35results about How to "Great potential for increasing production" patented technology

The invention discloses a production method for wide-early-superior raw cotton in a cotton region in Northwest China. The method includes the following steps of 1, fission type elite seed production,wherein variety selection,10-ten-thousand-times fission type seed reproduction, and grain selection according to the grain size are conducted; 2, planting in rows with the equal width and conducting the following matching technologies: the variety selection and rational early sowing technology, the edge film widening and lighting technology, the sowing row no-covering-soil and film no-covering-soil technology, the appropriate seedling water dropping technology, the first water late-drop technology, the plant-height increasing and appropriate tip pruning delay technology, and the cotton-flowering and boll-forming fertilizer re-application technology; 3, an early-sowing and early-ripening matching technology; 4, superior raw cotton quality control technologies which includes the technology of uncovering mulching films in the optimum period and preventing pollution, the technology of spraying an appropriate amount of disleave agent and ripener in the appropriate period, the technology ofremoving field weeds and foreign matters and the technology of harvesting in the appropriate period. The method is feasible, operation is simple and convenient, conversion from short-dense-early 'getting cotton by temperature' to tapping of the potential of light, temperature and environment resources is achieved, and support is provided for high-yield, high-efficiency and high-quality cotton.

The invention relates to the technical field of rice seedling raising, and concretely relates to a method for producing a rice seedling medium from jasmine flower residues and tea dusts. The rice seedling medium is produced from, by weight, 35-45 parts of jasmine flower residues, 35-40 parts of rice field soil, 25-35 parts of jasmine branches, 20-25 parts of tea dusts, 10-15 parts of tea tree branches, 10-15 parts of minced corncobs, 10-15 parts of peanut vines, 8-10 parts of kudzu vines, 8-10 parts of cassava residues, 3-5 parts of dark tea bacterium culture, 0.5-1 part of zymocyte and 0.2-0.5 part of trace elements; and the trace elements comprise, by weight, 3-5 parts of ferrous sulfate, 2-3 parts of zinc sulfate, 2-3 parts of magnesium sulfate and 0.5-1 part of boric acid. The medium contains balanced nutrition, facilitates the uniform growth of seedlings, and makes transplanted seedlings have the advantages of strong rooting ability, fast green turning and early tillering.

The invention relates to a special organic-inorganic compound fertilizer for apples. The organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 180-220 parts of sugar residue, 20-50 parts of fulvic acid, 20-30 parts of an amino acid-trace element chelate, 20-30 parts of a binder, 180-220 parts of urea, 220-250 parts of monoammonium phosphate, 230-250 parts of potassium sulfate and 40-60 parts of ammonium sulfate; on the basis of the raw materials, 20-30 parts by weight of a nutritional regulator can be simultaneously added, the nutritional regulator comprises the following components in percentage by mass: 20-30% of chitosan oligosaccharide, 15-18% of ammonium molybdate, 20-35% of calcium propionate, 5-8% of ascorbic acid, 8-10% of amino acid and 18-25% of ZnCl2. The organic-inorganic compound fertilizer disclosed by the invention has the advantages that the soil is improved, the nutrient is evenly released, the diseases of apple trees are prevented, the resistance of plants is enhanced, the weight of single fruit is significantly increased, the color of the fruit is good, the yield is high and the like.

The invention relates to a lignin organic slow-release liquid fertilizer for wheat and a preparation method thereof, belonging to the technical field of organic slow-release fertilizers. The lignin organic slow-release liquid fertilizer for wheat is prepared from the following raw materials in parts by weight: 20-35 parts of lignin, 10-20 parts of a high molecular polymer, 2-8 parts of cellulose mud cakes, 3-7 parts of organic abamectin, 10-15 parts of acidic hemicellulose liquid, 10-15 parts of alkaline hemicelluloses liquid, 8-13 parts of a nitrogen fertilizer, 10-15 parts of a phosphorus fertilizer, 12-16 parts of a potassium fertilizer, 5-10 parts of nitric acid, 10-20 parts of plant cytokinin, 16-20 parts of zeolite powder, and 5-10 parts of activated carbon. The raw material components in the lignin organic slow-release liquid fertilizer for wheat coordinate with one another to achieve a synergistic action, the nutrient proportions of the raw materials consider the total nutrient requirement in the whole growth period of the wheat to ensure that the nutrient elements required by the growth and development of the wheat can be comprehensively supplied, so that the lignin organic slow-release liquid fertilizer is complete in nutrition, more in function, high in comprehensive fertility and great in potentiality and is special for the wheat.

The invention discloses a method for selective breeding middle-late-maturing high-yield hybrid corn, the excellent middle-late-maturing hybrid corn with high yield, high quality, strong stress resistance and good adaptability is bred by crossing T0278 as the female parent and T0270 as the male parent. The excellent hybrid corn selective bred by using the invention with a yield increase of more than 5% relative to the main hybrid corn at present, has the advantages of uniform filaments, strong viability, high maturing rate and good anther dehiscence of tassel. The spring sowing growth duration in Liaoning Province of the hybrid corn is about 133 days, which is one day later than Zhengdan 958, so that the needed effective accumulated temperature is about 2865 DEG C. The hybrid corn has tough and tensile stalk, developed root system, lodging resistance, strong drought resistance, mature stalk, and high and stable yield, which is a middle-late-maturing corn suitable for growing in Shenyang, Tieling, Jinzhou, Chaoyang, Fuxin, Liaoyang, Dandong in Liaoning Province and other regions.

The invention relates to the field of preventing and controlling agricultural pests, in particular to a biological pesticide which has the functions of killing pests and fertilizing and is used for killing great cloudy scarab beetle as well as solves the problems of causing harm to the environment and the human body health because the process of preventing and controlling the great cloudy scarab beetle depends on highly toxic pesticide overly. The process method comprises the following steps: any part of castor-oil plant is taken as a raw material and is ground into powder as well as is filtered through a fine screen with 50 to 60 meshes, and 1 to 3.5 percent of zinc, 0.2 to 0.4 percent of boron, 2 to 2.7 percent of manganese, 0.3 to 1 percent of iron, 0.3 to 3 percent of copper and 0.3 to 3 percent of sulfur which are weighed according to the mass of the castor-oil plant are added to be taken as potentiating agents and are mixed evenly. In the process of preventing and controlling the great cloudy scarab beetle, the biological pesticide can eliminate the highly toxic pesticide, reduce the repeated investment of manpower and material resources and financial resources, facilitate the energy conservation, recycling, environment protection and utilization of renewable resources, and meet new requirements of saving energy, recycling and protecting the environment.

The invention relates to a method for producing a special fertilizer for tea trees by using jasmine dried residues and tea dust as raw materials. The special fertilizer is prepared from the following raw materials in parts by weight: jasmine dried residues 25-30 parts, tea dust 20-25 parts, jasmine stems 20-30 parts, mulberry branches 20-25 parts, peanut vines 10-15 parts, tea tree branches 10-15 parts, roots of kudzu vine rattan 8-10 parts, peanut bran 8-10 parts, black tea fungi culture 3-5 parts, urea 3-5 parts, calcium superphosphate 1-3 parts, potassium oxide 1-3 parts, zymophyte 0.5-1 part and trace elements 0.2-0.5 part. The trace elements comprise the following components in parts by weight: ferrous sulfate 3-5 parts, manganous sulfate 3-5 parts, zinc sulfate 2-3 parts, magnesium sulfate 2-3 parts, copper sulfate 1-2 parts and boric acid 0.5-1 part. The special fertilizer for tea trees is balanced in nutrition, high in utilization rate and good in absorption; and soil cannot be caked easily.

The invention discloses a cultivation technique for interplanting spring brassica napus in young large cherry trees. Three-dimensional temperature-light interplanting is achieved by fully utilizing the land space, light, temperature, water and fertilizer resources of a young large cherry orchard, utilizing the growth period temperature-light requirement difference between the brassica napus and the cherry trees and utilizing the characteristics that the brassica napus grows fast in the early period, the cherry trees grow fast in the later period, the brassica napus enters a three-dimensional space meta-position of the ripen period and the harvest period, and the brassica napus and the large cherry trees do not compete for light and temperature. A positive effect can be generated for agricultural structure regulation and development mode changing of the broad northern region in China, so that planting industry structure regulation of the northeast region in China is more reasonable.

The invention relates to a breeding method of a high-quality malting barley variety and belongs to the technical field plant breeding. The method includes: Yan barley No. 3 bred by Jiangsu Coastal Area Agricultural Science Research Institute is used as the female parent and Su malting barley No. 6 is used as the male parent to perform artificial hybridization matching, the Su malting barley No. 6is used as the male parent to perform backcross in 2009, and disease resistance, yield, agronomic characters and quality appearance selection is performed in multiple continuous generations to breed the new malting barley variety Yan 09085 which can product malts meeting the top-grade national standards and is high in yield level, moderate in maturing period, wide in applicability, excellent in comprehensive characters and suitable for being planted in Jiangsu coastal areas.

The invention relates to the technical field of fertilizers for agricultural production and in particular relates to a method for producing a fertilizer special for sugarcane by taking jasmine dried residues and tea dust as raw materials. The fertilizer is prepared from the following raw materials in parts by weight: 25-30 parts of jasmine dried residues, 25-30 parts of mulberry branches, 20-25 parts of tea dust, 15-20 parts of jasmine flower stems, 10-15 parts of peanut vines, 10-15 parts of tea tree branches, 8-10 parts of kudzu root vines, 8-10 parts of edible fungus residues, 3-5 parts of black tea fungus culture, 3-5 parts of peanut bran, 3-5 parts of urea, 1-3 parts of calcium superphosphate, 1-3 parts of potassium oxide, 0.5-1 part of zymocyte and 0.2-0.5 part of trace elements. The fertilizer special for sugarcane, disclosed by the invention, is balanced in nutrition, high in utilization rate and good in absorption, and the soil is difficultly hardened.

The invention discloses a method for producing a special fertilizer for fruit trees from jasmine flower dregs and tea dregs as raw materials. The special fertilizer is prepared from the following raw materials in parts by weight: 30-35 parts of jasmine flower dregs, 25-30 parts of mulberry tree twigs, 20-25 parts of tea dregs, 15-20 parts of jasmine stems, 10-15 parts of peanut vines, 10-15 parts of tea tree twigs, 8-15 parts of kudzu vines, 8-10 parts of wormwood, 8-10 parts of edible mushroom dregs, 5-8 parts of a sapindus mukorossi fruit liquid, 3-5 parts of a black tea bacterium culture medium, 3-5 parts of peanut bran, 3-5 parts of urea, 2-3 parts of matrine, 1-3 parts of superphosphate, 1-3 parts of potassium oxide, 0.5-1 part of a fermentation bacterium and 0.2-0.5 part of trace elements. The special fertilizer for fruit trees produced by using the method is balanced in nutrition, high in utilization rate, good in absorption, free of soil caking and capable of promoting fruit setting and fruit enlargement.

An autumn potato high-yield planting method includes the steps of preparing soil, selecting seeds, using a tool, adding chemical to be stirred with the seeds, culturing buds, sowing the seeds with buds in time, applying fertilizer and planting seedlings. The method has the advantages that natural grass fertilizer can be used, surface and subsurface waterlogging is avoided during soil preparation, nutrients of potato seeds can be ensured due to the specification of potato tubers, incision infection can be avoided by disinfecting the tool and adding chemical to be stirred with the seeds, and the technology of sowing the seeds with buds is the key technology of promoting early emergency, rapid emergency and robust seedling obtaining of autumn potatoes; sown potato seeds spend the first night in soil of a large field at proper temperature and undergo the high-temperature weather in the noon of the second day after adapting to the environment, and the survival rate is ensured; the yield can be ensured due to reasonable dense plantation, and by means of the systematic comprehensive planting method, the average yield of potatoes reaches 22500 kg / hm<2> and is increased by 1133.5 kg / hm<2> compared with the average yield of the whole county. Largely-popularized autumn potatoes are crops with rapidest area increase and largest yield-increase potential, the industry of autumn potatoes is the pillar industry for stabilizing grain yield and increasing farmer's income for poverty relief and development in linked pieces of conserved lands in the Wuling mountainous area.

The invention discloses a method of raising bitter gourd seedlings in a greenhouse by grafting and belongs to the technical field of raising of bitter gourd seedlings by grafting. The method comprisesthe steps of 1, soaking bitter gourd seeds, and accelerating germination; 2, soaking luffa rootstocks, and accelerating germination; 3, seeding; 4, grafting; and 5, providing management for grafted seedlings. The method herein has the advantages that bitter gourd germination rate and germination potential are high, the seeds germinate quickly and neatly, the seedlings are robust, and the bitter gourd has great potential of yield increase; during seeding, broadcasting is performed, so that time and labor are saved, labor efficiency is high, and production cost is reduced; after cut stems of bitter gourd are grafted by cleft grafting, more robust new roots are induced from roots of luffa rootstocks, more robust growth of grafted plants of bitter gourd is promoted, growth potential is higher, and the yield of bitter gourd is higher; heat insulation, moisture preservation and disease and pest damage control are effectively provided in the management of grafted seedlings, so that survivalrate of grafted seedlings of bitter gourd can be increased.

The invention relates to a method for shearing trees, wherein the trees are planted in two bars; the bar distance is 1.5-2 times of tree distance; the unit bar distance is 4-6 times of tree distance; the sick branch and over-density trees are cut off. The invention can improve yield.

The invention relates to a breeding method of a br-2 short-gene-type maize dwarf 268. The method comprises the following steps of: breeding a dwarf maize selfing line Yong 126 by taking a dwarf maize selfing line Ji 159, a common maize selfing line 8112 and a common maize selfing line Zheng 58 as background materials; breeding a dwarf maize selfing line Yong 872 by taking a dwarf maize selfing line Ji 35-8, a common maize selfing line Lian 1538 and a common maize selfing line Chang 7-2 as the background materials; and performing the cross breeding to breed the short hybrid maize swarf 268 by taking the dwarf maize selfing line Yong 126 as a female parent and the dwarf maize selfing line Yong 872 as a male parent. The method has the advantages that the maize is short, low in corncob, resistant to disease and falling, appropriate for close planting, high in yield, large in yield-increasing potential and suitable for mechanical harvesting. Therefore, the method has the great significances for improving the maize yield, developing the animal husbandry and improving the living standards of people.

The invention discloses a preparation method for producing slow-release flower fertilizer by using waste plastic granules. The slow-release flower fertilizer is mainly prepared from animal manure, thewaste plastic granules, urea, peanut shells, egg shells, peel waste, potato waste, plant ash, bonding agents, swill-cooked dirty oil and controllable degradation agents. Under the high pressure conditions, all the materials are processed into cylindrical granules. The slow-release flower fertilizer prepared by means of the treatment process specially meets the growth and development of flower plants and contains various nutrients such as nitrogen, phosphorus and potassium trace elements, the soil structure is reasonable, loosening and ventilation are conducted, the water and fertilizer retention capacity is high, the slow-release flower fertilizer does not burn roots, specially contains microbial beneficial bacteria and is free of pests and diseases, users conveniently plant flowers, thetime is saved, the slow-release flower fertilizer is environmentally friendly and odorless, the plant growth is accelerated, the plants are flourishing and fruitful, the plant survival rate is increased, the comprehensive characteristics are high, and the slow-release flower fertilizer has high popularization value.

The invention provides a high-yield tomato planting method for saving fertilizer in a solar greenhouse. A fertilization mode of layered fertilization in ridges is adopted, a single-row single-plant double-vine V-shaped planting mode is adopted, and finally E-shaped planting ridges are formed in combination with intertillage. According to the planting method, ventilation and light transmission areachieved, and few diseases and pests exist; the root systems are developed, and the yield-increasing potential is large; the investment on fertilizer, seedlings and pesticide is lower than a conventional planting mode; the mechanical level is high, the labor is relatively centralized, and the labor amount is low. By adopting the method, the obtained fruits are orderly, even, big, good in color, low in imperfect fruit quantity and high in good-quality fruit yield, and the yield is increased by 15% or above compared with the conventional planting mode. According to the method, planting is combined with breeding, and continuous cropping is avoided; the investment is low, management is facilitated, the labor and time are saved, and the high-yield and efficient aim is achieved.

The invention relates to the field of preventing and controlling agricultural pests, in particular to a biological pesticide which has the functions of killing pests and fertilizing and is used for killing great cloudy scarab beetles, so as to solve the problems of causing harm to the environment and the human body health because the existing process of preventing and controlling the great cloudy scarab beetles depends on highly toxic pesticides excessively. A processing method comprises the following steps: any part of a castor-oil plant is taken as a raw material and is ground into powder as well as is filtered through a fine screen with 50-60 meshes, and 1-3.5% of zinc, 0.2-0.4% of boron, 0.2-0.4% of molybdenum, 2-2.7% of manganese, 0.3-1% of iron, 0.3-3% of copper and 0.3-3% of sulfur which are weighed according to the mass of the castor-oil plant are added to be taken as potentiating agents and are mixed evenly. In the process of preventing and controlling the great cloudy scarab beetles, the biological pesticide provided by the invention can eliminate the highly toxic pesticides, reduce the repeated investment of manpower, material resources and financial resources, facilitate energy conservation, recycling, environment protection and utilization of renewable resources, and meet new requirements of saving energy, recycling and protecting the environment.

The invention discloses a method for breeding stock seeds of small intact virus-free potatoes, and belongs to the field of crops. The method includes steps of selecting stock seed breeding bases; carrying out preparation work before seeds are sowed; managing fertilizers and water in the bases. The method includes particular procedures of taking out stored stock seed potatoes before the seeds are sowed, rejecting diseased potatoes and rotten potatoes, then placing the stock seed potatoes in indoor environments with scattered light at the temperatures of 18-22 DEG C, allowing the stock seed potatoes to naturally sprout by means of dormancy, promoting buds to turn green and selecting the stock seeds which pass the dormancy and have short and robust buds to be used as seed potatoes; planting the stock seeds of potatoes at certain seed sowing density. The seed sowing density includes that the plant spacing is 10-12 cm for the potatoes with the weights of 3-20 g, and the planting spacing is 13-15 cm for the potatoes with the weights of 20-35 g. The method has the advantages that the planting density of the stock seeds of the potatoes is increased, the quantities and the yields of the small potatoes of the stock seeds produced by the aid of the method can be increased, and accordingly the purpose of sowing the seeds of the intact potatoes can be achieved; the seeds of the intact potatoes are sowed, accordingly, bud tuber slitting working procedures can be omitted, labor can be saved, and mechanical operation can be facilitated.

A method for preparing the hybrid corn Liyu B includes such steps as hybridizing between Zheng 58 and Mo 17, backcrossing with Zheng 58 as male parent by 3 generations, selfing by 5 generations to obtain selfing line 5812, and hybridizing between selfing line 5812 and selfing line H598.

The invention discloses a double-cropping silage corn-winter wheat high-yield and high-efficiency planting method, and belongs to the technical field of crop planting. According to the double-croppingsilage corn-winter wheat high-yield and high-efficiency planting method, continuous cropping of the silage corn and configuration of early-maturing varieties enable growth and development of the silage corn to be synchronously coordinated with changes of natural resources, efficient utilization of light and temperature resources throughout the year is achieved, the high-substance production capacity of the silage corn can be brought into full play, and the yield increasing potential is large; compared with a conventional winter wheat-summer corn production mode, the method has the advantagesthat the biological yield is increased by about 15%, the light energy production efficiency is improved by about 15%, the heat resource production efficiency is improved by about 20%, and the method has good popularization and application value.

The invention relates to the technical field of corn cultivation. The invention discloses a method for cultivating corn through high-ridge film mulching. The method comprises the following steps: 1) ridge culture field: the ridge height after soil preparation is 20-25 cm, and according to formed ladder-shaped ridges, the ridge bottom width is 120-130 cm, and the ridge top width is 90-100 cm; 2) film mulching: a mulching film with the breadth of 80-100cm and the thickness of 0.008 mm is selected for film mulching; and 3) mechanically sowing and fertilizing: the soil is regularly watered and irrigated, hoeing, insect killing and fertilization are carried out until the corns are mature, the corns are harvested, and therefore, the cultivation of the corns is completed. According to the method, the yield of the corns is greatly increased by changing the planting mode, shrinking ridges and increasing rows and performing film mulching planting.

The invention relates to a crossbreeding and propagation method of Yingzi No.1 wheat. The method comprises the following steps: (1) selecting Mimai No.6 wheat as a female parent and Mimai No.7 wheat as a male parent for hybridization; (2) castration is performed on the female parent, pollination can be performed after stigmas are mature after 1-3 days, young embryos are stripped after 25-28 days of pollination and cultured in vitro, and F1-generation wheat seeds are obtained; (3) vernalization treatment and generation-adding propagation are carried out on the F1-generation wheat seeds for multiple times to obtain F4-generation wheat seeds; vernalization treatment is carried out on the F4-generation wheat seeds, directional cultivation is carried out, and the Yingzi No.1 wheat is obtained.According to the method, the seed consumption per mu can be reduced by about 30%, the yield is increased by 10% or above on the original basis, and the wheat quality can be improved.

The invention discloses a fertilizer specially used in a blossom period of peas. The fertilizer is composed of urea, licorzinc, magnesium ascorbyl phosphate, baking powder, sodium bicarbonate, attapulgite, potassium fulvate, ascorbic acid, potassium dihydrogen phosphate, a plant extract, borax, calcium superphosphate, starch and water. The fertilizer can increase photosynthetic utilization rate and promote growth of the peas, has no toxic and side effects on the crops and human body, and also can increase blossom rate and fruit setting rate, promote growth of pea fruits, increase accumulation of microelements in the pea fruits, increase the weight of the peas and pea pods and increase plumpness of the pea pods. In the fertilizer, the components are combined together to achieve synergistic effects, so that content of chlorophyll in the peas is increased. The fertilizer can comprehensively supply the required nutritional elements which are required during growth of the peas in the blossom period. The fertilizer has comprehensive nutrients, is multifunctional, has strong comprehensive fertility and has high yield increasing potential, can increase yield of the peas and can improve quality of the pea fruits.

The invention discloses a cultivation technique for interplanting spring brassica napus in young large cherry trees. Three-dimensional temperature-light interplanting is achieved by fully utilizing the land space, light, temperature, water and fertilizer resources of a young large cherry orchard, utilizing the growth period temperature-light requirement difference between the brassica napus and the cherry trees and utilizing the characteristics that the brassica napus grows fast in the early period, the cherry trees grow fast in the later period, the brassica napus enters a three-dimensional space meta-position of the ripen period and the harvest period, and the brassica napus and the large cherry trees do not compete for light and temperature. A positive effect can be generated for agricultural structure regulation and development mode changing of the broad northern region in China, so that planting industry structure regulation of the northeast region in China is more reasonable.

The invention discloses a high-yield wheat variety breeding method, which belongs to the technical field of crop breeding, and can guarantee that the number of grains per spike is more than 50. According to the technical scheme, the high-yield wheat variety breeding method comprises the following steps: (1) selecting mutant seeds, which are named as F1, with the spike length of 14cm-16cm and the number of grains of each spike of 60-80, and performing dibble seeding on large and full seeds in the autumn of the year; (2) harvesting clusters of F1 keeping 60-80 grains in the next year, and performing dibble seeding on large and full seeds in the autumn of the year; (3) repeating the step (2) twice or three times; (4) after the secondary or third dibble seeding is performed like the step (3), taking out male flowers from the robust clusters of F1, performing bagging and closing, pollinating the clusters of F1 by the male flowers of Ji wheat #22, finally closing the clusters which are named as F2; and (5) harvesting F2 in the next year to obtain the high-yield wheat variety.

The invention discloses a thin-planting early-maturing high-quality cultivation method for cotton, and relates to the technical field of crop cultivation. The thin-planting early-maturing high-qualitycultivation method for the cotton comprises 240-250 kg of seed cotton and 95-100 kg of ginned cotton, the yield structure is 1500-1600 plants / 667m<2>, bolls per plant is 30-32, the single boll weightis more than 5 g, the lint percent is more than 40%, the fiber length is greater than or equal to 30 mm, the fiber breaking tenacity is greater than or equal to 30 cN / tex, the micronaire value is less than or equal to 5.0, and the growth period is less than or equal to 110d. The thin-planting early-maturing high-quality cultivation method for the cotton can cultivate strong seedlings, the hybridadvantage is strong, the yield-increasing potential is large, the single boll number is large, the single boll weight is high, the stress resistance and the adaptability are high, soil moisture conservation, drought resistance, water drainage, wind resistance and lodging resistance enhancement are facilitated, inter-row ventilation is facilitated, and boll rotting is reduced; and cotton topping isconducted at proper time, so that the apical dominance and the plant height are controllable, invalid flower buds are avoided, nutrient consumption is reduced, squaring bolls on the lower middle portion and the inner periphery can obtain sufficient nutrients, the boll forming rate and the boll weight are increased, the yield of flowers before frost is increased, and meanwhile due to sufficient nutrient supply in the boll forming period, the quality of cotton fibers can be remarkably improved.

The invention relates to a multielement drip irrigation fertilizer which is prepared from urea, industrial monoammonium phosphate, potash fertilizer, zeolite, serpentine and pulverized fuel ash and is a high and new technological product formed by combining a mineral fertilizer and an inorganic fertilizer. The drip irrigation fertilizer contains tens of nutrient elements and lanthanide-series rare earth, and the synergistic effect and the superposition synergic effect among the elements are obvious. By field tests, the invention has the advantages that by using the multielement drip irrigation fertilizer under the condition of reducing the dosage of nitrogen, phosphorus and potassium, cotton is increased by 3.5%-6% in yield, and the quality is improved; sugarbeet is increased by 6%-8% in yield, and a soluble solid state material is improved by 0.5-1.2 degrees; grape is increased by 5%-7.6% in yield, the soluble solid state material is improved by 0.5-0.8 degree; tomatoes for making sauce are increased by 5%-8% in yield, the soluble solid state material is improved by 0.8-1.5 degrees, and lycopene is improved by 10%-12%; and melon is increased by 6% in yield, and the soluble solid state material is improved by 0.5-1.2 degrees.

The invention relates to a breeding method of a br-2 short-gene-type maize dwarf 268. The method comprises the following steps of: breeding a dwarf maize selfing line Yong 126 by taking a dwarf maize selfing line Ji 159, a common maize selfing line 8112 and a common maize selfing line Zheng 58 as background materials; breeding a dwarf maize selfing line Yong 872 by taking a dwarf maize selfing line Ji 35-8, a common maize selfing line Lian 1538 and a common maize selfing line Chang 7-2 as the background materials; and performing the cross breeding to breed the short hybrid maize swarf 268 by taking the dwarf maize selfing line Yong 126 as a female parent and the dwarf maize selfing line Yong 872 as a male parent. The method has the advantages that the maize is short, low in corncob, resistant to disease and falling, appropriate for close planting, high in yield, large in yield-increasing potential and suitable for mechanical harvesting. Therefore, the method has the great significances for improving the maize yield, developing the animal husbandry and improving the living standards of people.

The invention discloses a production method for wide-early-superior raw cotton in a cotton region in Northwest China. The method includes the following steps of 1, fission type elite seed production,wherein variety selection,10-ten-thousand-times fission type seed reproduction, and grain selection according to the grain size are conducted; 2, planting in rows with the equal width and conducting the following matching technologies: the variety selection and rational early sowing technology, the edge film widening and lighting technology, the sowing row no-covering-soil and film no-covering-soil technology, the appropriate seedling water dropping technology, the first water late-drop technology, the plant-height increasing and appropriate tip pruning delay technology, and the cotton-flowering and boll-forming fertilizer re-application technology; 3, an early-sowing and early-ripening matching technology; 4, superior raw cotton quality control technologies which includes the technology of uncovering mulching films in the optimum period and preventing pollution, the technology of spraying an appropriate amount of disleave agent and ripener in the appropriate period, the technology ofremoving field weeds and foreign matters and the technology of harvesting in the appropriate period. The method is feasible, operation is simple and convenient, conversion from short-dense-early 'getting cotton by temperature' to tapping of the potential of light, temperature and environment resources is achieved, and support is provided for high-yield, high-efficiency and high-quality cotton.