44results about How to "Increase the number of effective spikes" patented technology

The invention provides a bio-control bacterium foliage fertilizer, and preparation and application thereof. The bio-control bacterium foliage fertilizer is prepared from the following materials in parts by weight: 1-3 parts of core bio-control bacteria, 35-85 parts of biochemical fulvic acid potassium, 10-50 parts of active SiO2, 2-6 parts of an enzyme activity substance, and 2-6 parts of a plant surfactant. The core bio-control bacteria contain bio-control promoting bacteria and protein decomposing bacteria; the bio-control promoting bacteria comprise bacillus subtilis and trichoderma harzianum. The core bacteria in the bio-control bacteria foliage fertilizer can rapidly grow on the surface of a plant in a field planting manner and form a 'bio-control membrane' so as to prevent infection of pathogenic bacteria at the surface of the plant; the substances, such as antibiotics and phytohormone, are generated in the processes of interaction with the pathogenic bacteria and hyperparasitism, and a plurality of diseases of crops can be prevented, resisted or directly killed; the bio-control bacteria foliage fertilizer enables the crops to have solid plant cell wall tissue, so that the ability of plant epidermis for directly resisting incursion of the pathogenic bacteria and insect pests is enhanced, and healthy growth of the crops is facilitated; the target of using a little of pesticide or not is achieved, and the environmental pollution is alleviated. Thus, the yield and the quality of the crops are improved.

The invention provides a microbial agent YF, wherein the microbial agent YF comprises four strains. The four strains are Bacillus soniensis B-2, Bacillus paralicheniformis B-26, Bacillus soniensis N-16 and Bacillus pumilus N-17. The four strains are all preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation date is March 5,2020, wherein the preservation number of the Bacillus soniensis B-2 is CGMCC NO.19454, the preservation number of the Bacillus paralicheniformis B-26 is CGMCC NO.19449, the preservation number of the Bacillus sorola N-16 is CGMCC NO.19448, and the preservation number of the Bacillus pumilus N-17 is CGMCC NO.19450. The microbial inoculum provided by the invention can effectively prevent the corn stalk rot in saline soil, improve soil quality of the saline soil, and obviously promote growth of corns.

The invention discloses a rice overgrowth-controlling, lodging-resistant and yield-increasing agent and an application thereof. The rice overgrowth-controlling, lodging-resistant and yield-increasing agent mainly comprises a plant growth regulator and a fertilizer, wherein the regulator is brassinolide and paclobutrazol or uniconazol, and the fertilizer is one or combination of more than two of substances containing N / P / K / B / Zn / Ca / Cu / Fe / Mn / Mo / Me / S / Cl / Si and other elements, such as urea, potassium dihydrogen phosphate, diammonium phosphate, calcium carbonate, potassium nitrate, silicon fertilizer, zinc sulfate, ferrous sulfate, potassium chloride, boric acid, borax, copper sulfate, ferrous sulfate, molybdenum fertilizer, magnesium sulfate, potassium sulfate, manganese sulfate and rare earth fertilizer. The rice overgrowth-controlling, lodging-resistant and yield-increasing agent has good safety and can effectively shorten the length between neck-panicle nodes and top second nodes of rice and enhance lodging resistance of rice; simultaneously, the rice overgrowth-controlling, lodging-resistant and yield-increasing agent can not affect safe dates of full heading and the grain number per spike of rice, prolong the service life of functional leaf of rice, improve the seed setting rate and the 1000-grain weight of rice and significantly affect the yield of rice. The rice overgrowth-controlling, lodging-resistant and yield-increasing agent is suitable for various types of rice, including conventional rice, hybrid rice and super hybrid rice, and has the advantages of low cost and high performance-price ratio.

The invention discloses a paddy direct planting method for flooded paddy field or winter-free paddy field. The method comprises the following steps of: preparing soil without tillage; fertilizing the paddy field; preparing germinated grains; opening a cage to sow; coating seeds with mud; weeding for the paddy field; homogenizing density and filling thinness; and applying flower promoting fertilizer. According to the paddy direct planting method, rice grains and germinated paddy grains are mixed and sown, so that seeds can be sown uniformly, and the degree of homogenizing density and filling thinness is specified in the seedling homogenizing process, basic seedlings are remarkably improved to promote remarkable increase of the number of effective ear of paddy, and the paddy yield is remarkably improved. According to the method, variety and seeding time of paddy are not constrained by crops for rotation, and the rice seedling has strong lodging-resistance capability. The method has the characteristics of high paddy yield, time and labor saving, cost reduction and high economical benefit.

The invention relates to a paddy yield increasing cultivation method using acoustic wave treatment. The paddy yield increasing cultivation method is characterized by comprising the following steps: (1) finely preparing a paddy field, uniformly and sparsely sowing seeds and cultivating strong seedlings with tillers; (2) finely preparing the soil before transplantation, applying sufficient basal fertilizer, rationally performing thick planting and timely transplanting; (3) playing acoustic wave with frequency of 300-6,000 Hz for 3 hours to treat each day after transplantation and 5 days before harvesting; (4) performing nutrient and water management according to local conditions in the field phase; and (5) timely preventing the disease pests and weeds according to prediction and forecast and the practical situation in the field and timely harvesting the paddy when 95 percent of grains in the whole field are yellow ripe. The paddy yield increasing cultivation method using acoustic wave treatment has the advantages of simple and rational design, capabilities of promoting growth and development of paddy and achieving yield increasing, high grade and anti-disease effects, excellent operability and better practicability, and can be widely applied to paddy production.

The invention provides a water-soluble medicinal fertilizer containing a strong-antagonism anti-rice blast bacterial strain, a preparation method and application of the medicinal fertilizer. The medicinal fertilizer is prepared from the following constituents in parts by weight: 55-85 parts of an HR (Hypersensitive Response) antibiological inoculant, 10-30 parts of polyglutamic acid, and 5-15 parts of a plant cell stabilizer, wherein the HR antibiological inoculant comprises bacillus subtilis-w3 with an effective viable count of 7.0-9.0*10<9> cfu / g. The medicinal fertilizer disclosed by the invention can achieve a good biological control effect on rice blast, banded sclerotial blight and the like, significantly promotes growth of the rice, increases number of productive ears, setting percentage and thousand seed weight of the rice, and remarkably improves the vegetable yield and the quality.

The invention provides a growth regulating agent capable of improving hybrid rice seed production and sterile line seed reproduction yield. The growth regulating agent is prepared from the following components: 2,4-epibrassinolide, indole-3-acetic acid, zeatin and water, and the pH value is 5.8 to 6.5. By using the growth regulating agent provided by the invention, in hybrid rice seed production and sterile line seed reproduction, the productive tiller percentage of a sterile line can be improved, so as to increase the number of productive ear, floret degeneration can be reduced, so as to increase kernels per spike, grouting is promoted, so as to improve ripening rate and / or increase thousand seed weight, and finally the hybrid rice seed production yield and the sterile line seed reproduction yield are improved. The growth regulating agent is simple and easy in preparation method, is good in product stability, strong in efficiency, safe and reliable, free of side effect and is suitable for popularization and application in hybrid rice seed production.

The invention belongs to the technical field of agricultural fertilizers, and particularly relates to a method for extracting humic acid from straw and an application of the humic acid. The method provided by the invention adopts the straw as a raw material, adopts sepiolite powder or sepiolite powder and bone meal as a straw transformation promoter, and selects an EM microbial agent for inoculation culture, a combination of the transformation promoter and the EM microbial agent can significantly shorten decomposing time of the straw, the used sepiolite powder can accelerate decomposition of the straw, and because the sepiolite powder has a large specific surface area and absorbs water to become soft when in contact with water, the sepiolite powder can provide a good place and environmentfor growth and reproduction of EM bacteria and improve the content of the high-biological-activity humic acid in the decomposed product. A humic acid extraction liquid provided by the invention is sprayed as a foliar fertilizer, and has an obvious promoting effect on growth, development and yield increasing of rice.

The invention provides a rail-mounted regeneration rice harvesting device, which has no rolling damage to root stubbles, can effectively improve the effective spike number and the yield. The device ischaracterized by comprising: a guide rail assembly, wherein the guide rail assembly comprises two groups of guide rails which are parallel to each other and are laid on a ridge at an equal distance;a gantry, wherein the gantry is arranged on the guide rail assembly and comprises two supporting leg parts which are respectively corresponding to the two groups of guide rails, a cross beam which isarranged on the two supporting leg parts, and two rollers which are respectively arranged at the bottom ends of the two supporting leg parts and can move back and forth along the axial direction of the guide rails; a sliding assembly, wherein the sliding assembly is arranged on the cross beam and can move back and forth between the two supporting leg parts along the crossbeam; a rotating and lifting assembly, wherein the rotating and lifting assembly is connected with the sliding assembly and comprises a rotating element capable of rotating, and a lifting element connected with the rotating element and capable of moving up and down; and a harvesting assembly, wherein the harvesting assembly is arranged at the bottom of the rotating and lifting assembly and is used for harvesting the regeneration rice.

The invention discloses a fertilizing method for realizing high rice yield and relates to the technical field of agricultural planting. The method comprises the following steps: three times of fertilization of base fertilizer, additional fertilizer and panicle final fertilizer are applied in the whole growth period of the rice, the total amount ratio of nitrogen, phosphorus and potassium in threetimes of fertilization is 1:0.63:1.04, the total nitrogen amount for three times of fertilization is 20.90 kg / mu, total phosphorus amount for three times of fertilization is 13.25 kg / mu, and total potassium amount for three times of fertilization is 21.75 kg / mu. The fertilizing method, use amount and proportion are improved according to fertilizer demanding and absorbing rules of the rice in different growth periods, land utilization and land maintenance are combined, fertilizing times are reduced to 3 times from the traditional 4-5 times, fertilizing amount and proportion of nitrogen, phosphorus and potassium are quantified and reasonable, fertilizing periods are clear, so that production cost is reduced, and yield is increased.

The invention discloses an amino acid water-soluble fertilizer with mite-killing and efficiency-improving effects. The fertilizer comprises amino acid, microelements, an organosilicon additive, and water. The invention further provides a preparation method of the amino acid water-soluble fertilizer, and an application method of the amino acid water-soluble fertilizer. The amino acid water-solublefertilizer contains comprehensive nutrients, can be easily absorbed by crops at different stages, and can effectively create favorable nutritional conditions for the crop growth; harmful mites on thecrops are prevented and controlled through a physical method, so that the usage amounts of pesticides and chemical fertilizers can be reduced, the ecological environment can be effectively improved, and soil and water sources can be protected; and the preparation method is simple, raw materials can be acquired from a wide range of sources, the cost is low, no pollution is caused, the product fertilizer efficiency is high, and scale production is facilitated, so that good application prospects are achieved.

The invention belongs to the technical field of agriculture, and provides a combination method of rotation, fallow, utilization and cultivation of ganoderma lucidums and rice. The method comprises steps of planting ganoderma lucidums in big lands in April of the first year; after the ganoderma lucidums are havested, sowing winter green manure astragalus sinicus from the last ten-day period in September to the first ten-day period in October and raising chickens in the big lands where the astragalus sinicus is planted; planting rice from the last ten-day period in May to the first ten-day period in June of the second year; after the rice is harvested from the last ten-day period in September to the first ten-day period in October, sowing the winter green manure astragalus sinicus, and raising chickens in the big lands where the astragalus sinicus is planted in the first ten-day period in December; and carrying out seasonal fallow, wherein two years are a rotation period. According to the invention, through the rotation of the ganoderma lucidums and rice, the winter green manure astragalus sinicus is planted in the fallow period, and chickens are raised in the big lands where the astragalus sinicus is planted, so by combining farming and plant maintaining, supplementation of organic fertilized chicken manure is achieved; and by combining planting and cultivation, fallow maintenance is achieved while fallow without stopping yield is achieved in the land; and economical benefit is improved.

The invention discloses a method for increasing the tiller of rice to improve the yield by using lime nitrogen and the use of the lime nitrogen. The lime nitrogen is prepared from the following ingredients by mass percent: 1% to 3% of silica, 11% to 15% of free carbon, 1% to 3% of aluminum oxide, 0.2% to 1.0% of ferric oxide, 21% to 27% of free calcium oxide, 0.3% to 1.0% of magnesium oxide, 50% to 63% of calcium cyanamide and 0.1% to 0.3% of calcium carbide. In the land preparation, the lime nitrogen is spread at a rate of 10 to 15 kg / mu, rotary tillage is carried out, compound fertilizer is spread at a rate of 25 to 30 kg / mu, manual ploughing and racking are carried out, and even sowing is carried out; topdressing is carried out after 5 to 15 days at a rate of 5 to 10 kg / mu. According to the invention, the lime nitrogen is applied for concentrated seedling so as to obviously promote the root development of the seedling, control the plant height of the seedling, promote the tillering of the seedling, increase the number of tillers of a single plant, increase the basic seedling number of the transplanting, control the overage overgrowth, reduce the basic seedling damage caused by the plant height, and improve the rice yield. According to the invention, the lime nitrogen has the function of controlling soil pests, controls and removes cyanobacteria, and improves the agricultural ecology and working environment; the lime nitrogen can obviously improve the economic traits of rice, and the economic benefit is extremely remarkable.

The invention belongs to the field of agricultural cultivation and discloses a multi-point balanced high-yield water and fertilizer management method for paddy rice. In a cultivation process of the paddy rice, a manner of less irrigation and more exposure, a plurality of times of little fertilization and a plurality of times of slight field draining is adopted for a long period; a fertilization manner adopts a seedling hole fertilization manner; a group regulation and control manner adopts stable and balanced growth at a full growth period; the multi-point balanced high-yield water and fertilizer management method for the paddy rice specifically comprises the following steps: cultivating seedlings; carrying out transplanting management and transplanting; carrying out reviving stage management and reviving; carrying out jointing early-period management and carrying out jointing; carrying out heading stage management. By adopting the multi-point balanced high-yield water and fertilizer management method disclosed by the invention, early ripening and rapid sprouting of the paddy rice are facilitated; low-position tillering is accelerated, the ear-bearing tiller percentage is greatly improved and the effective ear quantity is increased; large ears are easy to form; the growth vigor of a paddy rice field is balanced and consistent, individuals are healthy and strong and groups are coordinated; the quality of the groups is greatly improved and the photosynthetic efficiency is improved.

The invention provides a growth-promoting stress-resistant rice seedling raising base substrate, a seedling raising substrate, a preparation method of the seedling raising substrate and a seedling raising method, and relates to the technical field of rice seedling raising. Based on abundant and easily available crop straw resources in main rice and wheat grain producing areas, raw materials of the basic substrate comprise decomposed rice and wheat straws, decomposed rice husks, periodical water-logging type rice soil and vermiculite, and agricultural organic wastes are redeveloped to replace traditional nutrient soil for seedling raising. The invention further provides the seedling raising substrate based on the basic substrate, more comprehensive and balanced nutrients are provided for seedling raising by utilizing reasonable combined application of organic and inorganic fertilizers, and urea and diammonium phosphate which are easily absorbed and utilized by rice are adopted as nitrogen fertilizers to synergistically supply seedling nutrients. According to the seedling raising substrate, humic acid and naphthylacetic acid plant growth regulators with proper concentrations are added, so that robust development of seedling plants and root systems is promoted, the stress resistance of the rice is improved, and the cultivation of strong rice seedlings is facilitated.

The invention provides a preparation method of a microbial agent JF for preventing and treating corn stalk rot. Characterized in that it is characterized in that it comprises, the method comprises thefollowing steps: 1, preparation of 1S microbial agent powder; the preparation method comprises the following steps: adding activated bacillus sonorensis B-2, 3, 4-thiadiazole into a fermentation tank; the bacillus licheniformis strain is prepared from bacillus licheniformis B-26, bacillus licheniformis B-26, bacillus licheniformis B-26, bacillus licheniformis B-26, bacillus licheniformis B-26 andbacillus licheniformis B-26. The preparation method comprises the following steps: respectively carrying out seed culture and fermentation culture on single colonies, namely bacillus solani N-16 andbacillus pumilus N-17, and adsorbing the four cultured bacterial solutions by using an adsorbent, so as to obtain microbial agent powder; mixing the four microbial agent powders according to a mass ratio of 1: 1: 1: 1 to obtain a mixed powder; and 2, preparation of a 2S microbial agent JF: mixing the microbial agent powder prepared in step 1 with auxiliary materials to prepare the microbial agentJF. The microbial agent JF prepared by the invention can effectively improve saline-alkali soil and prevent corn stalk rot of the saline-alkali soil.

The invention discloses special sustained-release panicle fertilizer for sweet glutinous rice and a preparation method of the special sustained-release panicle fertilizer, and relates to the field ofagricultural fertilizer. The special sustained-release panicle fertilizer for the sweet glutinous rice is provided base on the basis of the problems that existing fertilizer cannot meet the nutrient demands of the sweet glutinous rice, the release cycle of the fertilizer is short, the yield of fragrant rice is low and the content of aroma effective ingredients in the fragrant rice is low. The special sustained-release panicle fertilizer for the sweet glutinous rice is prepared from the following raw materials in parts by weight: 10 to 30 parts of organic fertilizer, 60 to 80 parts of inorganicfertilizer-trace fertilizer mixed fertilizer, 5 to 10 parts of Chinese herbal medicinal additive, 1 to 3 parts of special fertilizer synergist and 1.3 to 1.5 parts of polyvinyl alcohol; the inorganicfertilizer-trace fertilizer mixed fertilizer consists of inorganic fertilizer and trace fertilizer. The preparation method comprises the steps of preparing and mixing the organic fertilizer, the inorganic fertilizer-trace fertilizer mixed fertilizer, the Chinese herbal medicinal additive and the special fertilizer synergist and granulating. The special sustained-release panicle fertilizer for thesweet glutinous rice, disclosed by the invention, has the advantages that nutrient demands of the sweet glutinous rice at all growth nodes during rice panicle period of the sweet glutinous rice are met, the yield of the sweet glutinous rice is improved, the accumulation amount of nutrient elements is improved, the quality of the sweet glutinous rice is improved, the content of characteristic aroma substances in the sweet glutinous rice is increased and the infection rate of the sweet glutinous rice to pathogenic bacteria is reduced.

The invention discloses a conditioning agent for improving the low temperature resisting capacity of wheat.The low temperature resisting conditioning agent for the wheat is prepared from, by weight, 5-10 parts of 6-BA with the mass concentration of 98%, 10-15 parts of naphthylacetic acid salt with the mass concentration of 70%, 20-30 parts of mepigtlat-chloride with the mass concentration of 96%, 10-20 parts of ethephon with the mass concentration of 40% and 20-30 parts of monopotassium phosphate with the mass concentration of 98%, wherein ethyl alcohol and tap water are adopted as solvent.By spraying the conditioning agent to wheat leaves, the constitution of wheat seedlings is enhanced, the low temperature resisting capacity of the wheat is improved, harm of low temperature and cold damage in the later period of the wheat to the wheat is reduced, photosynthesis of the wheat is promoted, transformation of photosynthetic substances are accelerated, the grain number per ear is increased, and the wheat yield is increased.

The invention discloses a microbial agent M2 for preventing and treating corn stalk foot rot and a preparation method therefor. The microbial agent M2 is prepared from a mixed bacterial solution, a support, humic acid, zinc sulfate, ferrous sulfate and potassium sulfate, wherein the mixed bacterial solution is prepared through blending bacillus subtilis HR15, bacillus atrophaeus HR37 and bacillusvelezensis HR55 according to a volume ratio of 1: 1: 1, and a chicken-manure organic fertilizer serves as the support. The three kinds of strains are all collected in China General Microbiological Culture Collection Center of China Committee for Culture Collection of Microorganisms on March, fifth, 2020. The bacillus subtilis HR15 has an accession number of CGMCC NO. 19453; the bacillus atrophaeusHR37 has an accession number of CGMCC NO. 19451; and the bacillus velezensis HR55 has an accession number of CGMCC NO. 19452. The microbial agent M2 disclosed by the invention has a good prevention effect on the corn stalk foot rot and is remarkable in yield increasing and growth promoting effects.

The invention provides a preparation method of a microbial inoculum JF for preventing and treating corn stalk base rot, which is characterized by comprising the following steps: preparation of 1S microbial inoculum powder: activating activated Bacillus sonorensis B-2, Bacillus paralicheniformis (Bacillus paralicheniformis) B-26, Bacillus sonorensis (Bacillus sonorensis) N-16, Bacillus pumilus (Bacillus pumilus) N-17 single colonies were cultured by seed and fermented, respectively, The cultured four bacterial liquids are adsorbed with an adsorbent to obtain a microbial inoculum powder; the four microbial inoculum powders are mixed according to a mass ratio of 1:1:1:1 to obtain a mixed powder; the preparation of 2S microbial inoculum JF: The microbial inoculum powder prepared in step 1S is mixed with auxiliary materials to prepare the microbial inoculum JF. The microbial inoculum JF prepared by the invention can effectively improve saline-alkali land and prevent corn stalk rot in saline-alkali land.

The invention relates to a wheat high-photosynthetic-efficiency anti-adversity production-increasing regulator and a preparation method and application thereof. The regulator per liter comprises 5-20 g of 5-aminolevulinic acid, 7-10 g of naphthylacetic acid salt, 5-10 g of spreader and the balance water. The spreader is one or more of polysorbate 20 and polysorbate 60. The regulator can obviously enhance the capability of wheat for resisting low temperature, chilling damage, high temperature and low light stress, the number of productive ear, kernels per spike and thousand seed weight of wheat are increased, and the wheat yield is improved by more than 10%. Meanwhile, the wheat high-photosynthetic-efficiency anti-adversity production-increasing regulator has the advantages of being low in cost, convenient to use, small in field residual and the like, is easy to apply and popularize and has the positive promoting effect on wheat production in China.

The invention provides a microbial bacterial agent YF, which contains four bacterial strains; the four bacterial strains are Bacillus sonorensis B-2 and Bacillus paralicheniformis B-2 respectively. 26. Bacillus sonorensis N‑16 and Bacillus pumilus N‑17, the four strains are all preserved in the General Microorganism Center (CGMCC) of China Committee for the Collection of Microbial Cultures. The date is March 5, 2020; among them, the deposit number of Sonora desert Bacillus B-2 is CGMCC NO.19454, and the deposit number of Bacillus paralicheniformis B-26 is CGMCC NO.19449, Sonora Desert The preservation number of Bacillus N-16 is CGMCC NO.19448, and the preservation number of Bacillus pumilus N-17 is CGMCC NO.19450; the microbial bacterial agent provided by the present invention can effectively prevent corn stalk rot in saline-alkali land and improve saline-alkali soil Quality, significantly promote the growth of corn.

The present invention discloses a tray type seedling method by drilling, wherein a drilling number ranges from 13 to15, and a seeding rate is 70g ~ 75g bud seeds per tray. According to the invention, the adopted seedling method by drilling is beneficial for improving rice seedling quality and achieving rice seedling transplantation by machine. After the rice seedlings by drilling are transplanted into a field, rice population biomass increases, the number of productive ears increases and a rice yield improves.

The invention relates to the technical field of rice planting, in particular to a rice machine-directed growth-promoting granule and its preparation method and application, which consist of preservatives, insecticides, fungicides, oxygen enhancers, plant growth regulators, trace elements , rodent repelling agent, filler, nano microsphere of natural polysaccharide, coating agent and binder. Active ingredients such as pesticides and fertilizers in the granules of the present invention are separated from the seeds to avoid direct contact with the inhibitory and toxic effects on seed germination and seedling tissue growth. For large areas of rotten seeds and lack of seedlings caused by seed rot and fermentation, the emergence rate of rice mechanical direct seeding can be increased by 18.33%-26.83%, and the seedling rate can be increased by 63.07%-109.51%.

The invention provides an acidic monoammonium phosphate fertilizer composed of the following substances including monoammonium phosphate, citric acid and an anionic active agent. A preparation method of the acidic monoammonium phosphate fertilizer comprises the steps of sequentially adding the smashed monoammonium phosphate, citric acid and anionic active agent into a tank, and sufficiently stirring and uniformly mixing to obtain the acidic monoammonium phosphate fertilizer. The acidic monoammonium phosphate fertilizer disclosed by the invention is suitable for all crops; and because of being an acidic fertilizer, the acidic monoammonium phosphate fertilizer is suitable for application in alkaline soil and capable of effectively improving saline soil and has the optimal application effect on crops such as rice liking an acid environment.

The invention discloses a fertilizer deep application and cultivation method for increasing the no-tillage middle-season rice yield and improving the nitrogen use efficiency. The method comprises thesteps of 1, field pretreatment, wherein an amides systemic herbicide is applied after preceding crops are harvested and before seedling slinging; 2, dry rice-nursery, wherein hybrid rice is selected,seeds are aired on a clear day before sowing, and the seeds are placed in flowing clear water and soaked in the daytime and are fished out, spread and aired in the night; 3, fertilizer deep application, wherein deep application is conducted on a base fertilizer, broadcasting is conducted on an additional fertilizer, the base fertilizer is a nitrogen-phosphorus-potassium mixed fertilizer, deep application can also be conducted after nitrogen, phosphorus and potassium fertilizers are mixed, and the later additional fertilizer is mainly urea; 4, filed seedling slinging, wherein the fertilizer deep application is completed, irrigation field steeping is conducted before seedling slinging; 5, water management, wherein at the seedling stage, a shallow-water layer is kept, at the tillering stage,intermittent irrigation is conducted, and at the yellow ripening stage, air-drying is conducted after the dough stage; 6, filed management. The fertilizer deep application and cultivation method for increasing the no-tillage middle-season rice yield and improving the nitrogen use efficiency is easy to conduct and convenient to operate, effectively reduces ammonia volatilization and nitrogen loss of a no-tillage rice field, improves the nitrogen use efficiency of the no-tillage rice field, and increases the yield of the no-tillage rice field.

The invention belongs to the field of agricultural cultivation and discloses a multi-point balanced high-yield water and fertilizer management method for paddy rice. In a cultivation process of the paddy rice, a manner of less irrigation and more exposure, a plurality of times of little fertilization and a plurality of times of slight field draining is adopted for a long period; a fertilization manner adopts a seedling hole fertilization manner; a group regulation and control manner adopts stable and balanced growth at a full growth period; the multi-point balanced high-yield water and fertilizer management method for the paddy rice specifically comprises the following steps: cultivating seedlings; carrying out transplanting management and transplanting; carrying out reviving stage management and reviving; carrying out jointing early-period management and carrying out jointing; carrying out heading stage management. By adopting the multi-point balanced high-yield water and fertilizer management method disclosed by the invention, early ripening and rapid sprouting of the paddy rice are facilitated; low-position tillering is accelerated, the ear-bearing tiller percentage is greatly improved and the effective ear quantity is increased; large ears are easy to form; the growth vigor of a paddy rice field is balanced and consistent, individuals are healthy and strong and groups are coordinated; the quality of the groups is greatly improved and the photosynthetic efficiency is improved.

The invention provides a growth regulating agent capable of improving hybrid rice seed production and sterile line seed reproduction yield. The growth regulating agent is prepared from the following components: 2,4-epibrassinolide, indole-3-acetic acid, zeatin and water, and the pH value is 5.8 to 6.5. By using the growth regulating agent provided by the invention, in hybrid rice seed production and sterile line seed reproduction, the productive tiller percentage of a sterile line can be improved, so as to increase the number of productive ear, floret degeneration can be reduced, so as to increase kernels per spike, grouting is promoted, so as to improve ripening rate and / or increase thousand seed weight, and finally the hybrid rice seed production yield and the sterile line seed reproduction yield are improved. The growth regulating agent is simple and easy in preparation method, is good in product stability, strong in efficiency, safe and reliable, free of side effect and is suitable for popularization and application in hybrid rice seed production.