40results about How to "Lower fertilizer costs" patented technology

The invention discloses the technical field of fruit tree planting and provides a planting method of cherry trees. According to planting treatment, fruit pits are taken out, and airing is performed to obtain seeds; 8-12-fold damp sand are mixed with the seeds, and the mixture is refrigerated in a refrigerator under the temperature of 0 DEG C; the mixture is placed into a 1:40-1:60 pig manure compost leaching solution and a gibberellin mixing solution with the concentration of 5% to be soaked, the soaking time is 5-10 min, the seeds are taken out after soaking is finished and sown in a seedling basket, a matrix with the ratio of turfy soil to river sand being 1:1 is adopted, and germination is accelerated under the room temperature; germination acceleration is stopped after radicles extrude seed coats and the length of the seeds is 1-3 times during seed germination, the germinated seeds are taken out and the seed coats are soaked into rooting powder. On the basis of seed sand storage freezing treatment, seed dormancy is broken through, the germination rate is effectively increased through soaking in the pig manure compost leaching solution and the gibberellin mixing solution, the seed germination rate is improved to 90% or above, the number and length of seed roots are effectively increased, the problem that a root system is shallow is avoided, and the rooting rate can be further increased through the rooting powder soaking solution.

The invention relates to a kiwi fruit compound microbial fertilizer capable of improving soil as well as a preparation method and an application method of the kiwi fruit compound microbial fertilizer. The compound microbial fertilizer comprises a biological organic fertilizer and an inorganic fertilizer, wherein the components of the biological organic fertilizer comprise a mixture of fowl dung and cow dung, corn meal, rice bran powder and EM bacterial liquid; and the inorganic fertilizer comprises urea, mono-ammonium phosphate, potassium chloride, potassium sulfate, borax and magnesium oxide. The invention further discloses the preparation method and the application method specifically aiming at the kiwi fruit compound microbial fertilizer capable of improving soil. The kiwi fruit compound microbial fertilizer can greatly improve the yield and quality of kiwi fruit, increase the income of farmers and reduce the fertilization cost; moreover, the fertilizer can significantly improve soil environment, and a fertilizing method developed specially aiming at the fertilizer can improve the utilization ratio of the special fertilizer; and furthermore, the fertilizer is simpler in production process, shorter in time, more suitable for large-scale production and better in fertilizer effect, and is an environment-friendly fertilizer with an environmental protection effect and the like.

The invention discloses an organic-inorganic compound fertilizer. The compound fertilizer mainly comprises an organic fertilizer generated by harmlessly treated organic matter in effective component, wherein the organic fertilizer generated by the harmlessly treated organic matter comprises the following components in weight ratio: 30-65 percent of high temperature compost, 5-30 percent of nitrogen fertilizer (by available nitrogen) and / or 1-20 percent of potassium fertilizer (by available potassium), and / or 5-30 percent of phosphorus fertilizer (by available phosphorus) and the balance allowable and acceptable other aids and stuffing. According to the organic-inorganic compound fertilizer disclosed by the invention, soil can be effectively loosened, and the foundation fertility of the soil can be kept, and moreover, the synthesis of the plant chlorophyll is obviously promoted, the photosynthesis is enhanced, carbohydrate is favorably synthetized, and the yield is increased. Compared with common chemical fertilizers, the yield can be increased by at least 166kg, the production value per mu is increased by at least 350yuan, and the economic benefit is considerable.

The invention discloses an organic-inorganic compound fertilizer special for wheat and a preparation method thereof, and belongs to the fields of agricultural resource recycling and environmental protection. The preparation method combines agricultural waste recycling and new fertilizer development; and chicken manure which is agricultural waste is subjected to conventional fermentation and added with certain inorganic fertilizer components according to the growth characteristics of the wheat and the nutrient requirement to prepare the special organic-inorganic compound fertilizer with rich nutrient, wherein the content of organic matters of the compound fertilizer can reach 25.90-27.75 percent and the total nutrient is 16.12 to 18.67 percent (including 7.80 to 8.39 percent of nitrogen, 4.57 to 5.38 percent of phosphorus pentoxide and 3.75 to 4.90 percent of potassium oxide). The fertilizer is special for wheat, is commonly applicable to regions for growing wheat and has the long-acting effect of an organic fertilizer and the fast effect of an inorganic fertilizer as well as obvious effect on the wheat growth and yield increase; meanwhile, the preparation method is simple, has low requirement on preparation machines, saves the cost and is favorable for large-scale popularization and application.

The invention relates to a lodging-resistant controlled release blend bulk fertilizer for direct-sowing rice. The preparation method specifically comprises the following steps: blending quick-acting nitrogen phosphorus and potassium particles, anti-floating resin coated urea and resin coated potassium fertilizer as well as medium trace elements such as boron, zinc, magnesium and the like accordingto a certain ratio, thereby obtaining the product. Due to continuous and uniform release of low-concentration nitrogen in the resin-coated urea, pitch of the rice can be shortened, inhibition of high-concentration ammonium nitrogen on root system growth is avoided, and the root system of the rice is advanced; and the resin-coated potash fertilizer can achieve effects of improving the hardness ofstraws, promoting fullness of rice grains and improving the quality of the rice. The resin urea and the resin potash fertilizer achieve a synergistic effect on the rice, the lodging resistance of therice can be greatly improved, topdressing can be decreased by 1-2 times, the fertilizer utilization ratio is improved, and the fertilizing amount is reduced.

The invention discloses a dry-farming cultivation method for rice. The dry-farming cultivation method comprises the steps such as soil selection, soil preparation, seed selection, seed pretreatment, sowing, fertilization, water management, weeding as well as disease and pest control, wherein the seed pretreatment step further comprises the steps such as seed drying, seed sorting by salt water, coating, seed soaking for disinfection, seed dressing and germination acceleration. By using the method, the defects of complex cultivation process, high cost input and incapability of realizing large-scale popularization and application during dry-farming cultivation of rice can be effectively overcome.

The invention discloses a special fertilizer for pawpaw, which comprises the following ingredients in percentage by weight: 19.5-20.5% of bran, 19.5-20.5% of monoammonium phosphate, 27.5%-28.5% of potassium sulphate, 31.3--32.3% of urea, 0.08-0.12% of compound sodium nitrophenolate, and 0.08-0.12% of Bordeaux mixture. The special fertilizer for pawpaw disclosed by the invention is a mixture of fertilizer essential to pawpaw growth and chemicals for preventing leaf blight; compared with a traditional sulfur compound fertilizer, the special fertilizer for pawpaw not only can supply nutrients for pawpaw growth, but also can prevent leaf blight occurrence, and is labor-saving, time-saving, and is capable of increasing yield and income.

The invention discloses a special compound fertilizer for tobaccos. The special compound fertilizer is prepared from the following components in parts by weight: 50 to 63 parts of potassium chloride, 200 to 450 parts of potassium sulfate, 70 to 100 parts of potassium nitrate, 100 to 200 parts of monoammonium phosphate, 100 to 210 parts of ammonium nitrate-phosphorus, 4 to 40 parts of a boron fertilizer, 55 to 81 parts of magnesium sulfate, 21 to 26 parts of ZnSO4.7H2O and 10 to 20 parts of a release controlling agent. A preparation method comprises the following steps: mixing, pre-heating, granulating, drying, sieving, cooling and sieving again. The special compound fertilizer for the tobaccos is specially designed by aiming at fertilizer demanding characteristics of the tobaccos, and has the effects of enhancing the adsorption efficiency on the fertilizer by soil and improving the absorption rate of nitrogen and a phosphorus fertilizer.

A soda saline-alkali soil paddy rice prime field fertilization method. The invention relates to a saline-alkali soil paddy rice prime field fertilization method and aims to solve the problems that in production of paddy rice in the soda saline-alkali soil in the prior art, application of chemical fertilizers is unreasonable, which may cause waste and loss of fertilizers and influence on yield of rice, and further may have potential environment pollution risk. The method herein includes the steps of: 1) determining the fertilization quantity of the saline-alkali soil paddy rice prime field, wherein a nitrogen fertilizer is applied in three times of base fertilizer, tillering fertilizer and ear granule fertilizer, a phosphorus fertilizer is applied as a base fertilizer in one time, and a potassium fertilizer is applied in two times of base fertilizer and ear granule fertilizer; 2) determining that the base fertilizer is a sulfur-based N-P-K ternary compound fertilizer or is a mixture by compounding elementary fertilizers, the tillering fertilizer is ammonium sulfate or urea, and the ear granule fertilizer is a nitrogen-potassium binary compound fertilizer or is a mixture of urea and potassium sulfate; and 3) determining the fertilization period of the saline-alkali soil paddy rice prime field. The method fully considers the nutrients in the saline-alkali soil, reduces loss of the base fertilizer and increases the utilization rate of the base fertilizer and the yield of the paddy rice. The method is applied in the field of paddy rice planting.

The invention relates to the technical field of fertilizers and in particular relates to a multifunctional pesticide fertilizer and a preparation method thereof. By reasonably proportioning, matching and combining functional components, traditional Chinese medicine deinsectization active components and fertilizer components, the obtained multifunctional pesticide fertilizer has deinsectization effect and nutrient supplying effect; the traditional Chinese medicine deinsectization active components and the functional components have mutual effect to realize the synergic deinsectization effect; meanwhile, traditional Chinese medicine components are adopted, so that the content of organic matters is high; after fertilization treatment is carried out, the multifunctional pesticide fertilizer can be decomposed in soil and then is absorbed by crops, so that the nutrient value is provided.

The invention discloses a special organic-inorganic compound fertilizer for eggplants, comprising the following raw materials in parts by weight of dry matters: 40-43 parts of chicken manure compost, 21-24 parts of urea, 1-3 parts of diammonium phosphate, 26-30 parts of potassium sulphate, 13-17 parts of calcium magnesium phosphate and 1-2 parts of soil bacteriacide. By using the special organic-inorganic compound fertilizer for the eggplants, the after-treatment problem of chicken manures is solved, the cyclic utilization on the chicken manures can be realized, and the pollution on rural environments is avoided. Meanwhile, as organic and inorganic nutrients are combined, the special organic-inorganic compound fertilizer has the advantages of high harmless degree and organic content, rich nutrient substances and the fertilizer utilization cost is reduced, a topdressing link in the production management of the eggplants is avoided, and the cost of the production management of the eggplants and the like is saved. In addition, as a proper quantity of soil bacteriacides is added, eggplant phytophthoras can be prevented.

The invention relates to the field of passion fruit planting, in particular to a cultivation method suitable for the thick planting of golden passion fruits, which can control diseases, improve the quality, increase the yield and reduce cost. The method comprises the following steps: a. land selecting, b. land levelling, c. planting, d. plant management, e. fertilizer management, f. field management.

The invention relates to a special formula fertilizer for corn cultivation. The special formula fertilizer comprises KNO3 or KCl or K2SO4, Ca(H2PO4)2*H2O or KH2PO4, CO(NH2)2 or (NH4)2SO4 or 5Ca(NO3)2*NH4NO3*10H2O, MgSO4*7H2O or MgSO4*H2O, FeSO4*7H2O. Experiment results prove that compared with an existing conventional fertilization method (compound fertilizer, urea, diammonium phosphate, calcium superphosphate, monopotassium phosphate, ammonium sulfate, potassium chloride and potassium sulfate) for farmers, the special formula fertilizer for corn cultivation, provided by the invention, has the benefits that the use method is simple and convenient, plants robustly grow, the resistance to pests and diseases is realized, the frequency of spraying of pesticides is reduced, the pesticide and artificial spraying cost is reduced, the yield per mu can be improved by about 10 percent, the quality and the mouth feeling of corn is improved, and the original flavor of corn varieties is restored. The special formula fertilizer provided by the invention has very wide application values and market prospects.

The invention discloses a liquid fertilizer containing humic acid. The liquid fertilizer comprises a liquid raw material A which has the pH of 7.0-7.5 and contains soluble organic matters or humic acid, a raw material B containing urea, potassium dihydrogen phosphate, potassium sulfate or potassium chloride, and an anion type polyacrylamide raw material C which is completely dissolved with water to form a jelly and has the pH of 7.0-7.5; the component B is added into the component A and is stirred to be dissolved; then the pH value is adjusted to 7.0-7.5 by ammonia water; then the component C is added and is mixed uniformly; and the water is added until the volume is one cubic meter. The liquid fertilizer has the functions of folding water and fertilizer and also has the function of loosening soil; the liquid fertilizer is convenient to use and is suitable for a pipeline; the liquid fertilizer can provide one more treatment measure for waste liquid treatment of food factories and the wastes are changed into valuable things; a production process is simple and the source of the raw materials is convenient; the utilization rate of the fertilizer is high and the costs of the fertilizer and the manpower are reduced; and after the fertilizer is applied, crops have high yield, good quality and good taste.

The invention discloses a microbial wettable powder fertilizer, belonging to the technical field of fertilizers. Every 1kg of the wettable powder fertilizer contains 500-800 billions of bacillus licheniformis spores, 200-400 billions of bacillus subtilis spores, 210-290g of white carbon black, 80-120g of light calcium, 25-35g of anticaking agent, 230-310g of kaolin, 40-60g of boron, 25-35g of ferrous sulfate, 100-140g of zinc sulfate, 25-35g of manganese sulfate, 8-12g of sodium molybdate and the balance of necessary carriers. The product is wettable powder which is convenient to use and has high fertilizer efficiency; and the wettable powder fertilizer can be sprayed or sprinkled or be used for irrigating the root and can directly reach the shoot root, thus the acting effect is more direct, the dosage of the fertilizer can be reduced, and the fertilizer cost is saved.

The invention provides a nutrient control method for improving the eating quality of rice in saline-alkali land, and relates to methods for cultivating rice in the saline-alkali land. The method aimsto solve the technical problems that existing rice in the saline-alkali land is poor in quality and poor in eating quality. The method includes the steps that 1, a base fertilizer is spread before transplanting; 2, before seedling transplanting, a medium trace nutrient element fertilizer is supplemented as a nitrogen fertilizer before transplanting; 3, a tillering fertilizer is applied after transplanting; 4, a booting fertilizer is applied; 5, a medium trace nutrient element fertilizer is applied on leaf surfaces in the flowering and fruiting stages of the rice, and nutrient control is completed. According to the rice cultured through the method, the brown rice rate is reduced by 1.9-3.1%, the head rice rate is increased by 2.0-13.6%, the protein content of the rice is increased by 14.3-97.1%, the amylase content is increased by 5.5-64.2%, and the taste value is increased by 3.0-10.4%. The method can be applied to the field of rice culture in the saline-alkali land.

The invention discloses an organic liquid fertilizer for mangoes and a preparation method of the organic liquid fertilizer. The fertilizer is prepared from the following raw materials in parts by weight: 50-70 parts of polypeptide amino acid liquid, 5-10 parts of urea, 20-40 parts of potassium lactate, 5-10 parts of dipotassium hydrogen phosphate and 5-10 parts of chelate of polypeptide amino acidliquid and a trace element composition. The organic liquid fertilizer for mangoes is comprehensive in large, medium and micro elements, and has the advantages of high nutrient content, low consumption, easiness in absorption by plants and high fertilizer utilization rate through reasonable matching of organic and inorganic nutritional ingredients; the fertilizer has the advantages of full water solubility, convenient and safe application, reduction of labor cost, applicability to long-term application and capability of supplementing a part of water-soluble organic matters, promoting the ecological balance of soil and achieving soil improvement and land maintenance effects, is suitable for hilly and mountainous region with harsh fertilization conditions, effectively reduces the labor and fertilizer cost of growers, obviously improves the yield and quality of mangoes, and increases planting benefits.

The invention discloses organic farm manure and a production method thereof. The organic farm manure comprises the following components in parts by weight: 10-30 parts of dry rice straw, 50-80 parts of chicken manure, 60-100 parts of pig manure, 10-20 parts of tobacco leaf, 5-10 parts of plant ash, 2-5 parts of lime, 10-20 parts of fruit peel, 10-20 parts of leftover, 5-10 parts of vinasse, 10-20 parts of waste food and 90-120 parts of sanitary sewage. The production method comprises the following steps: chopping the dry rice straw, the tobacco leaf and the waste food, mixing with the chicken manure, the pig manure, the plant ash, the lime, the leftover, the vinasse and the sanitary sewage, and fermenting for one month for use. The components of the organic farm manure are convenient to obtain; the organic farm manure is easy to produce; waste and environment pollution are reduced.

The invention discloses a method for improving and enhancing efficiency of a potassium-deficient and calcium-poor rice field by utilizing biomass charcoal. According to the method disclosed by the invention, rice straw biomass charcoal is used as a soil modifying agent and a fertilizer efficiency enhancing agent; one week before rice seedlings are transplanted, the rice straw biomass charcoal is added into the low-yield potassium-deficient and calcium-poor rice field in a ratio of 22.5t / ha; 2-3 days before the seedlings are transplanted, watering is performed to soften the field; one day before the rice seedlings are transplanted, a nitrogen, phosphorous and potassium compound fertilizer is applied in a ratio of 417kg / ha; one month after the rice seedlings are transplanted, a nitrogen, phosphorous and potassium compound fertilizer with the same specification is applied in a ratio of 500kg / ha; and in other aspects, the rice seedlings are cultivated according to a conventional rice planting manner in China. Compared with conventional fertilization management, the method has the advantages that while the yield of rice is not reduced for a long period, about 50% of an inorganic nitrogen fertilizer is reduced in each year; and the soil quality is effectively improved, and the content of potassium and calcium in the soil of different depths in the potassium-deficient and calcium-poor rice field is improved. The method has the advantages of simplicity in preparation, economical and practical performances, high efficiency and durability, strong operability and the like, and has an important guide meaning of improving and enhancing efficiency of the low-yield potassium-deficient and calcium-poor rice field.

A method for lighting of trees and remodeling a lichee complete stand is characterized in that the height of a tree body is controlled within 3m to 4m, the quantity of big branches of the whole tree is controlled within 6 to 8, the angle of the big branches is kept within 60 to 90 degrees, the inner chamber is ventilative and non-light tight, and the tress of the inner chamber can fruit normally. The method of the invention has the outstanding advantages that the ventilative and non-light tight condition of the tree body is improved, so that the inner chamber fruits, thereby increasing the output muitiply. In addition, because the tree is high, reducing the big branches can obviously reduce the spray value, the utilization rate of fertilizer is improved, the harvest is easy, and the condition that the person is hurt for picking up the fruits cannot happen again.

The invention discloses a special compound fertilizer for tobacco and an application method thereof. The compound fertilizer comprises 2-10% urea, 5-20% ammonium phosphate fertilizer, 5-15% potassium nitrate and 10-30% potassium sulfate. , 0~15% lignosulfonate, 0~20% coal, 5~20% attapulgite, 0~2% borax, mixed and stirred, crushed, granulated, dried, cooled, sieved, and made into granules The compound fertilizer is mixed with 0-5% granular lime nitrogen and mixed evenly to obtain the finished tobacco-specific compound fertilizer, which is applied with other fertilizers 5-15 days before the tobacco seedlings are transplanted. The tobacco-specific compound fertilizer formula of the present invention has strong practicability for the southern smoking areas, can overcome serious problems such as soil acidification caused by traditional fertilization formulas, and at the same time add a certain amount of medium and trace elements and synergists to the formula , so that it can meet the requirements of mineral nutrition during the development of tobacco plants, improve the utilization rate of nutrients, reduce the frequency of fertilization, and significantly improve the yield of tobacco plants and the quality of tobacco leaves.

The invention relates to a special fertilizer for Chinese chives. The special fertilizer comprises 2-5 parts of mutton fat, 3-5 parts of phosphorus diamine fertilizers, 5-8 parts of urea, 15-22 parts of corn straw, 1-3 parts of lithospermum purpurocaeruleum powder, 3-5 parts of potassium sulfate, 3-5 parts of peppermint root powder, 3-6 parts of sweet wormwood herbs, 6-9 parts of soybean straw, 0.5-1 part of EM (effective microorganism) bacteria, 1-2 parts of sulfur and 0.02-0.05 part of lemons. The special fertilizer has the advantages that the activity of soil can be improved, the application rate of the fertilizer can be reduced, and occurrence of diseases and insect pests can be reduced in Chinese chive growing procedures.

The invention discloses a method for interplanting Chinese milkvetch on a hilly tea plantation. The method includes the steps: selecting selected, soaked and germinated Chinese milkvetch seeds, inoculating nodule bacteria, uniformly blending the inoculated seeds and sandy soil according to weight ratio of 1:2, broadcast sowing the blended seeds, applying tea tree base fertilizers in sowing, and enabling the tea tree base fertilizers to serve as a fertilizer source of the Chinese milkvetch after tea leaves are picked and trimmed from late November to early November; performing irrigating and plowing. According to the method, modern tea plantation facilities are combined with growth characteristics of the Chinese milkvetch and tea trees, a practical method for planting the Chinese milkvetchon the tea plantation is provided, the Chinese milkvetch are interplanted by the aid of operation rules of the tea plantation, the method is simple, so that the planting time of the Chinese milkvetchis shortened, planting fertilizer cost of the Chinese milkvetch is reduced, the success rate of the Chinese milkvetch planted on the tea plantation can be ensured, fertilizer application of the tea plantation is reduced, weed growth of the tea plantation is controlled, ecological environments are improved, and the method has great significance under the condition that organic agriculture, energy conservation and emission reduction are advocated at present.

A soil improvement method for planting maize in a tea field is implemented based on the steps as follows: one, removing branches and leaves from the tea field, and spraying a destuctive herbicide for one time; two, digging a ridge trench beside each row of tea tree roots; three, dibbling maize seeds in the ridge trenches; four, applying fertilizers between every two maize seeds; five, back ridging the ridge trenches in order to bury the maize seeds and the fertilizers; six, spraying a Dicotyledones herbicide in the growth process of maize seedlings in order to kill the newly grown tea buds; and seven, applying fertilizers to the maize periodically. The soil improvement method for planting maize in tea field uses a simplest method to improve the field where tea trees are planted for years into the field for planting maize. The old tea tree roots in the tea field are rotten and used as the fertilizer for the maize, thereby saving a plenty of labor and fertilizer, getting a good harvest of maize, and improving the soil texture very well.

The invention provides a special biological organic-inorganic compound fertilizer for garlic, and a preparation method thereof. 100 parts by weight of the special biological organic-inorganic compound fertilizer comprise, by weight, 25-28 parts of modified ammonium nitrate, 3-5 parts of monoammonium phosphate, 4-6 parts of potassium sulfate, 3-5 parts of amino acid, and the balance of decomposed organic matters; and the compound fertilizer is also added with a microbial functional inoculant, and the content of the inoculant in the organic fertilizer is 0.2 * 10<8>- 0.3 * 10<8> CFU / g. The fertilizer provided by the invention integrates the functions of a biological fertilizer, an organic fertilizer, an inorganic fertilizer and an amino acid fertilizer, is a low-concentration long-acting slow-release fertilizer, and can meet the nutrient requirements of the whole growth period of garlic after being applied once; although the NPK content is not high, the utilization rate is high, the reduction of the fertilizer cost is facilitated, and the hardening influence of the high-concentration compound fertilizer on the soil is reduced.

The invention relates to granular organic fertilizer containing an organic carbon source. The granular organic fertilizer is prepared from raw materials containing rotten organic fertilizer and the organic carbon source by mixing and granulation, wherein the proportion of the nitrogen content of the rotten organic fertilizer to easy-to-utilize organic carbon to moderately available organic carbonin the organic carbon source is (0.1 to 7) to (0.4 to 2.5) to (2.1 to 7.2); the easy-to-utilize organic carbon is organic carbon in a water-soluble carbohydrate in the organic carbon source; the moderately available organic carbon is 50 to 70 percent of the sum of the quantities of cellulose and hemicellulose in the organic carbon source. The granular organic fertilizer provided by the invention can be used for accurately regulating and controlling the conversion and release processes of a nitrogen element in the granular organic fertilizer, and is used for meeting the demand, for nitrogen, ofa crop at different growth phases, improving the application production efficiency of organic fertilizer, reducing an undesirable influence on an environment, realizing the once applying of the basefertilizer of the organic fertilizer, meeting the demand of the crop in a whole growth period and decreasing fertilizer and labor cost.

A microbial wettable powder fertilizer, fertilizer technology field, the wettable powder fertilizer per 1 kg contains 500-800 billion spores of Bacillus licheniformis, 200-400 billion spores of Bacillus subtilis, 210-290 g of white carbon black, and 80 g of light calcium ~120g, anti-caking agent 25~35g, kaolin 230~310g, boron 40~60g, ferrous sulfate 25~35g, zinc sulfate 100~140g, manganese sulfate 25~35g, sodium molybdate 8~12g, the rest is necessary Carrier. This product is wettable powder, easy to use, high fertilizer efficiency, can be sprayed, drenched or root irrigation, can directly reach the seedling roots, the effect is more direct, so it can reduce the amount of fertilizer and save the cost of fertilizer.

The invention relates to a corn intercropping mode. The corn intercropping mode comprises: performing soil preparation and ridging starting in February every year, and spraying herbicides; transplanting corn seedlings in March; transplanting sweet potato seedlings in May; after the corns are harvested in August, planting early-maturing high-quality autumn potatoes; after the sweet potatoes are harvested in early November, planting winter and spring potatoes, and harvesting the winter and spring potatoes before May in the next year. The intercropping mode provided by the invention is conducive to realizing maximum photosynthetic efficiency of crops and maximum soil use benefits; meanwhile the dosage of chemical fertilizers is greatly reduced in the cultivation process, which is conducive to improving the soil structure and improving the ecological environment of the crops; the corn intercropping mode is better conducive to environmental-friendly, pollution-free and green food production.

A soda saline-alkali soil paddy rice prime field fertilization method. The invention relates to a saline-alkali soil paddy rice prime field fertilization method and aims to solve the problems that in production of paddy rice in the soda saline-alkali soil in the prior art, application of chemical fertilizers is unreasonable, which may cause waste and loss of fertilizers and influence on yield of rice, and further may have potential environment pollution risk. The method herein includes the steps of: 1) determining the fertilization quantity of the saline-alkali soil paddy rice prime field, wherein a nitrogen fertilizer is applied in three times of base fertilizer, tillering fertilizer and ear granule fertilizer, a phosphorus fertilizer is applied as a base fertilizer in one time, and a potassium fertilizer is applied in two times of base fertilizer and ear granule fertilizer; 2) determining that the base fertilizer is a sulfur-based N-P-K ternary compound fertilizer or is a mixture by compounding elementary fertilizers, the tillering fertilizer is ammonium sulfate or urea, and the ear granule fertilizer is a nitrogen-potassium binary compound fertilizer or is a mixture of urea and potassium sulfate; and 3) determining the fertilization period of the saline-alkali soil paddy rice prime field. The method fully considers the nutrients in the saline-alkali soil, reduces loss of the base fertilizer and increases the utilization rate of the base fertilizer and the yield of the paddy rice. The method is applied in the field of paddy rice planting.

The invention discloses a rice transplanter spiral auger type side deep fertilization device. The rice transplanter spiral auger type side deep fertilization device comprises a shell and is characterized in that a rice screening mechanism is arranged above the shell, a stirring mechanism is arranged below the shell, a fertilizing mechanism is arranged on the left side of the stirring mechanism, and a rice transplanting mechanism is arranged on the right side of the stirring mechanism; the fertilizing mechanism is connected with the rice screening mechanism through a pipeline, and the rice transplanting mechanism is connected with the rice screening mechanism through a pipeline; the rice screening mechanism comprises a rice screening shell, a rice inlet is formed in the left end of the rice screening shell, a rice outlet is formed in the right side of the rice screening shell, and a first vibration sleeve is arranged on one side of the rice inlet; and a driving wheel is arranged in the middle of the rice screening shell, a storage ball is arranged in the driving wheel, and transfer rollers are arranged on the two sides of the driving wheel. The rice transplanter spiral auger type side deep fertilization device has the advantages of high practicability and being capable of automatically seeding seedlings and fertilizing.