1038 results about "Green manure" patented technology

The invention discloses a saline-alkali soil improvement method. The saline-alkali soil improvement method comprises the following steps: a step I of leveling and cultivating, wherein the saline-alkali soil is firstly leveled and then deeply cultivated by 40 centimeters by virtue of deep-ploughing machinery; after being diluted by 100 times with water, green manure nutrient liquor brewed by a three-in-one leavening agent is used for irrigation; a step II of applying fertilizer and cultivating, wherein aeolian sandy soil easily obtained locally is uniformly scattered on the surface of primarily leveled and cultivated soil; a step III of preparing rectangular pieces of land in a field and planting, wherein planting ridge rectangular pieces of land in the field are designed and manufactured; a step IV of subsequently governing, wherein measures of not using fertilizers and substances which are not chemically synthesized in early-stage, middle-stage and later-stage filed management processes after the plants are planted, not watering and uninterruptedly irrigating the green manure nutrient liquor are taken. The saline-alkali soil improvement method disclosed by the invention can be used for strengthening soil fertility, and changing physical and chemical properties and microbial activity of the soil.

The invention provides a high-yield cultivation method for sugarcanes. The high-yield cultivation method includes directly applying raw materials of green manure into newly excavated sugarcane furrows; allowing the raw materials of the green manure to ferment under film covering closed conditions for 15-25 days; lifting each mulching film to a side of the corresponding sugarcane furrow after the raw materials ferment and become thoroughly decomposed; adding compound fertilizers into the sugarcane furrows; covering soil on the compound fertilizers; planting sugarcane seedlings. The raw materials of the green manure comprise, by weight, 300-500 parts of broken sugarcane leaves, 300-500 parts of silt from fish ponds, 200-300 parts of farmyard manure, 200-300 parts of bran hulls, 100-200 parts of sweet potato residues, 50-100 parts of yeasts and 20-50 parts of lactic acid bacteria. Sugarcane buds are soaked in mixed solution for 18-24h to obtain the sugarcane seedlings, and the mixed solution comprises 6-24 parts of quicklime, 1-1.5 parts of gibberellin missible oil and 800-1200 parts of water. The high-yield cultivation method for the sugarcanes has the advantages of high bud ratio, low fertilizer and pesticide consumption in planting procedures and capabilities of obviously increasing the yield of the sugarcanes and obviously improving the quality of the sugarcanes.

The invention discloses a method for quickly improving inland severe saline-alkaline wasteland. The method mainly comprises the steps of scraping ground surface salinity, performing deep ploughing and stubble cleaning, spreading desulfurization gypsum and weathered coal in a layered mode, digging drainage ditches, making field ridges to form strip fields, finely flattening the land, performing leisure salt leaching in rainy season, evenly applying an organic fertilizer and a modifying agent, performing winter irrigation for salt leaching, continuously spreading the desulfurization gypsum and weathered coal in the second year and third year in a layered mode, evenly applying half of organic fertilizer and modifying agent dosage and performing winter irrigation for salt leaching; planting leguminous green manure vicia villosa or alfalfa in the first year after improvement, performing mowing and green manure dressing and ploughing soil at a vigorously growing stage; planting sugarbeet or forage maize at the second year; planting grain corns or sorghums at the third year, and normally ploughing and using the land at the fourth year. The method for quickly improving the inland severe saline-alkaline wasteland integrates water irrigation and drainage, salt leaching, soil salinization controlling on flat ground, chemical salinization improvement, biological salinization controlling and other technologies and can quickly reduce soil pH and ESP of the inland saline-alkaline wasteland, improve the saline-alkaline wasteland improving speed and shorten an improvement period for changing the wasteland into cultivated land.

The invention provides a method for performing mixed sowing of astragalus sinicus and oilseed rape and returning green manures to the field. The method comprises the following steps: a, sowing astragalus sinicus, namely sowing seeds of astragalus sinicus 25-35 days before harvesting of late rice, and keeping field water suitable for growth of astragalus sinicus; b, sowing oilseed rape, namely oversowing seeds of oilseed rape 1-3 days after harvesting of late rice; c, turning over and pressing the astragalus sinicus and the oilseed rape, namely when the astragalus sinicus is in a full-blossom period and the oilseed rape is in a bud period, simultaneously turning over and retting two types of green manures about 15 days before planting of early rice, wherein routine ploughing, fertilizing and early rice transplanting can be performed after retting is performed for 8-10 days. The method provided by the invention can be used for solving the problems of single planting variety and single planting structure in production and utilization of green manures in the southern double-crop rice region, effectively solving the problems that green manure nutrients are imbalanced after uni-sowed Chinese milkvetch or oilseed rape is turned over and pressed and thus nutrient supply can not meet the requirements of the whole early rice growth period on the nutrients, and the like, being beneficial to the improvement on the yield and quality of aftercrop early rice and playing a role in directly promoting the green manure development re-arisen in China.

The invention provides a method for increasing yield and improving quality of continuously cropped flue-cured tobacco. The method combines planting and turning over and pressing green manure with applying decomposing agents and microbial fertilizer. When the green manure is turned over and pressed in spring, the decomposing agents are applied; a base fertilizer includes both special tobacco compound fertilizer and the microbial literalizer, so that green manure can give a full play in improving the soil, increasing yield and improving quality of tobacco. Therefore, the method is a simple, effective and practical method for increasing yield and improving quality of the continuously cropped flue-cured tobacco leaves. The yield of the tobacco leaves is increased by 15.2%-19.8%, both the appearance quality and the internal quality of tobacco leaves are improved, and the high and intermediate-grade tobacco yield is increased by 7.5%-10.5%.

The invention discloses a method for planting fruit trees in sloping fields, comprising the steps of 1, garden site selection, wherein sloping fields with the gradient smaller than 20 degrees are selected as the planting area; 2, improvement on soil of the garden site, wherein grass grows between lines so as to prevent water and soil loss, and the grass can be taken as green manure to be returned to the garden site after being cut, so as to further improve the soil environment of the garden and fertilize the soil productivity; 3, planning of functions of the area of the garden site, wherein planting areas, roads, arrangement of drainage and irrigation systems, rooms for management, tools and rooms for agricultural materials, packaging fields, dosing pools and protection forest zones are planted on the area of the garden site; and 4, planting fixing and planting of the seedlings, wherein planting density, planting method and fruit tree support arrangement are determined according to the varieties of the planted fruit trees, the fruit trees are planted in the planting zone, region planning is carried out on the sloping field, the soil of the sloping field is improved, the fruit trees are planted according to lines or rows, and terrace-type planting is not carried out any more, thereby being convenient for work of mechanical devices and keeping the original landform of the sloping field.

The invention discloses an acidified soil improvement method for a rubber plantation. The method comprises the following steps of: 1, selecting sowing time and green manure variety; 2, planting green manure, i.e., A, performing seed dressing by using symbiotic matching root nodule bacteria and phosphorus fertilizer before plantation of leguminous green manure; and 3, harvesting and burying the green manure, i.e., burying the harvested green manure in a dressing furrow and performing combined application of lime as a corrosion promoter in a burying process. The method aims at serious acidification of soil of the rubber plantation; meanwhile, no systematic control technology system is available at present; and the leguminous green manure with higher acid resistance and shading resistance is selected and used and application of microbial manure, DCD (dicyandiamide), the lime and the like is combined according to farm operation time process such as rubber plantation soil fertilization and winter management, so that the pH (Potential of Hydrogen) of the soil and contents of soil organic matter and the like of the rubber plantation are improved, thereby improving the acidified soil of the rubber plantation.

The present invention discloses an integration method of large-scale coastal newly reclaimed beach agricultural land ecologicalization exploitation, and belongs to the field of agricultural land ecological exploitation. The integration method mainly comprises four links including the space planning technology, the land consolidation technology, the soil improvement technology and the ecological management and protection technology of coastal beach agricultural land exploitation, and the four links commonly form the comprehensive control integration technology (system) of coastal large-scale newly reclaimed beach agricultural land ecologicalization exploitation. By adoption of the integration technology, the coastal soil salinization problem can be expected to be radically solved in 3-5 years. On the basis of coastal beach space planning and land consolidation, the target of coastal saline land improvement can be rapidly achieved by utilization of the modes including natural desalination, irrigation and loosening desalination and green manure back to field, and requirements of agricultural land exploitation are satisfied.

The invention discloses a mixed seeding green manure dressing method for a tobacco field. According to the method in the invention, mixed seeding is carried out on ryegrass and Chinese trumpet creeper in an equal ratio from the first ten days of September to the first ten days of October, wherein the seeding amounts of the ryegrass and Chinese trumpet creeper are 1.5-2.0kg / mu respectively, basic seedling amount is 70000-100000 plants / mu, 1500-2000kg of fresh samples are turned over and buried in per mu of soil with the depth of 10-20cm at the time of 40-45 days before flue-cured tobacco transplanting, and the pure nitrogen applying amount is reduced by 1.8-2.4kg / mu when tobacco seedlings are transplanted. The method comprises soaking seeds, seeding, fertilizer water management, turning over and burying and fertilizer application when the tobacco seedlings are transplanted. By using the method, the problems that when the fertilizer is singly applied for a long term, the carbon-nitrogen ratio in the tobacco field is reduced, nutrient is not balanced, effective fertilizer supplying capacity is weak, and the chemical components of tobacco leaves are inconsonant are solved. The method has the advantages that quick-action nutrient content, total bacterial count and nitrobacteria and actinomycetes quantities in current-season tobacco transplanting soil are obviously increased, the nutrient of the tobacco plants is consonant, the potassium-increasing base-reducing effect of the tobacco leaf is obvious, aroma quality is improved, and the benefit of tobacco planting is greatly improved. The method has good popularization value in the aspect of modifying the long-term continuous cropping tobacco field.

The invention provides a no-tillage direct seeding and mulching cultivation method of rice in the technical field of agricultural planting. In the cultivation method, Chinese milk vetch serves as green manure in winter, and is mulched on the ground surface as organic green manure before the seeding of the rice; and all rice straws are returned to the field, and are mulched on the ground surface after the rice is harvested; therefore, the permanent no-tillage of a rice field and the direct seeding of the rice are put into practice, and thus the crop rotation of the rice and the green manure are put into practice. When the method is adopted, the growth and development of soil organisms are improved; the diversity of the soil organisms is enriched; the application of fertilizers is reduced; the widespread pollution of a farming land is reduced; labor and force are saved; the agricultural planting efficiency is improved; and the quality of the rice is improved.

The invention discloses an arid region saline-alkali soil biology improvement method which comprises the following steps: conducting ditching salt avoidance and drip irrigation salt drench to create a low salt moist soil environment that seed germination needs, in the first year, excess salt of farmland plough layer soil is removed through halophyte above ground part cradling, and in the second year, improvement of soil fertility can be realized through salt tolerance leguminous green manure plant. The method is sample and convenient to operate and low in cost, by adopting the halophyte to gather salt and salt tolerance leguminous green manure plant to fertility soil, rapid desalt fertility of saline alkali soil can be realized, saline-alkali soil biology improvement and cyclic utilization mode is built, and the problem that saline-alkali soil common water conservancy improvement is difficult under the background of water resource shortage is avoided.

The invention relates to a crop rotation matching and fertilizing method capable of controlling accumulation of rice heavy metal cadmium and belongs to the technical field of rice planting. The crop rotation matching and fertilizing method provided by the invention comprises the steps of 1) selecting cruciferae or leguminous crop with high sulphur content as a previous crop; 2) applying sulphur base fertilizer with sulphur ratio of 0.25-5.0kg / 666.7m<2> when the previous crop is planted, or spraying 0.05-1.0% of sulphate for at least 1-3 times in a reproductive stage; 3) taking the previous crop as green manure, smashing or directly turning the previous crop into soil to be mixed with the soil 5-15 days before rice transplantation, and carrying out waterflooding on the transplanted rice seedling; and 4) repeating the steps 1)-3) year over year. The previous crop matching mode adopted in the invention roots in the traditional peasant production mode, sulphur fertilizer is also taken as the traditional farming measure, an operation process is simple, price is low, usage cost is low, the crop rotation matching and fertilizing method provided by the invention is universally applicable to heavily, medially and mildly cadmium-polluted rice field and crop production lands in China, and cadmium content in rice can be obviously reduced.

The invention relates to a tobacco field soil improving method. The method comprises the following steps: green manure is applied to soil, the green manure is ploughed down 30-45d before next year tobacco seedling transplantation, and biomass charcoal is applied to soil 15-20d after the green manure is ploughed down. The green manure and the biomass charcoal are combined to restore tobacco field soil, so the content of organic matters in soil is improved, the water retention property of the soil is improved, the growth of roots in the earlier growing stage of tobacco plants is promoted, and early and fast growth of the tobacco plants is promoted; and the method also has the advantages of increase of the content of tobacco leaves, increase of the proportion of high-and-middle tobacco leaves, increase of the output value of the tobacco leaves, improvement of the quality of the tobacco leaves, coordination of chemical components, increase of the fragrance and the oil content of the tobacco leaves, improvement of the smoking quality of the tobacco leaves, reduction of the application amount of chemical fertilizers, and improvement of the utilization rate of the fertilizers.

A method for ecologically improving tobacco-planting soil is disclosed. In October of the first year, after flue-cured tobaccos or corns are harvested, straws are chopped down and spread on furrows directly without plowing soil, straw decomposition accelerator or other microbe fertilizers are spread on the straws, and then ridge soil is dumped in furrows to cover and bury the straws. Green manure is applied in lines, common vetch green manure is applied on the soil surface burying the straws in lines with a width of 55-65cm, and the green manure is buried by ridging without plowing. In the next year, 10-15days before transplanting flue-cured tobaccos, flue-cured tobacco base fertilizer is applied on the green manure according to the line-spacing requirements of flue-cured tobaccos, soil is gathered to the green manure from two sides of the green manure to bury the green manure and ridge for planting flue-cured tobaccos. The method effectively improves soil, lowers production investment, ensures high yield, improves the physical properties of the soil, and increases organic matters and nutrients of the tobacco-planting soil. Moreover, the microbe amount and enzyme activity of the soil and the tobacco leaves quality are improved, the soil quality is retained and improved, and continuous flue-cured tobacco production and development in tobacco areas are facilitated.

The invention discloses a crop rotation method for southern rice areas. In a cycle of two years, summer dryland commercial crops, winter dryland cereal crops, rice and winter green manure crops are rotationally planted; rotation of paddy field crops and dryland crops is adopted; soil structure is improved, and less disease and insect damage occurs; crops for rotation are reasonably arranged; the winter crops are planted, and land utilization rate is increased; the green manure crops are planted, farming and land maintaining are combined, and soil fertility is improved; the commercial crop planting and cereal crop planting are combined, and economic benefit is increased.

Disclosed is a high-yield oil-tea camellia cultivation method. The method include selecting a mountain area or low hilly terrain of a southern oil-tea camellia planting region, dividing a plurality of oil-tea camellia planting regions in the vertical direction of the mountain area or low hilly terrain along the contour, excavating horizontal ladder bands used for planting oil-tea trees into the mountains of each oil-tea camellia planting region, planting biological fences preventing water and soil erosion on slopes between the adjacent oil-tea camellia planting regions, and planting green manure or commercial crops between the lines of the biological fences and the lines of the oil-tea trees of the oil-tea camellia planting regions. By means of fertilizing, loosening the soil, increasing the nutrition storage of oil-tea camellia growth soil layers, improving soil physicochemical property and preventing water and soil erosion, the purposes of promoting the early flowering and more fruiting of the oil-tea camellia, increasing the oil tea yield, improving the oil tea quality and reducing fertilizer and labor force investment can be achieved, and the method can be applied to domestic and international oil-tea production and practice widely.

The invention relates to a planting method for organic rice. The method mainly comprises: soaking seeds, accelerating germination, raising rice seedlings, and transplanting rice seedlings 20-30 days before local rice planting time; in field preparation, turning under green manure, base fertilizer including biogas manure, fully decomposed yard manure and / or fully decomposed cake fertilizer; 10-20 days after rice transplanting, after seedlings stand, stocking ducklings, in peak of outbreak of rice planthoppers, adding a second batch of ducklings, in a rice heading flowering period, taking back the ducklings; in fertilization aspect, in addition to using green manure cooperating with farmyard manure base fertilizer, and dressing farmyard manure, the rest using wood vinegar; in pest control aspect, using field light traps and artificially propagating parasitic wasps, alternatively spraying the wood vinegar and garlic pepper solution. The method solves problems that yield of organic rice planting is not high, rice quality is not good, and plant diseases and insect pests are severe. The method is successful in plantation of ''sticky fragrance'', ''rice fragrance'', ''beautiful fragrant sticky'', and a Japan introduced variety ''Koshihikari''.

The invention discloses a method for planting and tilling and compacting green manure in advance in soil of a tobacco-growing area. The method comprises the following steps of: seed selection, sowing, fertilizer and water management, and tillage: selecting high-yield and early-maturing varieties of green manure such as smooth vetch, hairy vetch, common vetch or cow vetch, interplanting green manure seeds in a tobacco field by adopting a broadcast sowing manner in the tobacco-growing area at an altitude being below 1,200m during a picking and baking period of central tobacco leaves from August to early September, arranging matched canals and ditches to ensure drainage and irrigation, after green manure seedlings grow out, broadcasting common superphosphate and urea to promote the growth of green manure, and tilling the green manure into soil with the depth of 10-20cm in winter from December to next January, wherein green manure plants are not exposed to the outside after tillage. The method effectively solves the contradiction among the planting of the green manure in the tobacco-growing area, the tillage of frozen earth in winter and the 'three-priority' technology, improves the soil of the tobacco-growing area, and enhances the soil fertility, so that the quality of tobacco leaves can be improved steadily.

The invention relates to the technical field of agriculture, and provides an orchard grass intercropping method. The method comprises the following steps: zones are divided, wherein grass is planted between orchard lines, and straws are laid within a range of 0.5m from tree trunks; plowing is carried out, wherein an EM inoculant is spread to grass planting zone soil, and plowing is carried out after 20-30 days; seed soaking is carried out, wherein grass seeds are soaked with the EM inoculant for 4-12h, and are air-dried at a shaded and ventilated place; sowing is carried out, wherein a sprinkler irrigation treatment is carried out with a diluted composite bacterial fertilizer, and uniform sowing is carried out with a sowing amount of 12-15kg / Mu when the soil is moist; management is carried out, wherein watering is carried out after sowing, and sprinkler irrigation is carried out with a diluted EM inoculant when seedlings uniformly shoot; and maintenance is carried out, wherein a grass height is maintained at 10-20cm, and a mixture of trimmed-off grass and straws is laid within a range of a tree base. The method has water-retaining, fertilizer-retaining and drought-resisting functions. With the method, farm chemical is not applied, and the effect of green manure is good. Chemical fertilizer is saved, and disease degree can be reduced from the source. Soil salinization can be effectively ameliorated, and fruits can be green and organic.

The invention relates to a double cropping rice nitrogen-saving high-yield production method. A double cropping rice planting region is selected; 15 to 30 days before late rice is harvested, astragalus sinicus planting is carried out; after the late rice is harvested, ditching is carried out according to an astragalus sinicus planting technology; 30 to 50kg of calcium magnesium phosphate fertilizer is applied per mu; 1 to 2kg of potassium chloride used as a base fertilizer is applied per mu; 10 to 15 days before early rice is transplanted, dry tillage and plowing pressing are carried out; land preparation is carried out according to the early rice planting requirements; azolla is bred; and after shoal water of field water, which has a height of 1.5 to 3.5cm, is kept for 8 to 10 days, the base fertilizer is applied to carry out early rice transplanting. During growth of the early rice and the late rice, duckweed utilization is naturally carried out; before the late rice is transplanted, a sustained-release nitrogen fertilizer is applied in one step as the base fertilizer; and on mid-to-late September in the next year, circulation operation of farming of planting astragalus sinicus green manure crops and the like is carried out. According to the invention, astragalus sinicus green manure is planted during the slack winter season of double cropping rice planting, the azolla is bred during growth of rice, the rice special sustained-release nitrogen fertilizer is applied to the late rice in a decreasing manner, the astragalus sinicus and the azolla are utilized to fix nitrogen and adsorb carbon, the land is maintained by the land, organic materials and an organic nitrogen source are provided for rice, nutritive substances in the double cropping rice field, which are easy to loss, are adsorbed, non-point source pollution is reduced and fertilizer supply and the fertilizer requirement of rice are coordinated and consistent.

The present invention belongs to the field of ecological planting technology. By way of ecological engineering design, the use of compound fertilizer trophosome, complex planting and green manure technology, the present invention realizes equilibrious soil nutrient, balancing soil microorganism , increasing disease resistance of plants, reducing pathogen and at same time it solves problems that continuous cropping and coming cropping are impossible and must be planted alternatively after four and five years. It is very important to the development of castor beans planting and the increase of economic benefit of castor bean processing corporation and planting farmers.

The invention discloses an ecological organic liquid fertilizer which comprises components in parts by weight as follows; 70-80 parts of vitex negundo leaves, 30-40 parts of green manure, 10-20 parts of pyrethrum, 20-40 parts of molasses, 0.4-0.6 parts of choline chloride, 0.1-2 parts of an antibacterial peptide, 1-3 parts of microelements, 1-5 parts of an amino acid, 1-4 parts of biological bacteria, 2-3 parts of a dispersing agent, 3-10 parts of water-retaining agent and 100-150 parts of water. The ecological organic liquid fertilizer has the advantages of low cost, high fertilizer efficiency, high comprehensive effect, capability of controlling diseases and pests, reducing environmental pollution and improving the soil and the like.

A method for assisting in tailings restoration through ryegrass and planting the ryegrass on restored land includes the following steps that tailings is turned over by 18-22 cm and leveled; fresh ryegrass growing to the florescence are shorn into broken segments being 3-5 cm long so that ryegrass green manure can be formed; the ryegrass green manure is spread on the tailings land which is turned over and leveled, and the ryegrass green manure and the tailings are fully mixed evenly so that smooth planting land can be formed; ryegrass seeds are sown on the planting land. The planting method includes the steps that the seeds are processed and sown; the ryegrass is harvested regularly while stubble is left and the harvested ryegrass is returned to the field, 3-5 years after the ryegrass is planted, the whole ryegrass plants are recycled, the land is turned over, then, ridges are reconstructed for planting, and the plating method is repeated in this way. Due to the virtuous cycle that the planted ryegrass is returned to the field, the ecological environment can be continuously improved, and the landscape phenomenon of the tailings can be improved. The method has the advantages that operability is high and ecologically friendly and restoration cost is substantially reduced and the method is an important measure for ecological restoration of the tailings.

The invention discloses a method for producing selenium-enriched rice through green manure-rice rotation. The method comprises the following steps: (1) field selection; (2) green manure planting; (3) field turning up and green manure turning over; (4) soil preparation; (5) seed selection and seedling raising; (6) seedling transplanting; (7) field management; (8) rice harvest and storage. The method has the beneficial effects that the content of selenium in rice can be effectively increased under various soil conditions, the loss of selenium fertilizers can be relatively reduced and the selenium fertilizer utilization rate can be increased; soil pollution caused during selenium fertilizer application is avoided and the rice field fertility level can be improved; the traditional selenium-enriched rice planting flows are simplified, thus reducing the labor force input and the production cost.

The invention provides a method for planting organic rice. The method comprises the following steps of: planting milk vetch, namely sowing 3.0 to 3.5kg of milk vetch seeds on each mu of land; after the milk vetch enters the initial bloom stage, ploughing and dry-hallowing the land to ensure that the milk vetch is cut into pieces and fully mixed with soil, drying in the sun for 1 to 2 days, and then irrigating water to ret green manure, wherein the retting time is 15 to 20 days; performing land preparation, namely reclaiming ditches to make rectangular land pieces after the land is flattened and the mud is molten; leveling the surfaces of the rectangular land pieces, paving films on the surfaces of the rectangular land pieces, and punching on the surfaces of the rectangular land pieces on which the films are paved after the films are paved for 1 to 3 days; planting rice seedlings in holes of the surfaces of the rectangular land pieces; keeping the rice field in a moistened state, namely keeping water which is lower than the surfaces of the rectangular land pieces in the ditches; and draining away the water and drying the field in the sun 8 to 12 days before the harvest. The method for planting the organic rice has the advantages that: the problem of organic fertilizers can be effectively solved, no weed is grown, plant diseases and insect pests are avoided, planting labor and planting cost are not increased, the high drought-resistant effect is achieved, the management is simple and convenient, the adaptability is strong, and the method is safe and reliable.

The invention discloses a method for rapid soil fertility in a land consolidation area. The method comprises the following steps: 1, consolidating soil surface; 2, implementing soil testing and fertilizing; 3; fertilizing lands with farmyard manure heavily; 4, planting, turning over and pressing leguminous green manure; 5, increasing the ratio and the number of times of chemical fertilizer topdressing; 6, adding biological agents. According to the invention, the problems that organic content is lower and fertility is inadequate in the soil of the land consolidation area are solved; nutrient loss caused by poor soil structure in the land consolidation area is reduced, so that the utilization rate of fertilizers is increased to reach the purpose of economic fertilization; through regulating the reasonable dosage and ratio of nitrogen, phosphorus, potassium and microelements, plants are enabled to obtain comprehensive and reasonable nutrients, and the yield-increasing potential of the plants can be most fully developed to improve economic returns.

The invention discloses a rotation method for increasing the tobacco land output value. The method is suitable for planting of flue-cured tobacco in a tobacco field in the southwest tobacco region of China. The method mainly comprises the steps that fertilization, ridging and planting of tobacco at a fixed distance are conducted in the tobacco field in April or May of the first year; after the flue-cured tobacco is harvested in August of the first year, soil is turned over through a plough, and rape is planted at the end of September; after rapeseeds are harvested in May of the second year, the soil is turned over through the plough again, and sweet potatoes are planted; the sweet potatoes are harvested at the end of September of the second year, and green manure is applied in winter; the soil is turned over through the plough again in March of the third year, the green manure is pressed, and tobacco is planted in May; the steps are repeated in this way for rotation of tobacco-rape-sweet potatoes-green manure-tobacco.

The invention discloses a comprehensive matching technology for constructing road shelter forests in heavy saline-alkali soil sections of coastal areas, which is characterized in that after high-specification platform field forming and soil preparation, plant materials of the shelter forests are planted after one year of land baring, field drying, freezing and soil improvement as well as one year of deep tillage, mature tillage and green manure planting. The comprehensive matching technology comprises the following concrete steps of: (1) constructing a trinity of forest network, road network and water network and integrating soil preparation measures of unit module platform field ditch engineering; (2) baring land, drying field, freezing and improving soil; (3) carrying out deep tillage and mature tillage and planting green manure; and (4) planting the plant materials of the shelter forests. By adopting the technology disclosed by the invention, the problems that plant materials of the road shelter forests is low in survival rate, the accumulation of salt in the surface soil is serious, the structure and the function are unstable and the like can be effectively solved; the survival rate and the preserving rate of trees are greatly increased; better efficacies of decreasing the alkali, restraining the salt, retaining the water, preserving the soil moisture, improving the air and the water permeability and increasing the soil nutrient are provided; and proved by the monitoring for continuous three years, the technology disclosed by the invention is suitable for the road shelter forests construction in the heavy saline-alkali soil sections of the coastal areas.

The invention discloses a high-yield cultivation method for plums. The method includes the steps of 1. selection and preparation of land, wherein deep, loose and fertile soil with good drainage is selected; 2. seedling selection, wherein high-quality saplings of pure varieties, having strong roots and full sprouts and being free of pest and disease damage, are selected; 3. plantation, wherein the saplings are planted in planting pits, and then watered and covered with soil, and 100-120 saplings are planted per mu; 4. nutrient and water management, wherein young trees of 1-2 years are fertilized once a month from sprouting to seven months, base fertilizer is applied once from nine months to ten months, and full-grown trees of over three years are fertilized three times a year; 5. pruning, wherein the natural open centre shape is adopted for pruning in the pruning modes of extending pruning and shoot thinning; 6. field management, wherein pit enlarging, deep tillage, and turning over of green manure are conducted every autumn, and root distribution is improved in a deepened mode. The high-yield cultivation method is more suitable for plum growth, lays a solid foundation for later growth of plums, and increases yield. Plums are good in quality and wonderful in taste, and economic benefit is improved.

The invention belongs to the technical field of soil improvement, and particularly relates to a rapid fertilization method for a newly-prepared yellow soil tobacco field. Through the steps of basal application and improvement of farm manure, alternate layout arrangement of wide ridges and narrow ridges, combination of the narrow ridges and the wide ridges to conduct organic fertilizer fertilization, green manure fertilization, straw mulching fertilization and the like, a technology which is low in cost and easy to control is provided, agricultural application and ripening fertilization of yellow soil are organically combined together, normal production of farmers is not affected, the farmers can learn and understand the technology easily, operation is convenient, and land utilization and maintaining are truly and organically unified. By the adoption of the method, soil ripening fertilization work can be completed in three years altogether, the production operation of tobacco growers can be conducted continuously, and certain economic incomes of the tobacco growers can be guaranteed.