60results about How to "Increase the number of grains per spike" patented technology

The invention discloses a long-acting nitrogen-rich rice special organic fertilizer prepared from the following raw materials by weight: 10-16 parts of urea, 1-2 parts of bentonite, 15-20 parts of pig blood powder, 25-35 parts of sweet potato vine, 5-7 parts of fig leaf powder, 12-16 parts of sugar residue, 6-8 parts of distiller's grains, 5-7 parts of calcium superphosphate, 0.1-0.2 part of urease inhibitor, 8-10 parts of coffee slag, 15-20 parts of buffalo milk powder, 5-6 parts of potassium sulfate, 4-5 parts of silicon sulfate, 4-5 parts of potassium dihydrogen phosphate, 20-30 parts of a soil conditioner, and proper amount of water; compared with traditional fertilizers, the use mount of the organic fertilizer is greatly reduced, by addition of the sweet potato vine, the pig blood powder, the buffalo milk powder and other organic matters with rich nutrient elements, soil can be improved effectively improved and fattened, soil organic matter content is increased, the added urease inhibitor slows hydrolysis of tillering stage urea, ammonium nitrogen content in booting stage soil is improved, and the organic fertilizer provides adequate nitrogen fertilizer for later stage growth of rice.

The invention relates to a high-yield cultivation method for winter wheat in the Huanghuaihai region. The high-yield cultivation method comprises the following five main steps: (1) performing soil preparation and sowing; (2) managing before winter; (3) managing in spring; (4) managing in middle and later stages; and (5) harvesting. According to the technical mode of selecting a winter variety, returning straw to the field, applying fertilizers, performing deep loosening and deep digging, performing rotary tillage and soil preparation, performing broad accurate sowing, mechanically pressing, watering in winter, backwards shifting nitrogen fertilizers, spraying once to prevent pests and diseases, dry and hot wind and lodging, and mechanically harvesting, the high-quality wheat variety which is high in yield, stable in yield and strong in lodging resistance is selected, the soil fertility is raised, seeds are sowed at proper time, the proper pre-winter management is performed, the survival rate of the wheat seedlings is increased, and the uneven growth is prevented; organic fertilizers and inorganic fertilizers are reasonably combined, the technology of backwards shifting the nitrogen fertilizers and applying potassium in stages is applied, the nutrient needs of the wheat at different stages are sufficiently guaranteed, a reasonable group structure is established, the spikelet floret degeneration is reduced, the kernels per spike are increased, the functional period of green leaves is prolonged, the grain filling is promoted, the thousand seed weight is increased and the high-yield breakthrough is realized.

The invention provides a temperature-control controlled-release synergistic fertilizer for biological dwarf, belonging to the field of chemical technology. The fertilizer comprises the following components in parts by weight: 0.1-0.2 part of temperature-control stimulin, 3-12 parts of a beneficial microorganism bacterium agent, 0.4-1 part of a chemical fertilizer controlled-release agent, 0.8-1.2 parts of active humus, 0.1-0.2 part of rootone hormone, 18-32 parts of nitrogen, 5-22 parts of phosphorus, 2-20 parts of potassium, 4-15 parts of medium trace elements and 0.1-0.3 part of organic silicon. The temperature-control controlled-release synergistic fertilizer has the advantages of a physical controlled-release agent and a biochemical controlled-release agent, the fertilizer effect can be accurately released according to the change of soil temperature, the effect of reinforcing temperature control and controlled release can be achieved, the growth requirements of crops are met, the fertilizer effect of the temperature-control controlled-release synergistic fertilizer is improved, the utilization rate of the temperature-control controlled-release synergistic fertilizer is increased, the damage caused by diseases is reduced, the cost-saving synergistic effect is very remarkable, and the temperature-control controlled-release synergistic fertilizer has the characteristics of continuous high yield and efficiency, environmental protection and strong adaptability, and has wide market prospect.

The invention discloses a winter wheat recommended fertilization method and relates to the technical field of crop fertilization. The method includes the steps that after summer crops are harvested, soil is deeply ploughed or deeply scarified, chicken manure, cow dung and human feces are mashed and mixed to be uniform, the mixture is scattered to the earth surface, and the soil is subjected to rotary tillage and soil preparation; winter wheat seeds are dressed with bactericide or / and insecticide; 3-5 days after rotary tillage and soil preparation, the soil is irrigated before sowing is carried out; 2-3 days after irrigation before sowing is carried out, the soil is subjected to sowing, fertilization and rotary tillage integrated operation; on the last ten days of December, the soil is subjected to warming irrigation; 2-3 days after warming irrigation, straw smashed segments are laid on the earth surface; at the elongation stage of winter wheat, the soil is topdressed, and mepiquat chloride, gibberellins and plant cell cytokinin are sprayed. According to the method, the earth temperature is increased through winter irrigation and laying of the straw smashed segments, water and fertilizer are retained, it is avoided that the wheat is subjected to frost bites and frost damage, so that the normal growth period of the wheat is affected, and the yield of the wheat is stably increased.

The invention provides a technology for controlling late spring coldness harm to winter wheat. According to a late spring coldness forming mechanism of winter wheat, good seeds and a good method are matched, preventive coping and remediation measures are combined, forming of cold injury of late spring coldness is controlled, late spring coldness harm is reduced, the technology includes the steps that late-spring-coldness-resistant varieties are selected, preventing measures are taken, it is hindered that cold air and currently warm air form a convection peak so that forming of cold injury of late spring coldness can be controlled, remediation measures are taken, the number of tillers is increased, quality of the tillers is improved, and stem loss is compensated for. By means of the technology, cold injury of late spring coldness is relieved or avoided, the number of the tillers per mu is increased, the number of spikes per mu is increased, the number of grains per spike and thousand kernel weight are increased, and the technology has great significance in the Huang-huai wheat region, in particular to late spring coldness control over wheat in the Shandong wheat region.

The invention relates to a ratooning rice special production-increase regulator, a preparation method therefor and an application thereof. The regulator contains the following components by weight percent: 21.4-25.6% of plant growth regulator, 0.3-0.6% of organic acid, 6.5-6.7% of active agent and spreader and balance of water, wherein the plant growth regulator contains ethephon and compound potassium nitrophenolate; the organic acid is selected from citric acid, malic acid or succinic acid; and the active agent and the spreader are selected from one or a plurality of tween 20, tween 30, tween 40, tween 60, tween 80 and tween 85. The plant growth regulator is the multi-functional product which can improve the germination bearing tiller, the maturing rate and the thousand seed weight of the axillary buds of the low-level tillering nodes of reverse 3, reverse 4, reverse 5 and the like on the mother stems of the ratooning rice and increase the yield, and has the characteristics of no toxicity, no side effect, low cost, convenient use and the like.

The invention relates to a compound amino acid fertilizer synergist which is suitable for a drop irrigation or microspray irrigation system, and a preparation method of the compound amino acid fertilizer synergist. The method comprises the steps of preparing a mixed catalyst, preparing a mixed amino acid salt, preparing a polymeric amino acid salt, preparing auxiliary materials, preparing the compound amino acid fertilizer synergist and the like. After the compound amino acid fertilizer synergist is adopted, the root activity of corns at the seedling stage is remarkably improved by more than 35%; compared with common urea, the urea added with the compound amino acid fertilizer synergist is capable of remarkably increasing the kernels per spike and the hundred-grain weight of the corns respectively by 15.5% and 3.8%, the yield is increased by 19.7%, and the apparent utilization rate of nitrogenous fertilizer is improved by 9.85%.

The invention discloses a rice double-flower spikelet gene DF1. The rice double-flower spikelet gene DF1 has a genome nucleotide sequence shown as Seq ID NO: 1 and a cDNA (complementary Deoxyribonucleic Acid) nucleotide sequence shown as Seq ID NO: 2; the invention further discloses protein coded by the protein and has an amino acid sequence shown as Seq ID NO: 3; the invention further discloses amutant gene of the gene and protein coded by the mutant gene, a recombinant expression vector and a host cell which contain the gene, and a method for regulating and controlling the quantity of spikelets and flowerlets of gramineous plants by utilizing the gene; the invention further discloses application of the gene and the protein and the like to regulation and control of the quantity and the yield of the spikelets and the flowerlets of the gramineous plants. According to the rice double-flower spikelet gene DF1, one DF1 gene which influences deterministic development of the spikelets of rice is separated by utilizing a map-based cloning technology and functions of the gene are identified by utilizing a transgene complementary test; the spikelet number of the rice can be improved through a molecular design of the quantity of the flowerlets in the spikelets and novel concept and method are provided for culturing high-yield new varieties.

The invention discloses application of a protein and a related biological material thereof in increasing plant yield. The protein is the following A1) or A2) or A3): A1) protein of which the amino acid sequence is Sequence 2; A2) plant-yield-related protein obtained by substitution and / or deletion and / or addition of one or more amino acid residues on the amino acid sequence disclosed as Sequence 2 in the sequence table; or A3) fusion protein obtained by connecting a tag to the N terminal or / and C terminal of A1) or A2). The increase of the plant yield comprises improvement of plant yield related traits, including at least one of spike length, number of spike grains, weight of thousand-grain, grain length, grain width, primary rachis branch number and secondary rachis branch number. The experiment proves that the protein and coding gene thereof can be utilized to enhance the spike length, number of spike grains, weight of thousand-grain, grain length, grain width, primary rachis branch number and secondary rachis branch number of the plants, thereby increasing the plant yield.

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 a crop cultivation method, in particular to a micro-ridge film-covering hole sowing water-saving cultivation method for closely planted crops in irrigation areas. The micro-ridge film-covering hole sowing water-saving cultivation method for the closely planted crops in the irrigation areas is characterized in that the yield-increasing mechanism adopting micro-ridge film-covering furrow irrigation, temperature rising, soil moisture preservation, rainwater harvesting and water saving is utilized, the moisture and fertilizer using efficiency is improved, agricultural microclimate is improved, a soil structure is changed, a photosynthesis environment is optimized, the production limitation problem caused by drought factors on the closely planted crops for a long time is effectively solved, and the yields of spring wheat, malting barley, oilseed rape and other closely planted crops are improved remarkably.

The invention belongs to the technical field of paddy rice breeding and discloses a paddy rice breeding method. According to the paddy rice breeding method, an imported foreign material is hybridizedwith a local variety; after different generations of separation and selection are carried out, properties are listed as follows: a combination (1): IR71121-35-1-1-1-2 / V13 hybridized F4 has the plant height of 80 cm, the quantity of total grains per ear is 246.7 and the fruiting rate is 73.4 percent; a combination (2): IR64446-2 / Dianjingyou No. 5 hybridized F5 has the plant height of 90 cm, the quantity of total grains per ear is 189.0 and the fruiting rate is 93.5 percent; a combination (3): Taebongbyeo / Undong 31 / / Yujing No. 8 hybridized F3 has the plant height of 90 cm, the quantity of totalgrains per ear is 203.0 and the fruiting rate is 91.0 percent. The paddy rice breeding method provides abundant paddy rice breeding resources for scientific researches and variety improvement of riceculture; the intra-regional and inter-regional genetic diversity is further expanded and a new leap of the production of paddy rice is realized.

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 discloses a wheat foliar fertilizer. The wheat foliar fertilizer consists of the following components in parts by mass according to formula: 16 to 18 parts of cigarette end water, 15 to 17 parts of ginger juice, 4 to 6 parts of salicylic acid, 8 to 10 parts of glucose, 3 to 5 parts of chelating zinc, 12 to 14 parts of drought-resistant growth nutrient, 4 to 6 parts of celastrus angulatus cream oil, 1 to 3 parts of accelerant, and 100 to 200 parts of distilled water. The wheat foliar fertilizer has the advantages that the cold-resistant, drought-resistant and fall-resistant capabilities of wheat are improved, the early aging is prevented, the foliar function period is prolonged, the photosynthesis is improved, and the number of ears per mou, number of grains per ear, and thousand seed weight of the wheat are increased.

The invention relates to an efficient application method of winter wheat trace element fertilizer in a wheat and maize rotation system. The method comprises the following steps of applying zinc fertilizer to soil and applying zinc fertilizer and selenium fertilizer to leaf surfaces by an unmanned aerial vehicle, wherein the zinc fertilizer sprayed by the unmanned aerial vehicle is sprayed to the leaf surfaces by adopting the unmanned aerial vehicle in the wheat filling stage, and the selenium fertilizer sprayed by the unmanned aerial vehicle is sprayed to the leaf surfaces by adopting the unmanned aerial vehicle in the wheat heading and filling stages. The process of applying the zinc fertilizer to the soil and spraying the zinc fertilizer by the unmanned aerial vehicle is a relatively economical mode for increasing the yield of wheat grains on the potential zinc-deficient soil and increasing the content of trace elements such as grain zinc, and a relatively good effect is achieved forimproving the zinc nutrition quality of wheat.

The invention provides a water-saving high-yield cultivation method for winter wheat. The method comprises the steps of holding water content before planting; optimizing soil preparation; optimizing fertilization; and optimizing irrigation. Compared with a traditional planting mode, the cultivation method has the advantages that one-time irrigation is saved in the later period, so that investment in the whole growth period is not obviously increased, but the yield is relatively high, the water consumption is relatively low, and the whole input-output ratio is the highest. By adopting the cultivation method, good soil fertility and moisture conditions are created for growth of the winter wheat before planting, and the winter wheat is promoted to form enough group and strong seedlings before winter; and a relatively high kernel number per spike is obtained through sufficient fertility supply after a slow-release nitrogen fertilizer is adopted, thereby obtaining the highest yield and input-output ratio. Above all, by adopting the method provided by the invention, 446.5m<3> underground water can be saved for per hectare, the method has positive significance for the Haihe plain which is seriously lack of water, soil wind erosion of a wheat field can be significantly reduced and the average soil erosion intensity is reduced by 69.9% in comparison with a conventional cultivation mode.

The invention belongs to the technical field of agricultural production and discloses a sowing time and density management method and system in early-autumn wheat cultivation without irrigation. In the method, early-autumn wheat growing period, economic characters and stem tiller trend are analyzed, yield components of comprehensive characters of effective panicles, ear grains and thousand kernelweight are analyzed, and the sowing time is (from 20th August to 10th September) ( 30-40 days earlier as compared with that in the prior art); wheat seedlings are in abundant rainfall from seedling tocutoff, frost weather is staggered during the booting and flowering periods, and heat-forced maturity from pulp filling to maturity periods; the density is in 200-250 thousand per mu. The effective panicle, maturing rate, thousand kernel weight and the like can be effectively increased by relying on ear bearing of main stems, and the yield is significantly higher than that of wheat under existingconditions.

The invention discloses wheat foliar fertilizer. The wheat foliar fertilizer is prepared from the following formula components in parts by mass: 16 to 18 parts of cigarette end water, 15 to 17 parts of ginger juice, 4 to 6 parts of salicylic acid, 8 to 10 parts of glucose, 3 to 5 parts of chelated zinc, 12 to 14 parts of an fulvic acid drought resisting agent, 4 to 6 parts of celastrus angulatus missible oil, 1 to 3 parts of an accelerant and 100 to 200 parts of distilled water. By adopting the wheat foliar fertilizer, cold resisting, drought resisting and lodging resisting capabilities of wheat are improved; early ageing is prevented, a leaf function period is prolonged and the photosynthetic effect is enhanced, so that the ears per Mu, grains per ear and thousand seed weight of the wheat are improved.

The invention discloses a cultivation method for winter wheat. The method comprises the steps of seed processing, wherein after full and clean seeds are aired, seed dressing is performed; soil preparation and fertilization are performed, wherein one or two of insecticide and anti-grass agents are added into surface soil, shallow plowing and deep ploughing are performed on a land parcel to be sown,and then fertilization is performed; seed sowing, wherein seeds are sown from the middle ten days of September to the middle ten days of October, overwintering water is used for irrigation after seedling emerging; field management, wherein when wheat seedlings are turned into light green from grayish green, regeneration water is irrigated, and topdressing is performed; harvesting, wherein when straw and upper leaves are golden yellow, harvesting is performed when no nail mark is formed by pinching grains. Compared with common planting methods, the method for planting winter wheat remarkably increases the acre yield, the number of kernels per spike and the thousand seed weight.

The invention belongs to the technical field of plant protection and fertilizer, and more specifically relates to applications of fulvic acid and a fulvic acid salt in transplanting rice field weed prevention and control, and rice field yield increasing. According to the invention, fulvic acid and the fulvic acid salt are applied in transplanting rice fields as active components to prevent and control gramineous weeds and broadleaf weeds, shortening rice maturing period, increasing yield factors such as rice plant height, rice spike length, and maturing rate, and increasing rice yield.

The invention provides application of the wheat transcription factor WRKY70 gene in regulation and control of plant growth and development, a CDS sequence of the wheat transcription factor WRKY70 gene is constructed to the upstream of an overexpression vector with an FLAG protein tag through an enzyme digestion connection technology, a wheat plant is transformed, screened and identified, and finally a transgenic plant is obtained. The screened plants are analyzed and found to have phenotypes of increasing the grain number per ear of wheat, reducing the plant height and reducing effective tillering, that is, the gene affects the yield of the plants. Homologous genes in crops may have the same or similar functions, so that the genes have important significance in production.

The invention discloses an organic microelement water-soluble fertilizer which comprises following components by weigh percent: 30-50% of choline chloride, 4-8% of diethyl aminoethyl hexanoate, 5-15% of zinc sulfate heptahydrate, 10-20% of cellulose, 0.01-0.05% of brassinolide and the balance of water. A preparation method of the fertilizer comprises the steps of mixing the choline chloride with water according to a weight ratio, mixing uniformly to obtain a water solution of choline chloride, adding diethyl aminoethyl hexanoate, zinc sulfate heptahydrate, cellulose and brassinolide into the water solution of choline chloride according to a weight ratio, then mixing to dissolve diethyl aminoethyl hexanoate, zinc sulfate heptahydrate, cellulose and brassinolide completely, precipitating, filtering the precipitated solution to remove impurities so as to obtain the organic microelement water-soluble fertilizer. The water-soluble fertilizer can be completely absorbed by crops, can increase yield remarkably, and has strong resistance against severe environment.

The invention provides a tetraploid rice breeding method. The method comprises the following steps of: selecting small long-grain fertile plants and small long-grain sterile plants from a hybrid and improved F2 generation segregation population of indica rice and japonica rice; pollinating female flowers of the sterile plants with indica rice restorer plants to obtain indica-biased type indica-japonica hybrid seeds; pollinating female flowers of the sterile plants with japonica rice restorer plants to obtain japonica-biased type indica-japonica hybrid seeds; respectively planting and selfing the indica-biased type indica-japonica hybrid seeds and the japonica-biased type indica-japonica hybrid seeds to obtain hybrid F2 generation seeds; stripping rice from the hybrid F2 generation seeds, weighing and selecting to obtain diploid small long-grain rice seeds; doubling doubling materials of the diploid small long rice seeds to obtain tetraploid rice materials; and breeding the tetraploid rice materials to obtain tetraploid rice seeds. Compared with traditional large-grain tetraploid rice, the grain number is increased by 40-60%, the effective grain number per unit area is increased by33.3-50.0%, the yield per unit area is increased by 20.0-25.0%, and the character can be stably inherited.

The invention relates to the technical field of efficient crop cultivation, in particular to a light, simple and efficient millet cultivation technology. The technology comprises the steps that 1, deep tillage and immediate raking and furrow collection are performed in the soil preparation process; 2, balanced fertilization is performed, and equal stress is laid on base fertilizer, seed fertilizer and additional fertilizer; 3, during seed sowing, seed grains and bean pulp are mixed and sown; 4, water and fertilizer planning and management are performed in the elongation-heading stage; 5, mechanical harvesting is performed. The technology has the advantages that the depth of the deep tillage soil is 25-35 cm, the basement soil permeability is improved, root growth is facilitated, drainage is facilitated, the emergence rate can be improved, and seedlings are strengthened; farmyard manure and phosphorus potassium fertilizer are matched to be used as a base fertilizer, and the fertilizer efficiency is improved; the seed grains and the bean pulp are sown at the same time, seedling thinning can be achieved, and the labor cost is effectively lowered; nitrogen fertilizer is postponed, dressing is performed in the elongation-heading stage, water and fertilizer are planned and managed, kernels per spike are increased, and increment is facilitated; timely harvesting is achieved, mechanical operation is achieved, the labor cost is lowered, and millet planting income of a farmer is increased. The novel technology capable of saving the cost and improving the effect saves labor and force, and is easy and convenient to implement and efficient.

The invention discloses a cultivating and planting method of lodging resistant rice. The cultivating and planting method of lodging resistant rice specifically comprises the following steps of step 1,performing basic work before rice cultivation; step 2, preparing rice seeds and clay before cultivation; step 3, performing reasonable seedling raising; step 4, performing optimized fertilizer and water management at a seedling emergence stage; and step 5, performing optimized watering management at the seedling emergence stage. The invention relates to the technical field of lodging resistant rice. According to the cultivating and planting method of lodging resistant rice disclosed by the invention, through united arrangement of the step 1 and the step 3, personnel perform adequate cleaningand disinfecting on agriculture apparatuses, so that during rice seedling raising, relatively stable seedling raising environment can be obtained, and invasion of microorganisms to rice seedlings is avoided; a special control promoting agent is used for raising rice seedlings, the rice control promoting agent contains high-activity control promoting factors and large, medium and trace elements, development of root systems is promoted, the photosynthetic rate is increased, effective tillering is increased, the kernels per spike are increased, carbon-nitrogen ratio is increased, and nutrition growth is urged.

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 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 discloses a cultivation and planting method of lodging-resistant rice, which specifically comprises the following steps: step 1: basic work before rice cultivation, step 2: preparation of rice seeds and clay before cultivation, step 3: rational seedling cultivation, and step 4: The optimized fertilizer and water management at the emergence stage, step 5: the optimized water management at the emergence stage, the invention relates to the technical field of lodging-resistant rice. The cultivation and planting method of lodging-resistant rice, through the joint setting of step 1 and step 3, the staff can fully clean and disinfect the agricultural equipment, so that the rice can obtain a relatively stable seedling environment when raising seedlings, and avoid microorganisms from affecting the rice. For the damage of seedlings, use special accelerators to grow rice seedlings. Rice accelerators contain high-activity accelerators and large, medium, and trace elements to promote the development of roots, increase photosynthetic rate, increase effective tillers, increase the number of grains per spike, and increase carbon The nitrogen ratio promotes vegetative growth.

The invention discloses use of a compound microbial fertilizer in reducing content of heavy metals in rice grains. A method for reducing the content of heavy metals in rice grains comprises the following steps: before transplanting rice seedlings, namely in the first ten days of June, applying 50-60 kg / mu of a 'Xinfengyuan brand' liquid ecological enzyme fertilizer as a base fertilizer; in the first ten days of July, applying 40-50 kg / mu of 'Xinfengyuan brand' liquid ecological enzyme fertilizer as a tillering fertilizer; after two weeks, applying 200-300 kg / mu of chicken manure in mid-to-late July as a second tillering fertilizer; and at the end of August, applying 15-20 kg / mu of the liquid ecological enzyme fertilizer as an earing fertilizer. The 'Xinfengyuan brand' liquid ecological enzyme fertilizer effectively reduces the content of heavy metals in brown rice, specifically remarkably reduces accumulation of heavy metals Pb, Co, Cr and V in the brown rice, particularly, regulates and controls Pb, and enables eating of rice grains to meet the national food safety standard.

The invention belongs to the technical field of crop cultivation, and particularly relates to a soil-moisture-preservation cultivation method for dry-land wheat. The soil-moisture-preservation cultivation method comprises the steps that ridges are formed on wheat field, wherein the width of each ridge is 40-60 centimeters, and the distance between the adjacent ridges is 80-100 centimeters; seedingis conducted on land between the adjacent ridges, wherein the seeding line spacing is 16-20 centimeters, and the surfaces of the ridges are covered with crop straw. Through scientific and reasonabledesign of the planting line spacing and the ridge width, by covering the ridges with the corn straw, a ventilated and light-permeable environment is formed in a wheat planting area, the wheat population quality is improved, the grain number per ear is increased, the thousand seed weight is improved, the temperature-increasing and moisture-preservation ability of soil is improved, and the yield increasing aim is achieved.