266 results about "Phosphorus fertilizer" patented technology

The invention relates to the technical field of fertilizer production, and discloses a water-soluble fertilizer formula based on macroelements in gobi regions and a preparation process of the water-soluble fertilizer formula. The fertilizer comprises the following components in parts by weight: 30-50 parts of a nitrogen fertilizer, 40-80 parts of a phosphorus fertilizer, 80-150 parts of a potassium fertilizer, 5-10 parts of a chelating agent, 10-20 parts of a water-retaining agent, 15-30 parts of a soil conditioner, 8-15 parts of a modified composition and 2-5 parts of a trace element composition. Comprising the following steps: S1, raw material pretreatment, S2, mixing and stirring, S3, trace element addition, S4, granulation and drying, and S5, quality detection and packaging. The proportion of the nitrogen fertilizer, the phosphate fertilizer and the potash fertilizer is reasonably adjusted, the special requirements of crops in the gobi region for macroelements are met, the soil structure in the gobi region is effectively improved, the physical property of the soil is improved, and the soil acidity and alkalinity can be adjusted.

The invention relates to the technical field of leymus chinensis planting, in particular to a method for planting leymus chinensis in a salinized sand land, which is used for interplanting mousse winterplant in an oat land. The row spacing is 80 cm, the sowing depth is 1-1.5 cm, the sowing amount is 0.5 kg / mu, sowing is carried out in line, and 27.8 kg / mu urea (N is greater than or equal to 46%) is applied as a base fertilizer. Timely irrigation. The fertilizer is applied once in spring every year. A test nitrogen fertilizer is urea (N > = 46%), a phosphate fertilizer is triple superphosphate (P2O5 > = 44%), a potash fertilizer is potassium sulfate (K2O > = 52%), and timely irrigation is carried out. According to the invention, not only is a proper fertilizer combination provided, but also the growth, development and asexual reproduction capabilities of leymus chinensis are greatly improved. The planting effect of leymus chinensis can be effectively improved, the yield and quality of leymus chinensis are improved, and good practicability is achieved. Meanwhile, the formula is economical and reasonable, and is easy to popularize and apply.

The invention relates to the field of agricultural fertilizer and soil improvement, in particular to a biochar-based slow release fertilizer for improving acidified soil and a preparation method thereof.The biochar-based slow release fertilizer is prepared from, by mass, 60 parts of a biochar system, 5-12 parts of nitrogen fertilizer, 10-18 parts of phosphate fertilizer, 5-12 parts of potash fertilizer, 5-10 parts of an acid soil modifier and 2-5 parts of a slow release film; graded release of nutrients is achieved through a multi-aperture biochar system, the release rhythm is dynamically adjusted according to soil acidity in combination with a three-layer pH response type slow-release film, the problems that existing fertilizer nutrient release is not matched with crop requirements, and the persistence of acidified soil improvement is poor are solved, the pH and buffer capacity of acidified soil can be improved, the nutrient utilization rate is increased, and the soil quality is improved. And most of the raw materials are agricultural and forestry wastes and industrial byproducts, so that the soil conditioner meets agricultural requirements, is suitable for acidified soil, and has a wide application prospect.

The invention belongs to the technical field of biochar oxygen-releasing materials, and particularly relates to a biochar-based oxygen-releasing material for gleying soil improvement as well as a preparation method and application of the biochar-based oxygen-releasing material. The biochar-based oxygen release material is a CaO2 at phosphorus-rich biochar material obtained by taking modified phosphorus-rich biochar as a carrier and combining with calcium peroxide, and has remarkable beneficial effects in the field of gleying rice field improvement. According to the biochar-based oxygen release material, the mass fraction of calcium peroxide is remarkably increased, so that the oxygen release function of the material is enhanced, and the biochar-based oxygen release material has important significance for improving the ventilation condition of a rice field and promoting the growth of a rice root system. In the preparation process, raw materials such as dimethylbenzene and polyethylene which may cause soil pollution and ecological problems are avoided, and the environment-friendly concept is embodied. Meanwhile, the modified biochar not only serves as a carrier to improve the loading capacity of calcium peroxide, but also has the function of releasing a phosphate fertilizer, and is beneficial to improvement of the soil fertility of the rice field and increase of the rice yield.

The invention discloses a planting method for promoting growth of eucalyptus root systems and effectively improving typhoon resistance. The planting method comprises the following steps: (1) selecting a forest land; (2) forest land cleaning; (3) planting density; (4) digging planting pits; (5) applying a bottom-layer bag-controlled slow-release fertilizer; (6) applying a base fertilizer; (7) field planting; (8) applying a shallow-layer bag-controlled slow-release fertilizer; (9) complementary planting; and (10) topdressing. According to the technology, bag-controlled slow-release fertilizers with different slow-release time are applied in different places, nutrients are continuously supplied to plants under deep root systems and around shallow root systems within a certain time range, volatilization, leaching loss and permeation of nitrogen fertilizers, fixation of phosphate fertilizers and migration loss of potash fertilizers can be reduced to the maximum extent, and the utilization rate of the fertilizers is increased. Meanwhile, through the fertilizer taxis of the eucalyptus root systems, extending growth of deep root systems and shallow root systems is guided, the grabbing and attaching force of the eucalyptus is improved, and therefore the typhoon resistance of the eucalyptus is effectively improved.

The invention discloses a method for optimizing the fertilization amount of astragalus mongolicus. The method comprises the following steps: dividing land parcels, applying base fertilizer, transplanting astragalus membranaceus, applying nitrogen fertilizer, phosphate fertilizer and potash fertilizer in different dosages to astragalus membranaceus in each land parcel, sampling in the growing period, and measuring astragalus membranaceus root length, root diameter, underground part dry weight, astragaloside content and calycosin-7-glucoside as astragalus membranaceus quality indexes. According to the method, the total yield of astragalus mongholicus is measured in the harvesting period to serve as the yield index of astragalus mongholicus, a comprehensive membership function method is combined with a fertilizer effect equation to optimize the fertilization proportion, and the obtained optimal fertilization formula is that the fertilization amount proportion of N: P: K is 1: 1.5: 2.2, and the element proportion of N: P: K is 5: 2: 12. The yield and quality of astragalus membranaceus can be improved, and popularization significance is achieved.

The invention provides an organic liquid suspension fertilizer as well as a preparation method and application thereof. Comprising the following components in parts by weight: 10-15 parts of chitosan mother liquor, 12-16 parts of amino acid fermentation mother liquor, 23-27 parts of gibberellin mushroom dreg fermentation liquor, 30-35 parts of vinasse fermentation liquor, 5-10 parts of potassium humate, 1-3 parts of a surfactant, 12-15 parts of a nitrogen fertilizer, 10-14 parts of a phosphate fertilizer, 26-31 parts of a potassium fertilizer, 3-8 parts of a trace element mixture and 35-40 parts of small molecule water. The organic liquid suspension fertilizer prepared by the invention can be used as a crop fertilizer, especially can improve the quality of potatoes and the yield and sugar content of beet, and reduces brown spot.

The invention belongs to the technical field of medicago ruthenica reseeding, and discloses a method for reseeding medicago ruthenica in degraded alpine meadow, which comprises the following steps: selecting a proper area and grassland; selecting medicago ruthenica seeds; carrying out hardening treatment; applying phosphate fertilizer and nitrogen fertilizer; no-tillage reseeding is carried out; and performing management after reseeding. According to the method, a certain amount of medicago ruthenica is resown, and a certain amount of fertilizer is applied, so that the proportion of leguminous forage in the degraded alpine grassland community can be increased, the grassland vegetation coverage can be improved, the forage quality can be improved, the nutrition of nitrogen and phosphorus in grassland soil can be increased, and the utilization and circulation of nitrogen and phosphorus in a grassland ecosystem can be promoted; the grassland coverage and yield are improved, grassland nutrition and soil fertility are improved, and the method plays an important role in animal husbandry production and stability and sustainability of a grassland ecosystem and has a wide application prospect. The technology is simple to operate, low in cost and easy for large-area popularization.

The invention relates to the technical field of water-soluble fertilizers, in particular to a water-soluble organic fertilizer and a preparation method and application thereof.The water-soluble organic fertilizer is prepared from, by mass, 40-100 parts of basic organic raw materials, 5-15 parts of microbial fermentation additives, 10-20 parts of nutrient element supplements and 3-7 parts of synergists; the microbial fermentation additive comprises a compound microbial agent and a microbial growth carrier, the nutrient element supplement comprises a nitrogenous fertilizer, a phosphatic fertilizer, a potash fertilizer and medium trace elements, and the synergist comprises fulvic acid and alginic acid. According to the water-soluble organic fertilizer and the preparation method and application thereof, efficient utilization and accurate supply of nutrients are achieved, the growth requirements of crops in plant factories are met, meanwhile, resource utilization of organic waste is promoted, and sustainable development of the plant factories is promoted.

The invention discloses a special microbial fertilizer for cotton and a preparation method thereof, and belongs to the technical field of microbial fertilizers. The fertilizer is prepared from the following raw materials in parts by weight: 40-60 parts of a microbial agent, 80-100 parts of a microbial agent carrier, 40-60 parts of a nitrogen fertilizer, 30-50 parts of a phosphate fertilizer, 20-30 parts of a potassium fertilizer and 10-20 parts of a stabilizer, the microbial agent is prepared from nitrogen-fixing paenibacillus mucilaginosus MSSW01, bacillus nissi and streptomyces widermomole, and the microbial agent is prepared from bacillus mucilaginosus MSSW01 and streptomyces widermomole. The stabilizer is prepared from roxburgh rose extract, soybean protein isolate and gamma-aminobutyric acid according to the mass ratio of 2: 1: (0.2-0.5). By screening and optimizing three beneficial microbial strains and combining the synergistic effect of raw material components in a specific ratio, the yield and quality improvement of cotton can be remarkably promoted, and meanwhile, the occurrence rate of common diseases of cotton is effectively reduced.

The invention relates to the technical field of land improvement, in particular to a multifunctional saline alkali soil conditioner and application thereof. The multifunctional saline-alkali soil conditioner comprises an inorganic nitrogen-phosphorus fertilizer, mixed acid, potassium humate, an organic material, organic silicon, a microbial inoculum, mineral powder and a synergist. The multifunctional saline-alkali soil conditioner prepared from the components can condition the physical structure of soil, reduce salt and remove alkali, promote formation of granular structures, promote robust growth of crops, enhance stress resistance and improve yield and quality. A basis is provided for harmless improvement of the saline-alkali soil.

The invention discloses application of a phosphorus-solubilizing fungus solid bacterial fertilizer in promoting crop growth, and belongs to the field of environment and the technical field of agriculture. The solid bacterial fertilizer comprises penicillium deserticola and / or penicillium fistulosum, the penicillium deserticola and / or penicillium fistulosum are compounded according to the proportion of 1: 1, agricultural waste mushroom bran serves as a main carrier, and the inoculum size of a bacterial solution is 9 wt%. The bacterial fertilizer can effectively activate insoluble phosphorus in soil, significantly improve absorption and utilization of phosphorus by crops, promote plant growth, increase root length and biomass, increase leaf chlorophyll content, enhance photosynthesis capability, reduce dependence on chemical phosphate fertilizer and realize agricultural waste recycling, and has the advantages of high efficiency, environmental protection and low cost.

The invention provides an organic-inorganic-microbial composite water and fertilizer retention soil conditioner and a preparation method thereof. The organic-inorganic-microbial composite water and fertilizer retention soil conditioner comprises an organic material, a microbial agent and composite phosphate fertilizer slow-release carboxylated modified hydrogel microbeads (inorganic material), the compound phosphate fertilizer slow-release carboxylated modified hydrogel microbeads are mixed with organic materials such as humic acid and a microbial agent, so that the phosphorus slow-release effect and the soil water absorption and retention effect are further improved, and the compound phosphate fertilizer slow-release hydrogel microbeads have high water absorption and retention and fertilizer slow-release functions, can effectively improve soil, increase the soil water retention and phosphate fertilizer effectiveness, improve the enzyme activity of the soil and improve the fertilizer utilization rate. Soil moisture and fertility loss is reduced; the raw materials are wide in source, low in cost, safe and harmless, the preparation process is simple, and the prepared soil conditioner is harmless to the soil environment, has high water absorption and water retention and a fertilizer slow release function, can effectively improve soil and can be used for enhancing the water retention and physicochemical properties of the soil.

The invention discloses a high-calcium suspension fertilizer as well as a preparation method and application thereof, and relates to the technical field of chemical fertilizer production, the high-calcium suspension fertilizer comprises the following components in parts by weight: 20-30 parts of a macroelement fertilizer, 10-15 parts of a medium element fertilizer, 3-5 parts of a microelement fertilizer, 0.5-3 parts of an auxiliary agent and 30-50 parts of deionized water; the macroelement fertilizer is prepared from 30-50 parts of nitrogen fertilizer, 20-30 parts of phosphate fertilizer and 15-20 parts of potash fertilizer; the medium element fertilizer is modified nano calcium carbonate and magnesium carbonate; the trace element fertilizer is prepared from zinc amino acid, sodium tetraborate, ferric sodium ethylenediaminetetraacetate, molybdenum sodium ethylenediaminetetraacetate, manganese sulfate monohydrate and copper sulfate pentahydrate. Therefore, the nano calcium carbonate can be quickly absorbed by the plants, so that calcium ions can be supplemented in time in the growth process of the plants, and the growth of the plants is accelerated.

The present invention provides an environmentally friendly slow-release compound fertilizer, aiming to provide an environmentally friendly slow-release compound fertilizer with controllable release rate and high cost-effectiveness. The compound fertilizer is composed of calcium magnesium phosphate fertilizer, urea, potash fertilizer, monoammonium phosphate, borax, zinc sulfate, glycine iron, ammonium molybdate, glycine copper, liquid ammonia, sulfuric acid, liquid paraffin and a slow-release agent, wherein the potash fertilizer is one or two of potassium sulfate and potassium chloride. The present invention also provides a preparation method of an environmentally friendly slow-release compound fertilizer, comprising four steps of preliminary coating, uniform mixing, secondary coating granulation and fluidized bed reaction film formation. The slow-release agent is composed of castor oil, polyoxypropylene triol, polymerized MDI and modified silicon dioxide, and the modified silicon dioxide is obtained by specific chemical treatment. The environmentally friendly slow-release compound fertilizer has the advantages of uniform nutrient release, long effective release period, and environmental friendliness, is suitable for improving fertilizer utilization and reducing environmental pollution, and has good market application prospects.

The invention relates to the technical field of soil ecological restoration and farmland cultivation management, in particular to an ecological regulation and control method for synergistically reducing compound obstacles of yellow soil rice-oil rotation cropland. The method is implemented by stages according to agricultural time: S1, mixing crushed straw, a composite functional microbial agent, a decomposed organic fertilizer and a calcium magnesium phosphate fertilizer into 0-15cm before rice transplanting; s2, after the rice is harvested, deep scarification is conducted by 20-25 cm, and a ridge culture structure is constructed; s3, interplanting astragalus sinicus after the ridges are built and before the oilseed rape is sown; s4, after the oilseed rape is harvested, the oilseed rape straw and the astragalus smicus are turned and pressed by 20-25 cm, lime is applied, and high water holding capacity is maintained in a short time; and S5, interannual circulation. Through microorganism-structure-nutrient coupling, thin, plate and sticky yellow soil is relieved synergistically, aggregate and air permeability are improved, root growth is promoted, and stable yield is increased.

The invention relates to the technical field of agricultural fertilizers, and discloses a special formula fertilizer for increasing the yield of spring corn, which comprises the following components in percentage by weight: 15-25% of nitrogen fertilizer, 20-35% of phosphate fertilizer, 20-35% of potash fertilizer and 1-2% of molybdenum-based catalyst, and also discloses a preparation method of the special formula fertilizer for increasing the yield of spring corn. Comprising the following steps: S1, mixing a nitrogen fertilizer, a phosphate fertilizer, a potash fertilizer and trace elements, and granulating by using a fluidized bed granulator, and discloses an application method of the special formula fertilizer for spring corn yield increase, and the application method comprises the following steps: base fertilizer application: 7-10 days before sowing, the fertilizer is uniformly spread, and the application amount per mu is 40 kg. By reasonably configuring the proportion of nitrogen, phosphorus and potassium and combining a nitrogen trapping catalyst, nitrogen-fixing microorganisms and a controlled-release material, the nutrient utilization rate is increased, the nitrogen loss is reduced, the stress resistance of crops and the soil health are enhanced, and the corn yield and the environmental protection property and the use efficiency of the fertilizer are remarkably improved.

The invention belongs to the technical field of fruit tree cultivation, and particularly relates to a nutritional bacterial fertilizer and application thereof in continuous cropping orchard planting. The nutritional bacterial fertilizer provided by the invention comprises a nitrogen fertilizer, a phosphorus fertilizer, a potassium fertilizer, a calcium fertilizer, an organic fertilizer, bacillus subtilis and trichoderma harzianum, and the organic fertilizer can improve the content of organic matters in soil; probiotic fungi (trichoderma harzianum) and probiotic bacteria (bacillus subtilis) are cooperatively applied, so that the absorption of mineral nutrition by the root system of the fruit tree can be promoted, and pathogenic fungi are prevented from infecting the root system of the fruit tree; meanwhile, antibiotic substances capable of inhibiting growth of bacteria, viruses, fungi and pathogens can be generated, and the effect of killing harmful microorganisms in soil is achieved; on the basis of optimizing the proportion of a conventional nitrogen-phosphorus-potassium formula, the calcium nutrition proportion is added, the formula is scientific and accurate, the main problems of serious physiological diseases, quality reduction and the like of apple fruits are solved, the utilization rate of tree body nutrients is remarkably increased, and the fruit quality is remarkably improved.

The invention relates to the technical field of water-soluble fertilizer production, in particular to a slow-release polyglutamic acid water-soluble fertilizer and a preparation method thereof. The slow-release type polyglutamic acid water-soluble fertilizer is prepared from the following raw materials in parts by mass: 2 to 10 parts of polyglutamic acid master batch, 18 to 28 parts of nitrogen fertilizer, 12 to 22 parts of phosphorus fertilizer, 15 to 20 parts of potassium fertilizer, 4 to 16 parts of medium trace elements, 9 to 15 parts of polyglutamic acid fermentation liquor and 35 to 60 parts of slow-release coating agent, the slow-release coating agent comprises the following raw materials in parts by mass: 6-13 parts of lecithin, 2-4 parts of sodium thiosulfate, 8-18 parts of vegetable oil and 19-40 parts of a zinc oxide-loaded cellulose / chitosan-based composite material; according to the slow-release type polyglutamic acid water-soluble fertilizer and the preparation method thereof, the polyglutamic acid water-soluble fertilizer is subjected to coating treatment, so that nutrients in the fertilizer can be slowly and continuously released, the effective supply time of the nutrients is prolonged, and the utilization rate of the fertilizer is increased.

The invention discloses a preparation and use method of a microbial inoculum for promoting ecological restoration of degraded grassland. The microbial inoculum for promoting the ecological restoration of the degraded grassland is piriformospora indica. The method comprises the following three key steps: 1) activation and culture of piriformospora indica and preparation of fermentation liquor; (2) preparing piriformospora indica application liquid on site according to the volume ratio of fermentation liquid to water of 1: 10; and 3) spraying an application liquid on the ground after raining in June to July, and applying a nitrogen fertilizer and a phosphate fertilizer in a combined manner. The piriformospora indica preparation disclosed by the invention can promote nutrient absorption of grassland plant roots, improve the nutrient utilization rate and enhance the stress resistance of plants, so that the restoration of degraded grassland is promoted.

The invention relates to the field of organic fertilizer production, in particular to an organic fertilizer, organic fertilizer production equipment and an organic fertilizer production method.The method comprises the following steps that firstly, organic fertilizer raw materials are introduced between two processing cavities; 2, the organic fertilizer raw materials are stirred through a stirring mechanism, and gas is introduced into the organic fertilizer raw materials in the stirring process of the stirring mechanism; 3, the organic fertilizer raw materials are kept fluffy in the mixing process; the invention relates to an organic fertilizer, which comprises the following raw materials by weight: 20-22 parts of straw; 15 to 18 parts of animal waste; 5-8 parts of plant ash; 2-6 parts of phosphate fertilizer, 5-8 parts of potash fertilizer and 2-6 parts of nitrogen fertilizer.

The invention discloses a method for interplanting vicia villosa with ecological balance in an orchard. The method comprises the following steps: (1) selecting the orchard; (2) orchard cleaning and soil preparation; (3) treatment before sowing: soaking the vicia villosa seeds with warm water of 60 DEG C for 10-12 hours until the seeds are broken and germinated; (4) sowing time and sowing quantity: sowing in spring or autumn, wherein the sowing quantity per mu is 2.6-3.4 kg; (5) planting method: deeply ploughing soil, applying barnyard manure and phosphate fertilizer before sowing, controlling the line spacing of drill sowing to be 30-45 cm, and covering soil and pressing after uniformly sowing; (6) water and fertilizer management: watering and fertilizing after sowing, and dressing plant ash or phosphate fertilizer for 1-2 times in the growing period. The method can increase soil nutrients, improve the soil structure, preserve water and fertilizer, reduce the application of chemical fertilizers and pesticides, improve the ecological environment of the orchard, promote the growth of fruit trees, improve the yield and quality of fruits, and enhance the stability and sustainability of the ecological system of the orchard.

A system of integrated water and fertilizer planting and industrial collaboration for a terraced field in an ecologically fragile area includes a hardware part, a software part, a water balance and osmosis model, a water and fertilizer optimization and adjustment model, and an industry collaboration model. The hardware part includes a terraced field intelligent irrigation equipment, soil moisture sensors, a meteorological station, a fertilizer application device, an underground water storage system, and a solar power supply. The system introduces the water balance and osmosis model to effectively manage water resources in terraced field. By integrating data from the soil sensors and meteorological station, it automatically optimizes the methods of irrigation and fertilization, preventing water waste and soil erosion. The water and fertilizer optimization and adjustment model can dynamically adjust the application of nitrogen, potassium, and phosphorus fertilizers based on real-time environmental data and crop requirements.

The invention provides a method for preparing phosphorus-rich biochar through sludge pyrolysis-calcination two-step heat treatment, and belongs to the technical field of harmless treatment and resource utilization of municipal sludge. The preparation method comprises the following steps: (1) heating and drying municipal sludge, grinding, crushing and sieving to obtain sludge particles; (2) pyrolyzing the sludge particles in the step (1) in a microwave pyrolysis device, and cooling to obtain sludge semicoke; and heating and calcining the sludge semicoke in the step (2) in a nitrogen or carbon dioxide atmosphere, and cooling to obtain the phosphorus-rich biochar. Compared with commercial activated carbon, the phosphorus-rich biochar prepared by the method disclosed by the invention is rich in a large amount of phosphorus element, the source is more environment-friendly, and the harm caused by mass production and accumulation of municipal sludge is solved; the phosphorus-rich biochar disclosed by the invention is more practical, can be applied to grassland gardens instead of phosphate fertilizer, or can be mined as a phosphate ore source instead of phosphate ore.

The invention discloses a nitrogenous fertilizer for cigars, a fertilizer and application. A nitrogenous fertilizer for cigars comprises a nitrate nitrogenous fertilizer and an ammonium nitrogenous fertilizer, and the molar ratio of the nitrate nitrogenous fertilizer to the ammonium nitrogenous fertilizer is (0.66-1.50): 1. The nitrate nitrogen fertilizer is potassium nitrate and / or calcium nitrate, and the ammonium nitrogen fertilizer is ammonium bicarbonate. The molar ratio of the nitrate nitrogen fertilizer to the ammonium nitrogen fertilizer is 1: 1. The invention also provides a fertilizer for cigars. The fertilizer comprises any nitrogen fertilizer for cigars. The fertilizer comprises the following components in parts by weight: 20-60 parts of decomposed oil cake, 20-40 parts of nitrogen fertilizer, 10-30 parts of phosphate fertilizer and 30-60 parts of potash fertilizer. The thoroughly decomposed oil cake is a thoroughly decomposed sesame cake. The nitrogenous fertilizer can improve the soil environment of the tobacco plant root zone, is beneficial to increasing the content of acid phosphatase in the soil, promotes the root development of the tobacco plant, increases the number of effective leaves, and can balance chemical components in cigar leaves.

The invention relates to a planting method for covering rice with a biodegradable film in a cold region. Comprising the following steps: (1) dry seedling raising: sowing 20-30g of seeds in each square meter of seedbed by adopting drill sowing or broadcast sowing; (2) preparing a compartment surface, turning over the soil, and loosening the soil; (3) applying a base fertilizer at one time, and applying 7-8 kg / mu of a nitrogen fertilizer, 2-4 kg / mu of a phosphate fertilizer, 3-5 kg / mu of a potassium fertilizer and 1.0-1.5 kg / mu of a zinc fertilizer to the compartment surface; (4) covering a film on the compartment surface, and covering a biodegradable film to be tightly attached to the soil 2-3 days after the fertilizer is applied; (5) transplanting plantlets: transplanting the plantlets when 3-4 true leaves grow on each seedling; (6) water management: after rice transplanting, water is kept in furrows, and no water exists on film surfaces; drying the field in the vigorous tillering stage; (7) timely harvesting. The growth conditions of heat tension, short rice growth period and limited yield potential in the northeast cold region in China are solved, temperature increasing, water retention and fertilizer saving can be achieved, and the comprehensive benefits of rice planting in the northeast cold region are improved.

The invention discloses a corn and soybean strip-shaped composite planting method, and belongs to the technical field of agricultural planting. Comprising the following steps: step 1, preparing land: crushing the soil by using mechanical equipment, and uniformly releasing a nitrogen-phosphorus fertilizer into the dry land; 2, ridging and film mulching are conducted, after land preparation is completed, ridging is conducted, the ridge width is 160 cm, the ditch width is 60 cm, and the ridge height is 20 cm; a biodegradable weeding mulching film is selected as the mulching film; step 3, sowing management: corn sowing operation is carried out in late May, soybean sowing operation is carried out in mid-late June, and a planting mode is corn and soybean intercropping planting; the corn is planted on the ridge edge, and the soybean is planted on the ridge; 4, harvesting management, wherein harvesting is conducted after the corn and the soybeans are mature. The mulching film is covered with a biodegradable weeding mulching film; in the composite planting process, a continuous weeding barrier can be formed, weed growth is remarkably inhibited, and the defects of mechanical weeding and chemical weeding in the prior art can be overcome.

The invention belongs to the technical field of water-soluble composite bio-organic fertilizers, and discloses a micromolecular carbon total-nutrient composite bio-organic fertilizer for conditioning soil and a preparation method of the micromolecular carbon total-nutrient composite bio-organic fertilizer. The organic fertilizer is prepared from the following raw materials in parts by mass: 40 to 48 parts of coal, 4.3 to 7 parts of nitric acid, 8.5 to 13 parts of potassium hydroxide, 20 to 35 parts of nitrogen fertilizer, 6.5 to 10 parts of phosphate fertilizer, 0.3 to 0.6 part of dispersing agent, 1.2 to 2.0 parts of amino acid, 0.04 to 0.08 part of trace element and 0.25 to 0.55 part of fungus bag. The prepared organic water-soluble fertilizer is high in humic acid content which is more than 4 times of the existing industrial standard NY1106-2010, good in water solubility, convenient to use, capable of being applied in a flushing mode, a drip irrigation mode, a spray irrigation mode, a flying prevention mode and the like, simple in technological process, free of dust, waste water, waste gas and waste residues in the production process, environmentally friendly, efficient, easy to operate and suitable for large-scale industrial production.

This invention relates to the field of fertilizer technology, specifically to a disease-resistant microbial compound fertilizer and its preparation method. The disease-resistant microbial compound fertilizer comprises the following raw materials in parts by weight: 10-15 parts nitrogen fertilizer, 10-20 parts phosphorus fertilizer, 6-10 parts potassium fertilizer, 50-70 parts fermented organic matter, 8-12 parts fertilizer efficiency enhancer, 5-8 parts disease-resistant composition, and 6-10 parts chitosan oligosaccharide. The disease-resistant composition is a mixture of sodium selenite and potassium humate in a weight ratio of 1:1.5-2.5. The microbial compound fertilizer prepared by this invention not only achieves a combination of rapid and long-lasting effects, improving fertilizer utilization, but also increases organic matter, activates fixed phosphorus and potassium elements in the soil, and improves the micro-ecological environment. Furthermore, through the synergistic effect of Trichoderma harzianum inoculum, Paecilomyces lilacinus, the disease-resistant composition, and chitosan oligosaccharide, it exhibits good inhibitory effects on soil-borne diseases and some foliar diseases, promoting robust crop growth and improving both crop yield and quality.

The invention relates to the technical field of water-soluble fertilizers, in particular to a composite macroelement water-soluble fertilizer and a preparation method of the composite macroelement water-soluble fertilizer. Comprising the following components in parts by mass: 15-20 parts of a water-soluble nitrogen fertilizer, 25-40 parts of a water-soluble potassium fertilizer, 17-22 parts of a water-soluble phosphate fertilizer, 7-15 parts of a medium element nutritional agent, 0.2-0.8 part of a trace element nutritional agent, 8-12 parts of a nutrition enhancer, 3-9 parts of a chelating agent, 0.3-1 part of a chelating aid and 0.1-0.5 part of a wetting agent. The compound macroelement water-soluble fertilizer provided by the invention can effectively improve the utilization rate of nutrients and improve the yield and quality of crops.