30results about How to "Reduce salt-alkali hazards" patented technology

The invention relates to a soil improvement slow-release compound fertilizer and a preparation method thereof. The compound fertilizer is prepared from the following raw materials by weight: 30-40 parts of zeolite, 10-15 parts of corn cob, 10-15 parts of wheat straw, 5-10 parts of animal dung, 5-8 parts of plant ash, 9-11 parts of oyster powder, 10-13 parts of seaweed meal, 3-5 parts of humic acid, 7-10 parts of urea, 8-10 parts of alginate, 3-5 parts of potassium sulfate, 3-5 parts of ammonium dihydrogen phosphate, 3-5 parts of potassium phosphate, 3-5 parts of sodium silicate, 3-5 parts of calcium chloride, 3-5 parts of potassium nitrate, 1-2 parts of trace elements, 1-2 parts of vitamin, and 10-15 parts of amino acid powder. The soil improvement slow-release compound fertilizer provided by the invention has a simple making method, can improve soil, maintain soil water content, activate rapid propagation of soil microorganisms, and reduce soil saline-alkali harms, also can control slow release of the elements, and the coating material is biodegradable, thus protecting the environment.

The invention provides a humic acid-type calcium-magnesium-sulfur soil conditioner. The soil conditioner takes 17-30wt% of humic acid, 50-67wt% of desulfurized gypsum, 2-4wt% of ammonium sulfate, 2-3wt% of urea, and 7-13wt% of a magnesium fertilizer as the raw materials for processing and production. According to the requirements of the soil conditioner, a organic matter content is greater than or equal to 15.0%, total nitrogen is greater than or equal to 2.0%, calcium oxide is greater than or equal to 13.0%, magnesium oxide is greater than or equal to 2.0%, sulfur is greater than or equal to 8.0%, a water content is less than or equal to 15.0%, and the pH of the soil conditioner is 4-6.5. The soil conditioner of the invention contains abundant organic matters, active groups, available nitrogen, exchangeable calcium, magnesium and easily absorbable sulfur element. While improving saline-alkali soil, the soil conditioner can provide nitrogen and calcium, magnesium, sulfur as well as other secondary elements to crops in a balanced way. The soil conditioner provided in the invention can significantly improve the physiochemical properties of saline-alkali soil, promote crop growth, as well as improve and enhance crop quality and yield.

The invention discloses a selenium-rich bio-organic fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers, wherein the selenium-rich bio-organic fertilizer isprepared by using livestock and poultry manure, lees residue, furfural residue, diatomaceous earth, a compound microbial agent, a soil conditioner, sodium selenite, polylactic acid / glycolic acid nanometer microspheres and a synergist as raw materials. According to the present invention, livestock and poultry manure, lees residue, furfural residue and other organic matters are used as the matrix, such that the complete nutrients are provided for crops; sodium selenite is used as the selenium source to provide selenium for crops, and polylactic acid / glycolic acid nanometer microspheres are addedto effectively and completely adsorb nutrients and selenium so as to achieve sustained release and avoid contamination of selenite to soil; by adding polyaspartic acid and rhamnolipid as the synergist, the efficient absorption of selenium by crops can be promoted; the added microbial agent can control the soil-borne fungi and bacterial diseases of various crops; and the product can effectively adjust the soil structure and improve the soil condition.

The invention discloses an oil sunflower special fertilizer based on soda saline soil. The oil sunflower special fertilizer is prepared by blending the following components serving as raw materials in parts by weight: 10-30 parts of biochemical fulvic acid, 5-15 parts of magnesium slag, 5-15 parts of pyrite cinders, 5-20 parts of sunflower seed cake meals, 10-30 parts of urea, 10-15 parts of ammonium sulfate, 10-20 parts of ammonium phosphate, 10-30 parts of potassium sulfate, 1-5 parts of zinc sulfate, 1-5 parts of manganese sulfate, 1-5 parts of poly-boron and 1-5 parts of a granulation binder. According to the oil sunflower special fertilizer disclosed by the invention, aiming at the characteristics of strong alkalinity, high degree of alkalization and poor physical and chemical properties of the soda saline soil, and considering a nutritional requirement rule of oil sunflowers, organic and inorganic matters are combined together, macro-elements are combined with medium elements and microelements, the nutrition is overall and balanced, the nutrition necessary for the whole growth stages of the oil sunflowers can be provided, meanwhile, the pH value of the soda saline soil is reduced, the soil structure is improved, and the soil fertility is improved, so that the output and quality of the oil sunflowers are significantly improved.

The invention relates to a soil preparation method for improving the production performance of soil in a sandy soil matrix greenhouse. According to the method, field soil is partially added in a pure sandy soil farming layer, the three-dimensional structure that sand is covered with soil, soil is coated with fertilizer and ridges are high is formed, and the pure sandy soil productivity is greatly improved. Based on the soil dressing principle, the good rooting performance, moisture and fertilizer retention performance, buffer performance, biological performance and nutrient performance of the field soil are kept, the pure sand layer is utilized for cutting off surface layer soil capillary force, the humidity in the greenhouse is lowered, and therefore diseases caused by high humidity in the greenhouse are greatly reduced. The soil temperature of the farming layer in winter is increased due to the fact that the ridges are high, and therefore the growth of vegetable root systems is promoted. Accordingly, the soil production performance and the vegetable output are greatly improved.

The invention discloses a method for planting rice in a saline-alkali land of the Yellow River irrigation district. The method comprises the steps that (S1) seedling culture is carried out; (S2) calcium sulfate powder is scattered in a ploughed and stirred saline-alkali paddy field with loose and soft soil, ploughing and stirring are conducted again, the paddy field is leveled, water is injected till the water level is 5-10 cm higher than the flat soil surface, and field steeping is continued for 7-10 days; (S3) water accumulated on the field surface is discharged, washing with flowing water is conducted for one time, a soil conditioner is applied, ploughing and leveling are conducted again, water is injected till the water level is 3-7 cm higher than the water surface, and rice seedlings are inserted; and (S4) additional fertilizers are applied periodically to supplement rice nutrients till the rice gets mature. The method for planting the rice in the saline-alkali land of the Yellow River irrigation district disclosed by the invention has the advantages that operations are simple; the programming degree is high; promotion is easy; the planting cost is low; soil salinization can be improved; a soil pH value can be reduced; soil fertility can be increased; and the yield of the rice planted in the saline-alkali land can be increased by 20%-30%.

The invention relates to a soil improver containing coconut chaff and a preparation method thereof, and relates to a soil improver. The soil improver containing the coconut chaff comprises the following components by weight percent: 0.75 to 0.92 percent of coconut chaff, 0.05 to 0.1 percent of diatomite, 0.01 to 0.05 percent of polyaspartic acid, 0.01 to 0.05 percent of humic acid, 0.005 to 0.03 percent of polyacrylamide and 0.005 to 0.02 percent of boric acid. The preparation method comprises the following steps: (1) dissolving polyacrylamide, polyaspartic acid and boric acid in water to obtain a mixed solution; (2) uniformly mixing powdered coconut chaff, diatomite and humic acid to obtain a solid powdered mixture; (3) spraying the mixed solution obtained in the step (1) into the solid powdered mixture obtained in the step (2), mixing, and air-drying to obtain the soil improver containing the coconut chaff. The production cost is low, raw materials are environmentally friendly and non-toxic, the secondary salinization and hardened soil can be effectively improved, and the productivity of the earth can be restored and improved.

The invention relates to soil activating remediating fertilizer and a preparation method thereof. The soil activating remediating fertilizer is prepared from the following raw materials in parts by weight: 30 to 40 parts of sugar beet, 10 to 15 parts of aloe, 10 to 12 parts of tea leaves, 6 to 8 parts of pomegranate peel, 20 to 25 parts of complex enzyme, 3 to 5 parts of pleurotus ostreatus trichoderma viride, 3 to 5 parts of bacillus megaterium, 3 to 5 parts of kaoline, 2 to 4 parts of zeolite, 2 to 4 parts of sepiolite, 1 to 2 parts of bentonite, 0.5 to 1 part of zinc sulfate and 0.5 to 1 part of ferrous sulphate; the preparation method comprises the steps of preparing materials, extracting, drying, mixing, fermenting, drying, mixing and filling finished products. The soil activating remediating fertilizer and the preparation method thereof have the advantages that not only can the crop yield and the crop quality be effectively improved, but also soil microorganisms can be activated for rapid propagation, antibiotic, antimicrobial and auxin can be generated by secretion, harmful microorganism reproduction is inhibited, contaminated lands can be remediated and improved, and saline-alkali harms of soil can be reduced.

The invention discloses a method for improving a base material of saline-alkali soil by utilizing aquaculture sludge. The method comprises the following steps: S1, preparing an aquaculture sludge mixture from the following components in parts by weight: 50-80 parts of aquaculture sludge, 10-20 parts of tea leaf residues, 8-10 parts of polymaleic anhydride, 14-18 parts of dead leaves, 4-8 parts of calcium bentonite and 10-20 parts of earthworm cast; S2, flattening a saline and alkaline land and deeply plowing for 40cm-60cm by a deep plowing machine; then irrigating with water; S3, uniformly scattering aeolian sandy soil on a soil surface which is subjected to flattening cultivation for the first time, wherein the use amount is 20-30 cubic meters per Mu; then uniformly scattering the aquaculture sludge mixture prepared in the step S1 on the surface of the aeolian sandy soil, wherein the use amount is 15-25 cubic meters per Mu; and finally, continually plowing for two times by utilizing a rotary cultivator, wherein the depth is 20cm-40cm. According to the method provided by the invention, the aquaculture sludge is used for improving the base material of the saline-alkali soil and wastes are utilized, so that the influences on aquatic products, caused by the fact that the aquaculture sludge cannot be treated, are solved, and the base material of the saline-alkali soil is improved.

The invention discloses a special fertilizer for inland saline-alkali sugar beets. The special fertilizer is prepared from the following raw materials in parts by weight in a mixing manner: 10-20 parts of stainless steel tailings, 10-20 parts of decomposed coal, 15-30 parts of urea, 20-40 parts of ammonium dihydrogen phosphate, 10-30 parts of potassium sulphate, 3-10 parts of zinc sulfate, 3-10 parts of manganese sulfate, 0.5-2 parts of paclobutrazol, 0.1-1 part of titanium sulfate, 0.1-1 part of lanthanum nitrate and 1-5 parts of kieselguhr. The materials, such as stainless steel tailings and decomposed coal, for modifying saline and alkaline land are added and matched with various necessary elements for the sugar beets by combining the nutritional requirement rules of the sugar beets aiming at the characteristics of inland saline-alkali soil; and the paclobutrazol for adjusting migration of photosynthesis matters, and titanium sulfate and lanthanum nitrate for improving the sugar content of the sugar beets are added, so that the special fertilizer is balanced in nutrition; necessary macro-elements, medium-elements and microelements for the sugar beets in the total growth period can be provided; meanwhile, the pH value of the inland saline-alkali soil can be lowered; the saline-alkali harms are reduced; the soil structure is improved; the soil fertility is improved, and thus the nutrition state of the sugar beets is improved; and the yield and the sugar content of the sugar beets roots are significantly improved.

The invention discloses a saline-alkali soil improvement method which comprises water conservancy improvement, chemical improvement, physical improvement and tillage improvement. The water conservancy improvement comprises a drainage method; an irrigation salt leaching method; the invention relates to the technical field of saline-alkali soil improvement, in particular to a rice planting method, which relates to the technical field of saline-alkali soil improvement, and has the beneficial effects that various improvement methods are combined, so that the salt content of soil can be effectively reduced, the soil can be loosened, the physical properties of saline-alkali soil can be improved, crop root systems are developed, the stress resistance and disease resistance are improved, saline-alkali sprinkling is avoided, and saline-alkali harm is reduced. The method promotes the development of agriculture, and has extremely important practical significance for sustainable and healthy development of rural economy, land management, ecological environmental protection and the like in China, especially in inland arid agricultural irrigation areas.

The invention discloses rape straw fermentation organic fertilizer and a preparation method thereof. The rape straw fermentation organic fertilizer is prepared from the following components in parts by weight: 30-50 parts of peat soil, 30-50 parts of rape straw, 3-5 parts of traditional Chinese medicine residues, 3-5 parts of fish bone powder, 0.5-2 parts of micro element fertilizer, 0.5-1 part of a microbial agent, and 0.5-2 parts of fermentation powder. The traditional Chinese medicine residues comprise 35% of rheum officinale residues, 35% of fructus corni residues and 30% of cortex magnoliae officinalis residues. The preparation method for the rape straw fermentation organic fertilizer comprises the following process: (1) corn straw fermentation; (2) traditional Chinese medicine residue enzymolysis; (3) crushing; (4) mixing; (5) pelletizing; and (6) drying. The rape straw fermentation organic fertilizer disclosed by the invention is prepared from the peat soil, the rape straw, the traditional Chinese medicine residues, the fish bone powder and the micro element fertilizer, is reasonable in formula, can meet various needs for crop growth, and sufficiently utilizes the traditional Chinese medicine residues; and while waste is utilized, disease resistance of crops is improved.

The invention discloses a crop pesticide residue degradation agent containing environment-friendly enzymes, and belongs to the technical field of pesticide. The crop pesticide residue degradation agent is prepared from the following raw materials: peat soil, wheat straw powder, traditional Chinese medicine slag, egg shell powder, trace element fertilizers, microbial agents, fermentation powder, environment-friendly enzyme, fluorine silicon iodine and benzene solvents; the traditional Chinese medicine slag contains the following raw material medicine materials: raw radix astragali seu hedysari, radix salviae miltiorrhizae, herba hedyotidis diffusae, ternate buttercup roots, airpotato yam rhizome, algae, radix bupleuri, radix aucklandiae, wild chrysanthemum flowers and herba scutellariae barbatae. The crop pesticide residue degradation agent has the advantages that the soil can be effectively improved; the soil-borne diseases can be inhibited; the crop stress resistance is enhanced; the organic matters and other nutritional ingredients of the soil are increased; the problem of pollution of the traditional Chinese medicine slag to environment is solved; the ingredients such as peat soil and the egg shell powder are added; the polluted land can be repaired; the soil saline-alkali harm is reduced; the trace element fertilizer is properly added, so that the nutritional ingredients of the fertilizer can be effectively enhanced; the raw material selection is scientific; the raw material sources are wide; the product can be easily processed and manufactured.

The invention relates to the technical field of fertilizers, in particular to an organic fertilizer formula for improving the nutrient content and components of grains, vegetables and fruits. The organic fertilizer for improving the nutrient content and components of the grains, the vegetables and the fruits comprises pigeon droppings, peanut bran, potassium sulfate type compound fertilizer, saccharides and zymophyte. The preparation method of the organic fertilizer for improving the nutrient content and components of grains, vegetables and fruits comprises the following steps: sterilizing and crushing peanut bran, mixing with zymophyte, and fermenting; sterilizing and crushing the pigeon droppings, mixing with zymophyte, and fermenting; and mixing the fermented peanut bran, pigeon manure and saccharides, sterilizing again, fermenting, and mixing with a potassium sulfate compound fertilizer to obtain the organic fertilizer for improving the nutrient content and components of grains, vegetables and fruits. The organic fertilizer for improving the nutrient content and components of the grains, the vegetables and the fruits has the advantages of improving the taste and nutrition of crops, enhancing the antibody capacity of the crops and enhancing the water retention and air permeability of soil at the same time.

The invention aims to solve the problem that soda saline-alkali soil has no good improvement means, and provides a soda saline-alkali soil improver and an improvement method. Steel slag is subjected to acid dissolution, iron, calcium, aluminum, magnesium and other elements in the steel slag are extracted, part of ferrous iron in the steel slag is oxidized into ferric iron through oxidation, a mixed system is dried to prepare an improver, and the improver is quantitatively applied to soda saline-alkali soil to be improved. Iron ions, calcium ions, magnesium ions and aluminum ions in the improver react with carbonate ions and bicarbonate ions in the soda saline-alkali soil to finally generate iron oxyhydroxide, aluminum hydroxide, carbonate or basic carbonate precipitates, so that carbonateions and bicarbonate ions which are relatively great in harm in the soda saline-alkali soil are reduced or eliminated, and meanwhile, the composition of soil ions is changed; and modifying the soda saline-alkali soil into non-soda saline-alkali soil.

The invention relates to a straw fermented organic fertilizer and a preparation method thereof. The fertilizer is prepared from the following raw materials in parts by weight: 30-50 parts of kanuma soil, 30-50 parts of straws, 3-5 parts of traditional Chinese medicine dregs, 3-5 parts of coconut bran, 0.5-2 parts of a micronutrients fertilizer, 0.5-1 part of a microbial inoculant and 0.5-2 parts of fermenting powder, wherein the traditional Chinese medicine dregs comprise 35% of dried radix rehmanniae dregs, 35% of rhizoma anemarrhenae dregs and 30% of semen litchi dregs. The preparation method comprises the following steps: (1) fermentation of cornstalks; (2) enzymolysis of traditional Chinese medicine dregs; (3) crushing; (4) mixing; (5) granulation; and (6) drying. The straw fermented organic fertilizer provided by the invention is prepared from kanuma soil, straws, traditional Chinese medicine dregs, coconut bran and micronutrients fertilizer, is reasonable in formula, and can meet various demands required by growth of crops. Meanwhile, the traditional Chinese medicine dregs are fully used, so that the anti-disease ability of the crops is improved while wastes are used.

The invention discloses an ameliorant combination suitable for secondary saline-alkaline soil in irrigation areas of the Yellow River. The ameliorant combination comprises, by weight, 120-180 parts of a soil loosening agent, 250-400 parts of citric acid residue, 160-200 parts of diatomite of 1,250-2,000 meshes, 120-160 parts of ammonium molybdate, 80-120 parts of sodium selenite, 30-60 parts of seaweed slag, 8-20 parts of straw ash, 800-1,200 parts of coconut residuum and 10-14 parts of microbes. The soil loosening agent is a mixture obtained by crushing peat, dry pine needle, vermiculite, natural zeolite and peanut shell according to the mass ratio of 5:3:1:2:1. According to the ameliorant combination suitable for secondary saline-alkaline soil in irrigation areas of the Yellow River, various nutritional ingredients are reasonably cooperated, and various components are combined mutually, influence each other and coordinate with each other. Then, soil secondary saline-alkalization caused by random fertilization can be avoided.

The invention provides a method for improving soda saline-alkali soil in order to solve the problems that carbonate ions and bicarbonate ions which have great harm in the soda saline-alkali soil withregional and local characteristics are too high in content, and ion composition is imbalanced. According to the method, mineral iron is dissolved out of iron tailings through acid, the iron tailings are chemically oxidized into ferric iron, then a mixed system is dried to prepare an improver, the improver is quantitatively applied to the soda saline-alkali soil to be improved, the carbonate ions and the bicarbonate ions which are greatly harmful in the soda saline-alkali soil are reduced or eliminated, meanwhile, the composition of soil ions is changed, the soda saline-alkali soil is transformed into sulfate saline-alkali soil, and the salt and alkali washing efficiency of the soil is improved.

The invention discloses a coordinated efficient planting method for cotton, watermelons and Chinese cabbages in a saline-alkaline land. The method comprises the steps: planting zones are covered withmulching films, the cotton and the watermelons are subjected to same-film-zone unified layout, narrow rows of the cotton are subjected to twin-row mulching-film covering, and wide rows are free of mulching-film covering and are exposed ground surfaces; every 5 young cotton plants are alternately spaced sequentially, and 1 row of watermelons are transplanted at the inner side of the same film zoneof sequential-alternate spacing of each cotton row in a misaligned manner; and column-type concentrated fertilizer application is carried out under a middle film of each narrow row, the watermelons are pruned by employing a three-vine-orientated outward pruning method, and the Chinese cabbages are interplanted in the wide rows of the cotton after the watermelons are harvested. According to the method, cotton-watermelon-Chinese cabbage-coordinated-accurate-planting heating, soil moisture preserving and salt suppressing ecological effects on the saline-alkaline land through melon vine, mulchingfilm and Chinese cabbage combined full cover are exerted to the maximum, advantage complementing, early germination and stable growth, high quality and high yield, and coordinated high performance ofthe cotton, the watermelons and the Chinese cabbages in the saline-alkaline land are achieved, the yield of unginned cotton of the cotton is increased by 10.0% or more, the yield of the watermelons isincreased by 15.0% or more, the yield of the Chinese cabbages is increased by 5.0% or more, and comprehensive economic benefits are increased remarkably.

A soil conditioner containing coir peat and a preparation method thereof relate to a soil conditioner. The soil improver containing coconut bran is composed of the following components by mass ratio: coconut bran 0.75-0.92, diatomaceous earth 0.05-0.1, polyaspartic acid 0.01-0.05, humic acid 0.01-0.05, polyacrylamide 0.005 ~0.03, boric acid 0.005~0.02. Preparation method: 1) dissolving polyacrylamide, polyaspartic acid and boric acid in water to obtain a mixed solution; 2) uniformly mixing powdered coconut bran, diatomaceous earth and humic acid to obtain a solid powder mixture; 3 ) Spray the mixed solution obtained in step 1) into the solid powder mixture obtained in step 2), and dry after mixing to obtain a soil conditioner containing coconut bran. The production cost is low, the raw material is environmentally friendly and non-toxic, and can effectively improve secondary salinization and compacted soil, restore and increase land productivity.

The invention belongs to the field of processing of crop treatment agents, and in particular relates to a preparation process of a seed treatment agent. The preparation process of the seed treatment agent comprises the following preparation steps: performing fermentation treatment on organic raw materials; extracting a part, which is dissolved in water, from the fermentation product by a filtering method to obtain fermented concentrated liquid; diluting the concentrated liquid and adjusting the pH value of fermented diluent to be 3.0 to 4.0 with poly-mixed acid; adding chitin-brown alga mixed liquid into the diluent and performing stirring treatment; adding nutritional liquid and a fertilizer synergistic loss controlling agent; performing dissolution and emulsification. The obtained seed treatment agent has good effects of increasing the germination rate of the seeds, promoting rooting and increasing the seedling strengthening rate; remarkable effects of reducing saline-alkali harm and continuous cropping morbidity are achieved; the seed treatment agent adopts natural materials and does not contain chemical pesticide, so the preparation process of the seed treatment agent is efficient and environmentally-friendly; the preparation process of the seed treatment agent accords with the development tendency of the seed treatment agent in the aspects of design concept, selected materials, product effect and the like, and has great social benefit, economic benefit and environmental benefit.

The invention discloses a special weather-resistant mulching film for online drilling and a production method thereof. The weather-resistant mulching film includes a mulching film body; multiple planting holes convenient for crop planting and fertilization are regularly arranged in the mulching film body; the thickness of the mulching film body is 300-2,000 mm, and the thickness of the mulching film body is 0.01-0.02 mm; the diameters of the planting holes are 50-60 mm, and the distances between the adjacent two planting holes are 200-900 mm; and the mulching film body is made by adopting a black polyethylene film material capable of inhibiting the growth of weeds in fields. The mulching film has the function of water seepage during crop growth, so that the coverage of the whole development and growth of crops, rainwater harvesting and soil moisture conservation during mature periods and thermal insulation can be guaranteed, the weeds in the fields can be effectively inhibited, and thefunctional effects of reducing saline-alkali damage to soil can be achieved. The service life of the mulching film can be designed according to needs; and during using, field planting can be carriedout according to holes, so that the labor intensity of drilling can be reduced, vegetable seedlings can be unified and neat in line spacing and spacing, and the sufficient and reasonable utilization of nutrients and light energy around roots can be realized.

The invention discloses a preparation method of a crop pesticide residue degrading agent containing trifloxysulfuron sodium salt and belongs to the technical field of pesticides. The crop pesticide residue degrading agent containing the trifloxysulfuron sodium salt is prepared from raw materials of peat soil, wheat straw powder, Chinese medicine residue, egg shell powder, trace element fertilizer, microbial agent, ferment powder, the trifloxysulfuron sodium salt, fluorosilicone iodine and benzene solvent. The preparation method comprises the following steps of fermenting wheat straw to obtain the wheat straw powder, and performing enzymolysis, crushing, mixing, granulation and drying on the Chinese medicine residue. The crop pesticide residue degrading agent containing the trifloxysulfuron sodium salt can effectively improve soil, inhibit soil-borne diseases, enhance stress resistance of crop, increase the content of soil organic matters and other nutrients and solve the problem of environmental pollution caused by the Chinese medicine residue; by adding in the constituents of the peat soil and the egg shell powder, the crop pesticide residue degrading agent containing the trifloxysulfuron sodium salt can restore and improve polluted lands and reduce soil alkalization damage; by adding in an appropriate amount of the trace element fertilizer, the crop pesticide residue degrading agent containing the trifloxysulfuron sodium salt can effectively increase the nutrient content of fertilizer. The crop pesticide residue degrading agent containing the trifloxysulfuron sodium salt is scientific in raw material selection, extensive in raw material source and easy to process and manufacture.

The invention discloses an oil sunflower special fertilizer based on soda saline soil. The oil sunflower special fertilizer is prepared by blending the following components serving as raw materials in parts by weight: 10-30 parts of biochemical fulvic acid, 5-15 parts of magnesium slag, 5-15 parts of pyrite cinders, 5-20 parts of sunflower seed cake meals, 10-30 parts of urea, 10-15 parts of ammonium sulfate, 10-20 parts of ammonium phosphate, 10-30 parts of potassium sulfate, 1-5 parts of zinc sulfate, 1-5 parts of manganese sulfate, 1-5 parts of poly-boron and 1-5 parts of a granulation binder. According to the oil sunflower special fertilizer disclosed by the invention, aiming at the characteristics of strong alkalinity, high degree of alkalization and poor physical and chemical properties of the soda saline soil, and considering a nutritional requirement rule of oil sunflowers, organic and inorganic matters are combined together, macro-elements are combined with medium elements and microelements, the nutrition is overall and balanced, the nutrition necessary for the whole growth stages of the oil sunflowers can be provided, meanwhile, the pH value of the soda saline soil is reduced, the soil structure is improved, and the soil fertility is improved, so that the output and quality of the oil sunflowers are significantly improved.

The invention discloses a dry land corn cultivation method, and belongs to the technical field of crop cultivation. The cultivation method comprises the following steps: S1, seed treatment: performing screening to obtain high-quality corn, drying seeds in the sun, dressing the seeds with a seed coating agent, and airing the seeds in the shade; S2, soil preparation: removing field sundries, performing weeding, deeply ploughing the land, adding a soil conditioner and a base fertilizer, and then performing shallow ploughing; S3, ridging and sowing; S4, field management: performing irrigation, thinning, final singling and fertilization irrigation; and S5, pest control and timely harvesting. By means of the method, large-area planting of corn in dry land saline-alkali soil is achieved, and the corn yield is increased.

The invention relates to a treatment technology of an industrial waste, and specifically relates to an alkaline earth improving agent prepared by using monosodium glutamate production waste liquid, and a preparation method thereof. According to dry substance weight ratio, the improving agent comprises 30-40 parts of monosodium glutamate waste fluid, 20-30 parts of biological carbon, 15-20 parts of lignite, 5-10 parts of fly ash, and 15-20 parts of diatomite. The preparation method comprises the steps that: according to the dry substance weight ratio, biological carbon, lignite, fly ash, and diatomite are well mixed; the mixture is added into concentrated monosodium glutamate waste fluid; and the mixture is well mixed, dried in air, sieved, well mixed, and packaged, such that finished products are obtained. The technology is environment-friendly and simple, and the cost is low. The soil improving agent is mainly used in mildly or moderately alkaline earth farmlands. The improving agent can be used independently, and can be mixed with a chemical fertilizer for applying.