neutral harvested products. Therefore, with the phyC gene transferred to the mulberry tree, the optimal pH in enzymatic reaction of the expression product is consistent with the pH of the mulberry leaf, in addition, the enzymatic reaction of the expression product of the phyC gene can carry out enzymolysis on the phytic acid, the phytate and the complex compound thereof to release the phosphorus, contributes to absorption and application of the phosphorus by the mulberry tree, reduces fertilization of phosphate fertilizer and pollution of the phosphate on the environment, promotes growth of the mulberry tree; in addition, neutral phytase gene phyC of the invention features relatively high enzymatic activity, approximately 10% higher than the activity of the phytase of the same kind according to measurement.

The method for making organic biological flower pots and granules from dewatered sludge, using dehydrated sludge containing organic components for plant maintenance and having a moisture content not higher than 80%, adding CaO as a curing and disinfectant, and adding degradable plant fiber substances as molding The core bone material is mixed and stirred by mixing equipment, and the sludge is solidified and sterilized, and then transported to the pressing equipment for pressing and forming, and after forming, it is naturally air-dried to become a finished product; the weight ratio of the dewatered sludge is 90% to 93% , the addition of CaO is 5% to 8%, and the addition of degradable plant fiber material is 2% to 4%.

The invention discloses an imitative wild cultivation method for multi-bud paris polyphylla under a walnut forest. The imitative wild cultivation method comprises the following steps: S1, selecting aland and carrying out land preparation; selecting a walnut forest land and cleaning weeds under trees; carrying out land preparation and pruning branches and leaves of the walnut trees; S2, planting;selecting seed seedlings obtained by second seedling emergence or vegetative propagation seedlings obtained by first seedling emergence; transplanting the seedlings into the prepared walnut forest from June to July of the next year; S3, managing; after sowing seeds, growing through natural rainwater; after seedlings of the multi-bud paris polyphylla emerge, removing the weeds in time; S4, harvesting; after cultivating for 3 to 5 years, harvesting tuber finished products of the multi-bud paris polyphylla. According to the imitative wild cultivation method disclosed by the invention, the multi-bud paris polyphylla is cultivated under the walnut forest in a wild condition imitating manner by utilizing the characteristic that the multi-bud paris polyphylla originally grows under the forest; plenty of walnut forest land resources are sufficiently utilized and a condition that the multi-bud paris polyphylla is fond of a growth environment formed by warm, shady and cool and relatively dark and moist and loose humus soil with a good water drainage effect is abided by; concentrated cultivation management can be realized through imitative wild cultivation; the yield and quality also can be improved, and large-area popularization and application are facilitated.

The invention discloses a fertilization and irrigation method for promoting rice glumous flower differentiation and reducing degradation. The method is characterized by sequentially comprising the following steps that 1, rice base fertilizer is applied in a rice field before rice seedlings are transplanted, and the total nitrogen content of the rice base fertilizer is controlled to be 90-110 kg/ha, wherein the rice base fertilizer is composed of inorganic fertilizer and organic fertilizer, the nitrogen content of the organic fertilizer accounts for 60-70% of the total nitrogen content of the rice base fertilizer, and the nitrogen content of the inorganic fertilizer accounts for 30-40% of the total nitrogen content of the rice base fertilizer; 2, after transplanting, a chlorophyll instrument is adopted for measuring the SPAD value of leaves in the tillering early stage, the four leaf stage and the second leaf stage, and the nitrogen application amount is determined according to the SPAD value for variable topdressing; 3, moisture is precisely managed according to the stage of growth and development and set minimum soil water potential. The problem that too much nitrogen is accumulated in the plants in the spike differentiation process of modern high-yield rice varieties, particularly large-panicle super hybrid rice varieties to cause reduction of the number of final kernels per spike is solved, the yield is improved, and nitrogen fertilizer consumption and water irrigation amount are reduced.

The invention relates to a method for continuously cultivating pseudo-ginseng, and the method comprises the following steps (1) land resumption preparation and soil treatment; (2) pesticides spreading; (3) film covering; (4) film uncovering; (5) seedling emergence testing; (6) fertilizer adding; and (7) sowing or germchit transplanting. After disinfection treatment is performed on soil with 98% dazomet, soil insects, soil-borne pathogenic bacteria and weeds are killed, bacterial manure, a small-molecule organic carbon fertilizer, a microbial agent and organic matter are added, and thus a function of a total nutrition library of soil can be restored. The problem that pseudo-ginseng cannot be continuously cultivated is solved, and at the same time, scientific and reasonable disinfection andfertilization methods are provided; and old land can realize continuous rotation of pseudo-ginseng, and a green development road for old land to realize continuous cropping of pseudo-ginseng is provided. In the later-period growth of pseudo-ginseng, no weeds grow on the soil, fertilization and pesticide use in the later period can be greatly reduced, the pollution of fertilization and pesticide use to the environment is reduced, at the same time, pseudo-ginseng is not prone to contract diseases, and the survival rate of seedlings can be up to 94%.

The invention relates to the field of agricultural chemistry, in particular to herbicidal fertilizer for a rice field. The herbicidal fertilizer is prepared from, in percentage by weight, 0.015%-0.5%of a herbicide, 0.1%-0.6% of an aid and carrier fertilizer, wherein the aid is prepared from an emulsifier, a dispersant, a viscosity regulator and an organic solvent; the herbicide is prepared from afirst effective ingredient and a second effective ingredient, the first effective ingredient is penoxsulam; the second effective ingredient is any two of bispyribac-sodium, fenoxaprop-p-ethyl and clomazone. The effective herbicidal ingredients in the herbicide fertilizer adopt a combination manner of three different herbicides and have complementary advantages, the herbicide controlling spectrumis enlarged, and double effects of fertilizer and the herbicide are realized. The herbicidal fertilizer integrates the herbicide and the fertilizer, has double functions of weeding and fertilizer effects by combining the herbicide and a fertilizer carrier and is labor-saving, time-saving, effort-saving and cost-saving. With the combination of the aid, the herbicidal fertilizer has excellent thermal stability, high yield and good herbicidal effects.