36results about How to "Improve organic matter content" patented technology

The invention discloses efficient and environment-friendly microbial organic fertilizer. The fertilizer is prepared from raw materials as follows: kitchen waste, agricultural waste, livestock and poultry manure, waste mushroom sticks, mud from sugar refineries and beer breweries, waste from slaughter houses, ground phosphate rock, plant ash, peanut shell, traditional Chinese medicine residues, leaves and weeds, mildewed feed, a microbial agent and a leavening agent. The invention also discloses a preparation method of the fertilizer. The efficient and environment-friendly microbial organic fertilizer contains rich nutrients, can reduce disease and pest damage in soil, prevent soil hardening, provide nutrients required for growth of crops and increase the pH value, organic matter content and microbial florae of the soil after being applied, has high utilization rate and can promote absorption and conversion of crops for fertilizer and promote growth and elongation of crops. The organicfertilizer can inhibit absorption of crops for heavy metals in soil, reduce the content of heavy metals in crop products and improve the quality of crops while protecting the soil.

The invention provides a solanum tuberosum and double cropping rice rotation crop rotation culture method for improving a south double cropping rice paddy soil micro-aggregate structure, and belongs to the field of agricultural production. The method mainly comprises the first step of solanum tuberosum high-yield cultivation and the second step of early rice and late rice high-yield cultivation, wherein the first step comprises the substeps of preparation before seeding, variety selection, cutting of seed solanum tuberosum, seeding at suitable time and coverage of straw and a mulching film, field management comprising timely film breaking, topdressing, drainage and insect disease prevention, timely harvesting, and field returning of solanum tuberosum stem leaves and straw for coverage, and the second step comprises the substeps of variety selection, seedling transplanting, filed management comprising scientific fertilization, weeding, irrigation and insect disease prevention, timely harvesting and field returning of straw. By means of the method, south double cropping rice paddy winter agriculture can be reasonably developed, the rice paddy soil micro-aggregate structure is effectively improved, soil is fertilized, economic benefits of solanum tuberosum in one season are increased on the basis of ensuring the double cropping rice yield, the purposes of improving the rice paddy soil structure and obtaining high-yield year-round crops are achieved, and the popularization value is high.

Belonging to the technical field of acidified soil treatment and remediation, the invention provides a nutritional type tobacco field soil acidification modifier formula and a use method thereof. The nutritional type tobacco field soil acidification modifier formula is formed by mixing of dolomite powder, quicklime, biological black charcoal and silicon-calcium powder in proportion. The use method consists of: firstly before ridging of tobacco field farmland, employing 5-point mixing sampling, then analyzing the acid-base property of soil, if the acidification degree is high and improvement is needed, spreading the nutritional type soil acidification modifier on the tobacco field surface before farming and ridging of the tobacco field, and then ploughing the mixture evenly, with the specific dosage and continuous usage time being determined by the soil acidification severity. According to the nutritional type tobacco field soil acidification modifier formula and the use method provided by the invention, the design and formula are reasonable, the use method is appropriate, the tobacco field soil acidification status can be improved significantly, and the tobacco development and disease resistance can be promoted, and the yield and quality of cured tobacco are improved. In addition, the formula and the method also have good effects in improving the stress resistance and yield of afterculture paddy rice.

The invention is suitable for the technical field of plant cultivation and provides a soil improvement method. The method includes smashing straw into smalls; digging planting furrows in preset depth and preset width according to a plant-to-row interval; adding the straw smashed into the smalls, nitrogen fertilizer and sulfur powder into soil digged out from the planting furrows for uniform mixing; backfilling the straw, the nitrogen fertilizer and the sulfur powder which are mixed uniformly. Huckleberry cultivation is performed in soil improved by applying the nitrogen fertilizer in dry corn straw, and soil properties like organic matter content, moisture, ventilation conditions and microorganism content are improved, so that production cost is lowered effectively, and fruit yield and quality of huckleberry are improved remarkably.

The invention discloses a method for preparing sustained-release fertilizer capable of improving the stress resistance of rice. The method comprises the following steps: S1, grinding soybean meal, tearesidues and mushroom residues, mixing with pig manure, heating at high temperature, cooling to room temperature, adding organic acid, straw powder and biological bacteria, uniformly mixing, and fermenting to obtain a material A; S2, mixing ground phosphate rock, ground potassium ore, trace element fertilizer, polypeptide urea, monopotassium phosphate, potassium chloride, rooting powder and organic clay with the material A, and granulating to obtain a material B; and S3, coating the material B to obtain the sustained-release fertilizer capable of improving the stress resistance of rice. According to the preparation method, the sustained-release fertilizer prepared by optimizing the preparation process has good sustained-release effect and high fertilizing utilization, the stress resistance of rice can be improved after the fertilizer is applied, the rice yield can be effectively increased, and the rice quality can be improved.

The invention provides a planting method capable of improving soil quality and the yield of newly planted sugarcane. The planting method includes the steps that (1) at the end of February to early March, biogas slurries are evenly distributed by 4500-5500 l / mu in the sugarcane field, and then according to conventional techniques, the fields are ploughed and furrowed; (2) the sugarcane with no plant diseases and insect pests are adopted, sugarcane stalks are cut into segments with one eye, and sugarcane seeds are soaked in soaking agent for 1-2 minutes for use; (3) the sugarcane seeds are placed in ditches to form single rows of sugarcane buds; (4) insect repellants are used for spraying to prevent insects; (5) the ditches are filled with broken soil to form a turtle shape; (6) pre-emergence herbicides are sprayed after planting sugarcane; (7) earthing up is carried out when the sugarcane grows to be 40-70 cm high, moreover, when earthing up is carried out, the compound fertilizers are applied by 45-55 kg / mu, and the biogas slurries are applied by 2250-2750 l / mu; (8) in August to September, the biogas slurries are evenly applied by 2250-2750 l / mu to the roots of the sugarcane; (9) extermination of plant diseases and insect pests is carried out according to conventional techniques. The planting method has the advantages of improving soil quality and increasing the yield of newly planted sugarcane.

The invention relates to the technical field of a preparation process of agricultural microbial agents, and in particular relates to a preparation method of an organic material decomposition agent. The method comprises the following steps: (1) carrying out breeding selection of microbial strains and identifying the safety of the microbial strains; (2) preparing microbial strain solutions: preparing a culture medium, the microbial strain solution, a secondary microbial strain solution and a retting heap fermented microbial strain solution; (3) carrying out retting heap fermentation: preparing a formula of a retting heap fermentation culture medium and setting fermentation conditions of the retting heap fermentation culture medium; and (4) drying, pulverizing, metering and packaging heaped products, thus preparing the organic material decomposition agent. The organic material decomposition agent is low in production cost, concise and mature in process, convenient to use and obvious in decomposition application effect, thereby being favorable for widespread popularization and applications.

The invention discloses a method for improving the northeast black soil fertility. The method includes the following steps that 1) northeast black soil is deeply loosened, and is deeply loosened one time every three years; 2) straw is smashed, then a straw decomposing agent is applied, and after corn is harvested, straw is smashed, turned, pressed and returned to a field; 3) after straw is returned to the field, suppressing and ridging are carried out; 4) 220 kg.hm<-2>-250 kg.hm<-2> of nitrogenous fertilizer (N), 110 kg.hm<-2>-135 kg.hm<-2> of phosphatic fertilizer (P2O5) and 100 kg.hm<-2> ofpotash fertilizer (K2O) are basically applied, and are subjected to even furrow application. According to the method, through comprehensive application of multiple technical measures such as deep loosening, straw field returning and accurate fertilizer applying, the defects that straw field returning of northeast black soil regions is not suitable for decomposition, and the influence on seeding ofnext-stubble crops is generated are effectively overcome; the soil organic matter content can be effectively increased, the soil structure is improved, and the culture fertility is achieved; meanwhile, the crop yield is kept, it is achieved that the win-win aim that the crop yield is continuously kept, and the soil fertility is improved is achieved, and the method is suitable for northeast regions with the accumulated temperature of 2,500 DEG C or above.

The invention relates to a lysine biological salt decomposition bacteria mixture, an organic fertilizer thereof and preparation methods of the lysine biological salt decomposition mixture and the organic fertilizer. In proportion by weight, the lysine biological salt decomposition mixture comprises 2 parts of lysine biological salt decomposition bacteria fertilizer, 100-200 parts of auxiliary materials, 1 part of lysine, 0.001-0.002 parts of BA-6, 0.006 parts of chitin, 9-10 parts of nitrobacteria and 2 parts of humic acid; the lysine biological salt decomposition bacteria mixture is prepared through the following steps of: mixing the liquid raw materials lysine, BA-6 and chitin, mixing and uniformly stirring the biological salt decomposition bacteria fertilizer and the auxiliaries to form a strain fermentation mother strain, adding the strain fermentation mother strain, the nitrobacteria and the humic acid into a mixer, stirring uniformly, and spraying the liquid raw materials onto the solid raw materials to prepare the lysine biological salt decomposition bacteria fertilizer; the organic fertilizer is prepared by adding organic and inorganic elements into the lysine biological salt decomposition bacteria fertilizer and fermenting. According to the lysine biological salt decomposition bacteria mixture, the organic fertilizer and the preparation methods, the difficulty in primary and secondary salinization of soil is solved, high-lysine vegetables can be produced, the soil environment can be restored and the nutrients of the produced fruits and vegetables can be increased, so that the environment protection and nutrition balance are realized and the circular economic development demands are met.

The invention relates to an organic planting method of blueberries, comprising a soil preparation period at the early stage of blueberry plantation, a seedling period and a flowering and fruiting period, wherein in the flowering and fruiting period, straw bioreactor landfill and sludge are adopted for organic plantation. The invention can effectively improve soil pH value, enhance activity of microbes and enzyme in soil, promote improvement of root system vitality and soil organic matter content, replace chemical pesticides, effectively boost ground temperature so as to prevent freeze injury in early spring, increase blueberry survival rate by 40%, and realize the aim of improving the yield of blueberries by 260kg per mu.

The invention discloses an organic fertilizer and a preparation method thereof, and relates to the field of fertilizers. The organic fertilizer is prepared from the following raw materials in parts byweight: 60-70 parts of dry sheep manure, 20-30 parts of humic acid, 10-20 parts of tobacco, 5-12 parts of peat soil, 10-15 parts of straw ash, 5-10 parts of egg shells, 4-9 parts of animal bone mealand 3-7 parts of Chinese prickly ash, wherein the tobacco is one or a mixture of more of tobacco leaves, tobacco powder and tobacco stems. The fertilizer is rich in mineral elements so that the soil restores vitality, and crop roots are promoted to absorb nutrients; soil gaps can be increased, and root group development is promoted; the water retention and fertilizer retention capabilities of thesoil can be improved; the soil organic fertilizer can be supplemented later, and nutrient elements needed by crop growth are slowly released; the soil permeability can be increased, and the irrigationand drainage benefits are improved; and the price is low and the organic fertilizer can be popularized and used.

The invention discloses an acidic multifunctional soil improver and a preparation method thereof, wherein the acidic multifunctional soil improver is prepared from the following raw materials by the mass fraction: 20 parts of concentrated hydrochloric acid, 13-20 parts of ferrous sulfate, 2-3 parts of potassium permanganate, 100 parts of lignosulfonate, 1-2 parts of a defoaming agent, 10-20 parts of phosphate, 150-170 parts of distilled water, and a proper amount of an alkaline solution. The acidic multifunctional soil improver can reduce the alkalinity of soil, improves the soil organic matter content, is chelated with heavy metals in the soil, increases the cation exchange capacity of the soil, promotes plant growth, and promotes metabolism of microorganisms. The soil improving stabilizing agent has the advantages of easily available materials, low production cost, environmental friendliness, biological degradation, no secondary pollution, good water solubility, difficult volatilization and the like.

The invention discloses a biological microbial inoculum for improving the micro-ecological environment level of tobacco planting soil. The biological microbial inoculum comprises bacillus amyloliquefaciens, pseudomonas fluorescens and bacillus pumilus, wherein the bacillus amyloliquefaciens is a strain with a preservation number of CGMCC No. 6598. The microbial inoculum can improve acidification and organic matter content of long-term tobacco planting soil, and at the same time can play a role in efficiently improving the soil environment.

The invention is applicable to the technical field of plant cultivation, and provides a soil improvement method. The method comprises the steps of smashing straws into fine powder, ditching planting furrows with preset depth and width according to plant spacing, adding the straws smashed into fine powder, nitrogen fertilizer and sulphur powder which are uniformly mixed into soil ditched from the planting furrows, and backfilling the straws, the nitrogen fertilizer and the sulphur powder which are uniformly mixed. The method improves soil through dry maize straws and nitrogen fertilizer, so as to plant huckleberry, improves properties, such as soil organic matter content, soil moisture, air in soil and soil microorganism content and the like, effectively reduces the production cost, and obviously improves the huckleberry fruit yield and quality.

The invention discloses a functionalized saline alkali soil improvement agent. The agent is prepared from, by weight, 30-60 parts of oil manufacturing residues, 10-30 parts of turfy soil, 5-15 parts of mica, 5-15 parts of ground phosphate rock, 5-15 parts of chitosan and 5-20 parts of compound bacteria. The saline alkali soil organic matter content and the humus content can be changed, the salinealkali soil structure is improved, the saline alkali soil fertility is improved, crop diseases on the saline alkali soil are prevented and treated, and crops on the saline alkali soil can grow easily.

The invention discloses an environment-friendly planting method for tomatoes. The method comprises the steps of (1) seedling bed preparation, (2) seed treatment, (3) field planting and (4) topdressing. Compared with the existing tomato planting methods, the method has extremely remarkable advantages and is environmentally friendly and pollution-free, and the yield of the tomatoes are greatly increased; and the tomato planting method disclosed by the invention can be used for promoting the growth and development of tomato seedling plants and increasing the survival rate of the seedling plants.

The invention discloses a preparation method of a corn straw fermented organic fertilizer for sea rice. The preparation method comprises the following steps: (1) obtaining corn straw powder; (2) obtaining a mixed solution; (3) obtaining an alkaline mixed material liquid; (4) obtaining a fermentation product; and (5) adding decomposed cow dung accounting for 10-15% of the mass of the fermentation product obtained in step (4) into the fermentation product, performing uniform stirring, and performing standing at normal temperature for 10-12 h so as to obtain the organic fertilizer. The prepared corn straw fermented organic fertilizer can improve the yield of the sea rice, and also can shorten the growth cycle of the sea rice.

The invention provides an ecological efficient organic seedling growing substrate for tomatoes, belonging to the technical field of plant cultivation. The ecological efficient organic seedling growingsubstrate comprises, by weight, 30-45 parts of mushroom residues, 20-30 parts of peat, 25-35 parts of tobacco stems, 20-30 parts of sawdust, 25-30 parts of vermiculite, 15-20 of parts of perlite, 30-40 parts of mud, 4-6 parts of licorice roots, 3-4 parts of manganese nitrate and 5-8 parts of ammonium chloride. The soilless culture substrate provided by the invention can reduce pests during soil cultivation, increase yield, reduce cost and decrease pesticide usage.

The invention relates to the technical field of agriculture planting, in particular to a pepper planting method. A base for pepper planting is processed, circular processing is carried out through quick lime, clear lime water, farmyard manure, mulching films and the like, bacteria on the surface of the base are removed to a great extent, the organic content in soil of the base is improved, the environment for pepper planting and growing is improved, the fertile degree of the pepper planting environment is increased, box arranging and shed building are carried out on the pepper base, the growing environment in boxes and sheds can meet the requirement of peppers for the growing environment, the growing quality of the peppers is improved, the growing speed of the peppers is increased, the yield of the peppers is increased, and the planting cost of the peppers is reduced.

The invention relates to a radix tetrastigme green subterranean earth nut growth recipe fertilizer and a burdening method thereof. The radix tetrastigme green subterranean earth nut growth recipe fertilizer comprises the burdening ingredients of ingredient 1, 35% of slow release compound fertilizer, wherein the release cycle of the slow release compound fertilizer is 1-2 years, the ratio of N: P: K is 12: 11: 18 in the compound fertilizer; ingredient 2, 40% of microorganism fermented fertilizer, wherein the organic content of the microorganism fermented organic fertilizer is greater than or equal to 50%; ingredient 3, 20% of dung of silkworm; ingredient 4, 5% of ash; ingredient 5, lime, the specific gravity of the constituent fertilizer and lime by ingredient 1, ingredient 2, ingredient 3 and ingredient 4 is 50: 1. By the recipe fertilizer, and the growth requirements of radix tetrastigme are met, the rate of subterranean earth nut of commercial grade is increased, production efficiency is increased, and the economic benefits of medicine farmers are improved.

The invention relates to a lysine biological salt decomposition bacteria mixture, an organic fertilizer thereof and preparation methods of the lysine biological salt decomposition mixture and the organic fertilizer. In proportion by weight, the lysine biological salt decomposition mixture comprises 2 parts of lysine biological salt decomposition bacteria fertilizer, 100-200 parts of auxiliary materials, 1 part of lysine, 0.001-0.002 parts of BA-6, 0.006 parts of chitin, 9-10 parts of nitrobacteria and 2 parts of humic acid; the lysine biological salt decomposition bacteria mixture is prepared through the following steps of: mixing the liquid raw materials lysine, BA-6 and chitin, mixing and uniformly stirring the biological salt decomposition bacteria fertilizer and the auxiliaries to form a strain fermentation mother strain, adding the strain fermentation mother strain, the nitrobacteria and the humic acid into a mixer, stirring uniformly, and spraying the liquid raw materials onto the solid raw materials to prepare the lysine biological salt decomposition bacteria fertilizer; the organic fertilizer is prepared by adding organic and inorganic elements into the lysine biological salt decomposition bacteria fertilizer and fermenting. According to the lysine biological salt decomposition bacteria mixture, the organic fertilizer and the preparation methods, the difficulty in primary and secondary salinization of soil is solved, high-lysine vegetables can be produced, the soil environment can be restored and the nutrients of the produced fruits and vegetables can be increased, so that the environment protection and nutrition balance are realized and the circular economic development demands are met.

Belonging to the technical field of acidified soil treatment and remediation, the invention provides a nutritional type tobacco field soil acidification modifier formula and a use method thereof. The nutritional type tobacco field soil acidification modifier formula is formed by mixing of dolomite powder, quicklime, biological black charcoal and silicon-calcium powder in proportion. The use method consists of: firstly before ridging of tobacco field farmland, employing 5-point mixing sampling, then analyzing the acid-base property of soil, if the acidification degree is high and improvement is needed, spreading the nutritional type soil acidification modifier on the tobacco field surface before farming and ridging of the tobacco field, and then ploughing the mixture evenly, with the specific dosage and continuous usage time being determined by the soil acidification severity. According to the nutritional type tobacco field soil acidification modifier formula and the use method provided by the invention, the design and formula are reasonable, the use method is appropriate, the tobacco field soil acidification status can be improved significantly, and the tobacco development and disease resistance can be promoted, and the yield and quality of cured tobacco are improved. In addition, the formula and the method also have good effects in improving the stress resistance and yield of afterculture paddy rice.

The present invention relates to the technical field of breeding, in particular to a breeding method for Nubian goats; including dynamic management of grass and livestock and feeding management, wherein the dynamic management of grass and livestock is sown according to the ratio of Gramineae to beans at 3:7, and according to The seedlings are grazing according to the length of the seedlings; feeding management adopts different levels of feeding and feeding different feeds. The specific operations are: young goats are fed breast milk, soybean milk, sesame paste, and condensed milk; Feed for feeding; adult goats are fed 1‑1.3kg / day for each feed, fed 3 times a day, and feed 40‑55% of concentrate and 35‑45% of coarse feed by weight, and the balance is Nutrients; pregnant goats are fed with artificial feeding and fed with protein powder. The breeding method of the present invention improves the adaptability and production performance of Nubian sheep, and the lambing rate is increased by 6.9%. Improvement by 9.6%.

The invention discloses a special fertilizer for corn and peanut intercropping and a cultivation method for maintaining soil organic carbon balance, and belongs to the technical field of soil organic carbon balance. The special fertilizer for corn and peanut intercropping of the present invention includes raw materials: coated urea, superphosphate superphosphate, ammonium sulfate, fermented soybean meal, bentonite, sodium molybdate, borax, humic acid, ammonium dihydrogen phosphate, plant ash, zinc sulfate heptahydrate . The invention also provides a cultivation method for maintaining the balance of soil organic carbon, which includes the steps of site selection, site preparation, fertilization, seeding, field management, and crop rotation. The special fertilizer of the invention has a good promoting effect on the growth and development of corn and peanut crops, and can also improve soil organic matter content and soil structure. In addition, the cultivation method of the present invention can make full use of natural resources such as light, heat, and land, and realize the goals of crop production synergy and green, ecological, and sustainable utilization, and has a wide range of application values.

The invention discloses a method for resource utilization of kitchen waste anaerobic fermentation broth, which is characterized by comprising the following steps: step 1, removing large-particle solids from the kitchen waste anaerobic fermentation broth to be treated through a simplified pretreatment process, thereby improving the treatment efficiency and reducing the energy consumption to obtain treated liquid; step 2, performing an electrodialysis process on the treated liquid by using an electrodialysis system to realize synchronous desalination and denitrification to obtain a concentrated solution and a desalted and denitrified fermentation solution; 3, maintaining the performance of an ion exchange membrane of the electrodialysis system through regular electrode reversing and chemical cleaning; and step 4, realizing resource utilization of the separated concentrated solution and the desalted and denitrified fermentation liquor.

The invention belongs to the field of soil improvement, and particularly relates to an active coke-based saline-alkali soil improver and a preparation method thereof. The improver is composed of a porous biological fertilizer and a strain inoculant which are independently packaged, wherein the porous biological fertilizer is obtained by mixing, aging and fermenting an active coke mixture, vinegar residues and chicken manure according to the weight ratio of 1: (0.2-5): (0.2-1); the active coke mixture is obtained by fully mixing active coke screen underflow subjected to homogenization pretreatment and acidification impurity removal with a calcium superphosphate saturated solution and a silicon fertilizer according to the solid weight ratio of 1: (0.5-5): (0.2-1) by utilizing alternating-frequency magnetic coupling ultrasonic grading mechanical stirring; and the strain fungicide is composed of mycorrhizal fungi and a water-retaining agent according to the weight ratio of (0.1-1): (1-5), the mycorrhizal fungi are obtained by compounding glomus mosseae, glomus intraradices and glomus versiforme according to the weight ratio of 1: (0.2-2): (0.5-5) and propagating in local soil, and the inoculated product is a rhizosphere mixture composed of spores, hyphae and mycorrhizal fragments.

The invention discloses an organic fertilizer for improving sandy soil by using bentonite and a preparation method thereof. The organic fertilizer is prepared from the following raw materials: bentonite, a quick-dissolving organic fertilizer, a relieving organic fertilizer, a microbial fertilizer and a water-retaining fertilizer. The organic fertilizer for improving sandy soil by bentonite prepared by the invention effectively improves the air permeability and porosity of sandy soil, improves the content of organic matters, increases the water retention rate of soil, improves the original humus soil capacity of the sandy soil, and ensures the growth of vegetation.

The invention mainly relates to the technical field of biochar, and discloses a biochar matrix used for mint planting. The biochar matrix is prepared from zeolum, modified sepiolite, microcystis aeruginosa, biochar, manganese sulfate and zymophyte. The provided biochar matrix used for the mint planting has the advantages that the nutrients are rich, the preparation is simple, the organic matter content of the soil can be improved, the oxygen content of the soil is increased, the branch growth of the root system of mint is promoted, the annual fresh grass yield of the mint is obviously improved, the yield reaches 2780 kilograms per mu, and the planting profit of the mint is obviously improved; after the microcystis aeruginosa is smashed, the zymophyte is firstly added to perform high-temperature fermentation so as to promote the bacteria proliferation and accelerate the fermentation speed; after the manganese sulfate is added, the temperature is lowered, and the fermentation is carriedout continuously, so that the generation of bacteria metabolite is promoted, and the zymophyte is composed of multiple kinds of bacteria, thereby generating abundant metabolite, being conductive to improving the microbial flora in the soil and promoting the growth of the mint.

The invention discloses a multielement active nutritional agent, which consists of the following components in part by weight: 180 to 260 parts of kieselguhr, 120 to 180 parts of magnesium sulfate, 275 to 325 parts of silicon fertilizer, 50 to 100 parts of humic acid, 2 parts of wood vinegar, 3 parts of uniconazole, 20 to 80 parts of gypsum, 80 to 120 parts of ammonium sulfate and 80 to 120 partsof calcium superphosphate. The multielement active nutritional agent can supplement medium nutrient elements and trace nutritional elements in the soils, improve content of organic matter in the soils, promote adsorption action of the crops for nitrogenous, phosphate and potassium fertilizers and increase the yield of the crops. The multielement active nutritional agent of the invention can be applied according to content of the medium nutrient elements and the trace nutritional elements in different soils and demand characteristics of different crops for the medium nutrient elements and the trace nutritional elements and is beneficial for formula balanced fertilization.