33results about How to "Promote lower tie" patented technology

The invention discloses a winter wheat growth regulator. The winter wheat growth regulator is divided into a first regulator used before seeding or in the later-seedling stage, a second regulator used from the tillering stage to the elongation stage, and a third regulator used after elongation, and the three regulators are sequentially used according to the growth stage of wheat. The second regulator is mainly composed of, by weight, 2.0-2.2% of naphthalene acetic acid, 0.58-0.78% of compound sodium nitrophenolate, 0.01-0.15% of natural brassinolide, 0.03-0.1% of uniconazole, 0.035-0.06% of choline chloride and the balance of water. The growth regulator is efficient, wide in spectrum, free of public nuisance and environmentally friendly, the naphthalene acetic acid and the compound sodium nitrophenolate with different concentrations are combined and used in the whole growth stage of the wheat, and then, a proper amount of natural brassinolide and uniconazole are added. The winter wheat growth regulator is used in the key growth stage of the wheat, the number of secondary roots can be increased, the activity of the roots can be enhanced, dipping penetration and growth of the roots are promoted, the capacity of absorbing various nutrients and water of the roots is enhanced, and therefore the drought resistance of the wheat is improved, and the winter wheat growth regulator is safe and efficient.

The invention discloses an agent for controlling excessive vegetative growth and strengthening seedlings of peanuts and a preparation method and an application of the agent. By taking silicate, mepiquat chloride and uniconazole as effective components, 1-10% of silicate, 10-50% of mepiquat chloride, 0.1-5% of uniconazole and 1-50% of an assistant and soluble filler are evenly mixed and ground to obtain the agent for controlling excessive vegetative growth and strengthening seedlings of peanuts; and by utilizing the stress resistance of the silicate and the characteristic of coordinated nutrient utilization, the absorption and the utilization of elements such as N, P and K in soil caused by peanut root systems are promoted, the capability of photosynthesis of the peanut is enhanced, the problems of excessive vegetative growth and lodging of aboveground parts are effectively controlled by matching with the mepiquat chloride and the uniconazole for adjusting the development process of the peanut, the seed setting rate and the grain plumpness rate of the peanut are increased, and the problems of soil nutrient deficiencies and excessive vegetative growth and lodging of the peanut in the south region of China are effectively solved. The prepared agent for controlling excessive vegetative growth and strengthening seedlings of peanuts can effectively improve the stress resistance of the peanut, has a good yield-increasing effect, and is simple in production process, simple and convenient in using method, and easy to popularize and apply.

The invention discloses a dry land wheat region fallow period water storage and soil moisture preservation cultivation method. According to the method, after a former stubble of wheat is harvested, fertilizers are applied during the rain in early and middle July, then, deep soil turning is carried out so that ground surface fertilizers and straws are totally returned to the land, the concave-convex uneven state of the ground is maintained, the harrowing soil moisture preserving is carried out in early and middle August, and meanwhile, once chemical weeding is carried out. Compared with the prior art, the technology provided by the invention has the advantages that 0 to 300cm of soil moisture preserving quantity can be increased before the winter wheat seeding, and the soil organic matter fertilizer power can be enhanced. The technology provided by the invention has the advantages that the operation is simple, the practicability is high, the water preserving effect is obvious, the cultivation, the fertilization and the straw field returning are integrated, the organic combination of the agricultural machinery and the agricultural technology is realized, the coordinated cooperation of the cultivation moisture preservation and the fertilization water storage is realized, and the goals of wheat fallow period summer rain deep storage and season crossing utilization are reached. The method provided by the invention is widely applied to loess plateau dry land wheat regions. Compared with the traditional cultivation technology, the method has the advantage that under the average year production conditions, the wheat yield can be improved by more than 20 percent.

The invention relates to technology for cultivating three-stem cotton. The technology is characterized by comprising the following steps: shooting growing points on the main stem of a cotton plant after 5 to 6 main leaves growing on the cotton plant are spread; and reshaping the cotton plant when three vegetative shoots over 5cm grow from the axil of the main leaves, removing other residual vegetative shoots, and keeping the three vegetative shoots with similar sizes to become three main stems, secondarily shooting tops of the three main stems and local conventionally cultured spring cotton which is subject to top shooting in the same term. The technology has the advantages of saving man power for management, increasing photosynthesis of the plant, improving the fiber quality, reducing amount of boll rot, increasing the amount of canicular boll, and improving the cotton yield.

The invention discloses a soil improvement method under a crop rotation system of wheat-corn in a tide soil region of North China. The method aims at solving the technical problems of shallow soil tillage layer and low soil water and fertilizer conservation capacity. The method comprises the following steps: in a wheat planting season, corn stalks of the last season are crushed and the whole amount of straws is returned to the field combined with soil rotating tillage. The depth of the rotating tillage is controlled to 15-18 centimeters, and basal fertilizer especially for the wheat is appliedwhile the wheat is sowed. Urea is applied to wheat during green-back period, and watering is carried out in time after the application. In a corn planting season, the wheat stalks of the last seasonare crushed and returned to the field in full amount in combination with the deep loosening of soil spacing. The distances between deep loosening ditches are determined according to the distances between the sowing rows of the corn. Fertilizer especially for the corn is applied while the corn is sowed. The corn is sowed between two adjacent deep lessening ditches or tillage-free areas in the ditches. The method can improve the structure of soil arable layers, promote the expansion of the arable layers, improve the production performance of the soil, ensure the uniform distribution of nutrientsbetween arable layers, promote the growth of crops, and improve the unit yield.

The invention discloses package fertilizer special for citrus and a preparation method of the package fertilizer. The package fertilizer include autumn and winter fertilizer, spring fertilizer, fruitstabilizing fertilizer and fruit enhancing fertilizer, and the autumn and winter fertilizer, the spring fertilizer, the fruit stabilizing fertilizer and the fruit enhancing fertilizer each are prepared from nitrogenous fertilizer, phosphatic fertilizer, potassic fertilizer, magnesium oxide, borax, humic acid and filling materials in different proportions, wherein the nitrogenous fertilizer and thephosphatic fertilizer exist in different forms. The package fertilizer can effectively solve the problems that as for existing fertilizer, the proportions of nitrogen phosphorus and potassium are notcoordinated, microelements cannot be supplemented, and soil acidification cannot be prevented and controlled, consequently, roots of citrus trees rise and is low in activity, the drought resistance and cold resistance capacity declines, and produced citrus fruits are poor in quality and low in yield.

The invention discloses a peanut seed-dressing agent as well as a preparation method and an application thereof. The peanut seed-dressing agent comprises sodium silicate, calcium nitrate and a plant growth regulator, wherein the plant growth regulator can be one or a mixture of any of an indolebutyric acid, a naphthylacetic acid and a brassinolide. The peanut seed-dressing agent has the capacity of effectively lightening aluminum stress on peanuts so as to promote the growth of roots and strengthen seedlings. The production process of the peanut seed-dressing agent is simple; and the application method of the peanut seed-dressing agent is simple and convenient. Thus, peanut seed-dressing agent is easy to popularize and apply.

The invention relates to the technical field of agricultural production, in particular to a method for planting corn in red-soil upland by water and fertilizer integration; the method comprises: applying base fertilizer, seedling fertilizer, jointing fertilizer and earing fertilizer to each of corn seeding stage, seedling stage, jointing stage and tasseling stage by means of water-fertilizer integration; total fertilizer for application includes 14-16 kg of nitrogen fertilizer by N per mu, 5-7 kg of phosphorus fertilizer by P2O5 per mu, and 11-13 kg of potassium fertilizer by K2O per mu. The method has the advantages that water loss and nutrition leaching loss can be decreased, conversion and absorption of fertilizer can be promoted, fertilizer utilization rate can be increased, water utilization can also be adjusted, and water utilization rate is increased.

The invention discloses an accurate depth layered application method of summer corn nitrogen phosphorus and potassium fertilizer. The method includes steps of firstly, determining fertilizing amount according to land capability level, and then orderly arranging three fertilizing layers beneath a seed layer, wherein the usage weight ratio of nitrogen fertilizer in three fertilizing layers from top to bottom is (10-40): (60-90): 0; the usage weight ratio of potash fertilizer in three fertilizing layers from top to bottom is (20-40): (20-40): (20-40); the usage weight ratio of phosphatic fertilizer in three fertilizing layers from top to bottom is 0: (0-10): (90-100). The planting method is excellent in field effect, and capable of improving the fertilizer nutrient efficiency, significantly promoting root system penetration and greatly improving the corn output.

The invention relates to a special fertilizer for semilate rice-ratooning rice stubble rapes. The invention is characterized in that the special fertilizer for semilate rice-ratooning rice stubble rapes is composed of the following raw materials in percentage by weight: 15.0-20.0% of urea, 15.0-20.0% of urea humate, 5.0-9.0% of ammonium monoacid phosphate, 8.5-12.5% of ammonium monoacid phosphate humate, 25.0-30.0% of modified ammonium chloride, 18.0-22.0% of potassium chloride and 0.7-0.9% of granular boron. The fertilizer can promote growth of rapes before winter, prevent high seedlings from generation and enhance the continuous and balanced nutrient supply capacity, thereby finally implementing high yield and high efficiency.

The invention discloses a high-yield, high-efficiency and simple cultivation method for dryland wheat. In order to meet the planting requirements of dryland wheat, in the process of planting dryland wheat, excellent wheat products with drought resistance and barren resistance are selected, a field cultivation and management system for storing water and preserving moisture is established, soil fertility is improved, reasonable fertilization, sowing with adequate moisture at an appropriate time, field management and corresponding prevention and control measures are adopted according to differentplant diseases and insect pests characteristics, so that the planting yield of dryland wheat can be effectively improved, the planting benefit can be improved, and the development of the wheat industry can be promoted; the early and deep fertilization of fertilizers is used to increase the root penetration before spring and winter, increase the root-shoot ratio, enable the root to fully absorb the water and nutrients in deep soil; and a reasonable group management strategy is adopted, and the grain number per spike and 1000-grain weight on the basis of large groups are synchronously increasedto increase the yield of dryland wheat, and thus not only the risk of rain topdressing at the later growth stage of wheat is reduced, but also cost and labor are saved, so that the method is efficient and simple.

The invention discloses a fertilizer special for peanut and a preparation method thereof and relates to the technical field of compound fertilizers. The fertilizer special for peanut comprises a firstfertilizer core, a first encapsulating layer, a second fertilizer layer, a yoghurt powder layer and a second encapsulating layer which are encapsulated layer by layer from inner to outer; the first fertilizer core contains urea, diammonium phosphate, ammonium chloride and ammonium bicarbonate; the first encapsulating layer contains acylate beta-cyclodextrin and konjaku flour; the second fertilizer layer contains urea, diammonium phosphate, lime nitrogen, ammonium bicarbonate, humic acid and additive; the additive include seaweed meal, grondverbeteraar, amino calcium and dicyandiamide; the second encapsulating layer contains lignin gel, inulin, urea, oxalic acid, microelement compound and surfactant. The fertilizer disclosed by the invention has balanced nutritional ingredients, is moderate in phosphorus and potassium elements and is capable of effectively reducing the wastage rate of fertilizer, increasing the utilization efficiency of fertilizer, boosting the quick and healthy growthof peanut and achieving high yield of peanut per unit and full and plump peanut seeds.

The invention discloses an agent for controlling excessive vegetative growth and strengthening seedlings of peanuts and a preparation method and an application of the agent. By taking silicate, mepiquat chloride and uniconazole as effective components, 1-10% of silicate, 10-50% of mepiquat chloride, 0.1-5% of uniconazole and 1-50% of an assistant and soluble filler are evenly mixed and ground to obtain the agent for controlling excessive vegetative growth and strengthening seedlings of peanuts; and by utilizing the stress resistance of the silicate and the characteristic of coordinated nutrient utilization, the absorption and the utilization of elements such as N, P and K in soil caused by peanut root systems are promoted, the capability of photosynthesis of the peanut is enhanced, the problems of excessive vegetative growth and lodging of aboveground parts are effectively controlled by matching with the mepiquat chloride and the uniconazole for adjusting the development process of the peanut, the seed setting rate and the grain plumpness rate of the peanut are increased, and the problems of soil nutrient deficiencies and excessive vegetative growth and lodging of the peanut in the south region of China are effectively solved. The prepared agent for controlling excessive vegetative growth and strengthening seedlings of peanuts can effectively improve the stress resistance of the peanut, has a good yield-increasing effect, and is simple in production process, simple and convenient in using method, and easy to popularize and apply.

The invention provides a construction method of a submerged plough layer for promoting rooting of crops in a saline and alkaline land and belongs to the technical field of soil plowing.The submerged plough layer is formed by a fertile layer and a surface soil layer.The fertile layer is located at the thickness of 10-30 cm under the earth surface.A high-fertility mixture for fertilizing soil is added to the fertile layer.The surface soil layer is located at the thickness of 10 cm under the earth surface.The surface soil layer is ditched for planting plants, and roots of the plants are close to the submerged plough layer, so that the threat to the crops from salt accumulating on the earth surface is reduced.The physical and chemical properties of soil are improved, the soil moisture conservation effect of the plough layer is improved, during the harvesting period, the crops subjected to fertilization treatment of the submerged plough layer grow well, and the water utilization rate is high; after water of the equal amount is irrigated, the desalting rate of the soil of the submerged plough layer is remarkably higher than that of turning-over plowing treatment.

The invention discloses a cotton film-free drip irrigation cultivation method, which comprises the steps of sowing and field management, and the field management comprises the steps of irrigation, fertilization, chemical regulation and control, intertillage weeding, disease and pest control and topping; and harvesting. Compared with the prior art, the cotton film-free drip irrigation cultivation method has the advantages that residue and pollution of the mulching film in soil are reduced, physical and chemical properties of the soil are improved, sowing quality and field emergence rate are increased, root systems of crops are promoted to prick downwards and grow stably, early senility in the later period is prevented, the quality of agricultural products is improved, and meanwhile, the agricultural production environment is improved.

The invention discloses a rainwater-collecting, water-storing and drought-resisting method for a fallow period of one-cropping-one-year dryland wheat zone. The method comprises the following steps: after former wheat cropping, deeply scarifying soil by using a deeply-scarifying and fertilizing integrated machine on rainy days in the first ten days and the middle ten days of July; deeply applying organic fertilizer while deeply scarifying; covering the deeply scarified land surface by straws; and performing rotary tillage, harrowing, leveling and collecting water, and chemically weeding once when necessary in the first ten days and the middle ten days of August. Compared with the prior art, by the method, soil water retention with the amount of 0-300cm can be increased before sowing winter wheat and the organic fertility of the soil can be improved; the method is simple in technical operation, high in practicality and obvious in water retention; tillage, fertilization and straw return are integrated, so that agricultural machinery and agronomy are organically combined, tillage, water retention, fertilization and water storage are coordinated, and thus aims of deeply storing middle-summer rainwater and utilizing the rainwater in other seasons are achieved; the method is widely applicable to loess plateau dryland wheat zones; and compared with the conventional tilling technology, by the method, the yield of wheat can be improved by about 15 percent under perennial production conditions.

The invention relates to a comprehensive cultivation method of a moso bamboo forest covered with precise water and gas fertilizer, and belongs to the technical field of moso bamboo forest cultivation,which comprises the following steps of: covering and rotating; from March to April, laying three parallel pipes in a soil layer of the moso bamboo forest, which consists of a water injection pipe, agas injection pipe and a fertilizer injection pipe; from May to June, reclaiming the moso bamboo forest and flagellating through the fertilizer injection pipeline; from August to September, applying bamboo shoot fertilizer through the fertilizer injection pipeline; from October to November, carrying out the drip-pipe irrigation through the water injection pipeline, applying chicken manure organicfertilizer and bamboo charcoal fertilizer on the surface of bamboo forest, covering with the soil, and injecting gas through the gas injection pipe; from November to December, applying double-layer cover to the moso bamboo forest; at the end of April of the following year, removing all the bamboo shoots of the same year, not leaving mother bamboos of the same year, and continuously covering the soil over the year, since then, carrying out the method of operation in the covered soil every year. By means of the invention, the cultivation cost is reduced by comprehensive cultivation of moso bamboo forest cover.

The invention discloses a prevention and control method for a yellowing disease of pear trees. The yellowing disease of the pear trees is prevented and controlled by applying a compound fertilizer toa pear orchard, wherein the compound fertilizer comprises an organic fertilizer, cotton slag (withered grass or oil cakes), a biological bacterial fertilizer, chelated iron and brown sugar; and the method for applying the compound fertilizer comprises the following steps: (1) performing stack composting fermentation on the compound fertilizer; (2) ditching a dressing furrow with a depth of 40 cm and a width of 20 cm in a water dripping line of one side of each row of the pear trees; (3) applying the compound fertilizer to the dressing furrows according to the following ratio per mu: 3-4 m<3> of the organic fertilizer, 6-8 m<3> of the cotton slag, 80-100 kg of the agricultural biological bacterial fertilizer, 15-18 kg of the chelated iron, and 8-11 kg of the brown sugar; and (4) in a nest year, spraying a chelated iron dilution solution in the leaf expansion stage of the fruit trees, wherein spraying is performed once every 7 days, and spraying is performed for 2 to 3 times. The prevention and control method for the yellowing disease of the pear trees provided by the invention can significantly reduce the disease incidence rate of the yellowing disease, and promote transformation ofa severe yellowing orchard to a moderately and slightly yellowed orchard; and no recurrence of a slightly yellowed in a second year can be guaranteed through the technology.

The invention belongs to the technical field of winter wheat cultivation in north China, and relates to a cultivation method for providing water saving, high yield and high-efficiency utilization of water and nitrogen resources by optimizing a water and fertilizer supply mode through reduced water and fertilizer and increased times of micro-spraying, in particular to a micro-spraying high-yield high-efficiency method for cultivating wheat via reduced water and fertilizer and increased times of spraying. The method is based on water saving and aims at high yield and high efficiency, the technical steps of wheat land preparation, seeding, compaction, fertilization, irrigation and the like are optimally integrated, the coordination of irrigation and nitrogen fertilizer supply with a main rootdistribution area is achieved through reduced quantity and increased times of micro-spraying under water and fertilizer integration, water and nitrogen fertilizer supply to the upper soil in the keygrowth period of winter wheat is ensured, the water-nitrogen absorption ratio after flowering is increased, production after flowering is ensured, grain weight is increased, yield and water-nitrogen utilization efficiency are increased, leaching of nitrate nitrogen to deep soil is relieved, and environment protection is facilitated.

The invention discloses a corn planting method to prevent and control typhoon stress, comprising: preparing a land, to be specific, forming ridges, and selecting a plot that has upper-medium fertilityand that is properly plowed to remove stubbles and raked finely, wherein ridging breadth is 75-85 cm, ridge top width is 55-65 cm, ridge-ditch width is 36-44 cm, and ridge height is 12-16 cm; selecting seeds and sowing the seeds, to be specific, selecting a mainly-popularized variety suitable for local production, and performing seeding; applying fertilizer; performing field management accordingto field level. The corn planting method employs a ridge cultivation mode; chances for corn to lodge in case of a typhoon can be effectively decreased, waterlogging damage is relieved, and kernel number per spike and thousand kernel weight are significantly higher than those of convention planting; a ridge dual-row planting mode is employed, wide-row planting and narrow-row planting are combined,and waterlogging damage is effectively reduced, lodging rate of corn is reduced, ventilating and light transmittance are benefited, and corn yield is greatly increased; the corn planting method has good yield increase and good anti-waterlogging effect, has a promising popularization and application prospect and has great practical significance.

The invention provides a cultivation method capable of reinforcing stress resistance of corn and applicable to Jianghuai area. The cultivation method comprises the following steps: (1) crushing wheatstraw into small segments with a length of 10 cm or below in a wheat season, deep loosening soil, turning the soil to bury the wheat straw segments, and carrying out rotary tilling and soil preparation until soil is finely crushed; (2) sowing corn in a tillage-free direct-sowing manner, and before sowing is performed, carrying out heavy application with a base fertilizer and NPK fertilizers by combination of basal application and topdressing, wherein phosphorus and potassium fertilizers are completely used for basal application, and a nitrogen fertilizer is topdressed in a flare opening stage;(3) carrying out irrigation in the flare opening stage of the corn; and (4) selecting a good time for harvesting with machinery. According to the invention, after shedding of corn pollen is finished,tebuconazole and agricultural streptomycin are adopted to prevent and treat diseases of leaf spot and stem rot of the corn. The method provided by the invention can improve the water content of deepsoil, can significantly improve the photosynthetic performance of canopy, and can increase the yield of the corn.

The invention discloses a peanut seed-dressing agent as well as a preparation method and an application thereof. The peanut seed-dressing agent comprises sodium silicate, calcium nitrate and a plant growth regulator, wherein the plant growth regulator can be one or a mixture of any of an indolebutyric acid, a naphthylacetic acid and a brassinolide. The peanut seed-dressing agent has the capacity of effectively lightening aluminum stress on peanuts so as to promote the growth of roots and strengthen seedlings. The production process of the peanut seed-dressing agent is simple; and the application method of the peanut seed-dressing agent is simple and convenient. Thus, peanut seed-dressing agent is easy to popularize and apply.

The invention relates to a chemical control preparation for enhancing the stress resistance and the seed yield of wheats and application thereof, in particular to a chemical regulation preparation for enhancing the low temperature resistance, the lodging resistance, the drought resistance and the seed yield of the wheats and application thereof, belonging to the technical field of crop growth and regulation. The chemical control preparation for enhancing the stress resistance and the seed yield of the wheats comprises the following compositions per kilogram: 0.02-0.06g of auxin, 0.8-1.2g of fluroxypyr, 1ml of surfactant, 1ml of non-protonation polar solvent and the balance of water. The chemical control preparation provided by the invention can control vigorous growth before winter and invalid tillering amount of crops above the ground part, save the nutrients, promote root downward growth, enable stem bases of most wheats to be vertical or approximately vertical to the ground and enhance the winter and prevernal freezing damage resistance and cold damage resistance of plants when enhancing the drought resistance of the plants.

The invention discloses a special fertilizer for the integration of water and fertilizer for corn and an application method thereof. The special fertilizer for the integration of water and fertilizer includes a special fertilizer for emergence, a special fertilizer for the ear stage, and a special fertilizer for the flowering and grain stage; the three special fertilizers all include the following components: Urea, diammonium phosphate, potassium chloride, zinc chelate, boric acid, manganese chelate, magnesium chelate, iron chelate, copper chelate. The special fertilizer for the integration of water and fertilizer for corn of the present invention is developed according to the demand law of corn for nutrients, adopts different fertilizer formulas in different growth stages of corn, and has strong pertinence; the ratio of nitrogen, phosphorus and potassium is reasonable, and meets the requirement of large amounts of nutrients in different growth and development stages of corn. At the same time, adding trace elements can play a role in balanced fertilization, higher fertilizer utilization efficiency, and can significantly increase corn yields to achieve the purpose of increasing production and income; all nutrients are quick-acting nutrients, good water solubility, stable properties, and drip irrigation Combined with the method, the dripper will not be blocked during the drip irrigation process, has the advantages of saving fertilizer and water, and is suitable for popularization and application.

The invention relates to a ridge-reducing and land-increasing planting method based on biological characteristics of wheat, which comprises the following steps: (1) crushing straws of previous crops, uniformly throwing the crushed straws into a field, and spraying a straw decomposition agent; and (2) deeply plowing the field in the step (1) so as to break the plow pan by deeply plowing the field. And (3) raking and pressing integrated precision seeding, which comprises the following steps: (i) vertical rotary raking: performing soil crushing and leveling on the plough layer, namely bumpy and dark garbage through vertical rotary operation; (ii) field ridged field treatment: the ridge width is 2-8 m, the ridge surface width is 1.5-3.5 m, and the ridge ridge is 0.2-0.5 m; (iii) performing precise gridding seeding in the furrows of the ridged field in the step (ii); (iv) precisely applying a seed fertilizer, wherein the fertilizer application position is between two rows of seeds; and pressing after sowing. According to the method, land resources can be fully utilized through the wheat raking and pressing integrated precision uniform sowing cultivation technology and the ridge reducing, land increasing and wide green production technology, and the wheat yield potential level is fully exerted.

The invention discloses a direct-seeding rice efficiency-increasing and emission-reducing protection farming planting method, which adopts protection farming, front crop straws and root stubbles in narrow planting rows and straws in wide fallow rows are intensively covered in the wide fallow rows without seeding, so that the straws are fully covered and returned to the field in a strip manner, shallow rotary seeding is only performed in the narrow planting rows, the stps of ploughing, field steeping and drainage in conventional culture are avoided, the situation that straw is enriched in a plough layer and affects the rice transplanting quality is avoided, and meanwhile the CH4 discharge amount and the greenhouse effect are reduced; on the other hand, the base fertilizer is intensively mixed and applied in the narrow planting rows, the fertilizer utilization rate is increased, and fertilizer waste caused by whole-field spreading is avoided; the marginal effect is fully utilized, and the group quality is improved; and an irrigation and drainage ditch system is matched, middle-stage drainage and field-placing management of the rice is facilitated, root system pricking is promoted, and ineffective tillering is controlled. The problems that a traditional mechanical transplanting culture mode is not high in fertilizer utilization rate, water deterioration is easily caused, and soil hardening is also caused are solved.

The invention relates to a combined rotational tillage method capable of harvesting high-yield wheat and corn twice and improving the organic carbon content. The combined rotational tillage method capable of harvesting the high-yield wheat and corn twice and improving the organic carbon content comprises the steps that (1) corn straw is crushed and fully returned to a field for subsoiling after summer corn is harvested, and before summer corn is sowed in the next year, the field is covered with wheat straw for returning, the corn can be planted without any tillage; (2) in a next crop rotation period, before winter wheat is sowed and after the summer corn is harvested, the corn straw is crushed and returned to the field, and deep rotary tillage is conducted directly; before the summer corn is sowed in the next year, subsoiling is conducted after the field is covered with the wheat straw for returning; a pattern of the tillage is that subsoiling and rotary tillage are combined in a wheat season, no tillage is in a corn season; in the next year, the rotary tillage is conducted in the wheat season, subsoiling is conducted in the corn season, and the above tillage modes are carried out in turn very other year. The combined rotational tillage method capable of harvesting the high-yield wheat and corn twice and improving the organic carbon content can be completed within two crop rotation cycles (two years), the tillage frequency is reduced, costs are saved, the number of times of disturbance of topsoil is reduced, a good soil aggregate structure is maintained, and meanwhile the organic carbon content in the topsoil of 0-30 cm thick can be significantly increased by 0.36 g / kg; in addition, the yield of wheat and corn is significantly increased.

The invention provides rice dry farming lodging-resistant fertilizer. The lodging-resistant fertilizer comprises the following components in parts by weight: 10 to 350 parts of aminobutyric acid, 15 to 100 parts by weight of alginic acid, 80 to 200 parts by weight of sugar alcohol, 0.1 to 0.2 part by weight of methyl salicylate, 0.1 to 10 parts by weight of sulfadimidine, 5 to 10 parts by weight of lignosulfonate, and 0.1 to 20 parts by weight of beta-1, 3-glucan oligosaccharide, and supplementing water to 1000 parts by weight of the rice dry farming lodging-resistant fertilizer. Compared withthe prior art, the fertilizer provided by the invention acts on leaves of the dry rice, can be quickly absorbed by the dry rice, can be quickly transported in crop conduits and sieve tubes, and can be quickly transferred to specific organs required by growth and development of the dry rice, according to the invention, the requirements of rice on phosphorus and potassium nutrients can be fully met, root system pricking of dry rice can be promoted, pore opening and closing can be adjusted, transpiration can be reduced, and the strength and flexibility of rice stems, stalks and leaves can be enhanced, so that water saving can be realized, and the lodging resistance of rice can be improved.