30 results about "Paspalum notatum" patented technology

The invention discloses a method for three-phase combined remediation of heavy metal in soil through biomass charcoal-plant-microorganism. The method comprises the following steps: applying peanut shell biomass charcoal to soil, turning the soil, then spraying bacillus subtilis diluent to the soil, sowing paspalum notatum seeds after the soil is stable, and performing later maintenance on the paspalum natatum seeds. The method can effectively remove the heavy metal in the soil, selected materials are cheap, wide in source and easy to get, the method has the advantages of low cost, high efficiency and thorough in treatment, the removal rate of heavy metal copper can reach 85 percent, and the removal rate of heavy metal zinc can reach 83 percent.

The invention discloses a method for controlling stony desertification through biological engineering. The method comprises a step of planting vetiveria zizanioides and paspalum natatum, wherein the vetiveria zizanioides and the paspalum natatum are intercropped; and the vetiveria zizanioides is planted along the outer rings of contour lines, and the paspalum natatum is planted among the vetiveria zizanioides. Because of the mutual tropism and the compatibility of the spatial and temporal distribution of roots, the two grasses are mutually beneficial, the nutrient resources can be utilized at high efficiency, the effective utilization of nitrogen and phosphorus is effectively improved, and the efficiency of improving the rocky desertification lands is greatly improved. The vetiveria zizanioides has nodule bacteria, so that wasteland hills can become terraced fields with fertile deep soil layers through the interception of the hedgerow of the vetiveria zizanioides layer by layer after the vetiveria zizanioides is continuously planted for multiple years; the paspalum natatum is in favor of accumulation of humus; after the lands are covered with the paspalum natatum, the effects of suppressing weed germination are realized; and the dead developed roots and the dead stems of the aboveground parts are decomposed in the soil to form the humus, so that the purposes of zero-ploughing, improving the physical and chemical properties of the soil and increasing the nutrients of the soil are realized without intertilling and weeding.

A ridge-furrow planting method for preventing and controlling desertification of a southern granite red earth drought farmland comprises the following steps that (1) a piece of ridge-furrow land is selected from a granite red earth low-hummock hilly area; (2) a 'soil mixing method' is carried out in a convex slope drought farmland at the top of the mountain to perform desertification control, clay is moved to an uphill section to press sand and form planting ridges, the ridges and furrows are distributed alternatively, crops are planted in small holes formed in the ridges, and paspalum notatum is planted in the furrows; (3) 'contour strip intercropping' is carried out in the granite red earth drought farmland, the crops and pasture are planted in a contour strip mode, and a 'deep scarification method' is adopted at intervals for inter-tillage; (4) 'ridge-furrow alternated planting' is carried out in hill-foot gentle slope drought farmland, contour ridging is adopted, ridges and furrows are alternated and are both used for crop planting; (5) contour pasture strips are formed in an orchard; (6) stepped slop level drought farmland is changed into level terraces, soil ridges are formed on the outer sides of the terraces, 'bermuda grass' is planted in the ridges and the walls of the terraces, the inner sides of the terraces are dug to form 'bamboo-shaped ditches', and crops and medicinal materials are planted in the surfaces of the level terraces. By means of the ridge-furrow planting method for preventing and controlling the desertification of the southern granite red earth drought farmland, the water retention and holding capacity of soil can be improved, and the water and soil conserving effect is good.

The invention belongs to the technical field of plant biology, and particularly relates to a cherry orchard sod culture method. The cherry orchard sod culture method comprises the following steps of selecting seeds, removing weeds, seeding bahia grass, seeding, fertilizing and watering, cradling and regenerating and seeding astragalus sinicus. By the configuration of a first compound fertilizer and a second compound fertilizer which have functions of nutrition and fermentation, degradation and utilization of herbaceous plant metabolite are benefited, soil environment is further improved, soil fertility is greatly improved, and cherry growing environment is improved. The first compound fertilizer and the second compound fertilizer in which triacontanol is added are applied in the process of orchard sod culture, the bahia grass and the astragalus sinicus are cultured by stages, soil can be guaranteed to be in a sod culture stage all the year around, the capacity of preventing drought and waterlogging of a cherry orchard is improved, the soil fertility of the cherry orchard is not affected, the ecological environment of the cherry orchard is enriched, a large number of bacterial parasites are generated, the number of natural enemies of pests is increased, spreading of the pests is restrained, and a relatively lasting ecological system of the cherry orchard is formed.

The method for planting herbages on granite red earth slopes comprises selection of species of herbages comprising selecting Gramineae herbages; soil preparation comprising digging small holes or seeding furrows in granite red earth slopes; treatment before seeding herbage seeds, dressing the seeds using a mixed solution composed of a titanium fertilizer and phosphate-solubilizing bacteria and yellow mud before seeding the herbage seeds; seeding comprising seeding ryegrass from September to October and seeding paspalum notatum flugge in February in next year in abrupt slopes, and seeding paspalum notatum flugge in February in the first year in gentle slops; management after seeding comprising covering seeds using nutrient soil after seeding, covering non-woven fabrics, and irrigating enough water. By adopting the method for planting herbages on the granite red earth slopes, sod can quickly recover on the naked granite red earth slopes, water and soil losses can distinctly reduced, physical and chemical properties of the soil can be improved, water, a fertilizer, gas and heat become coordination, growth of the herbage are benefited, soil resources which cannot be used in the past can be utilized at high efficiency.

The invention discloses a high-protein cattle forage and a preparation method thereof. The high-protein cattle forage is composed of the following raw materials, by weight, 50-60 parts of rice straw, 20-30 parts of Paspalum natatu, 20-25 parts of soybean leaf, 15-25 parts of pea skin, 10-15 parts of flour, 5-10 parts of sunflower receptacle, 10-20 parts of vinasse, 1-2 parts of a starter, 40-50 parts of corn flour, 25-35 parts of soybean meal, 15-20 parts of wheat bran, 5-8 parts of a soft sweet additive, 3-5 parts of rice bran, 5-8 parts of zeolite, 4-6 parts of pumpkin seed oil, 2-4 parts of sodium alginate, 2-3 parts of calcium hydrogen phosphate, 1-2 parts of ammonium bicarbonate and 0.3-0.5 parts of salt. The forage contains all nutrition required by the growth of cattle, guarantees the healthy production of the cattle, provides healthcare values, and raises the growth speed of the cattle.

A method for conducting ecological restoration for island bare land by using sewage sludge belongs to the technical field of environment protecting and ecological restoration and is characterized by comprising the following steps: the sewage sludge is dried in the sun, smashed, covered on the island bare land directly till the thickness of the sewage sludge ranges from 25 to 35 centimeters, and then earth removed from other places is covered till the thickness of the earth ranges from 40 to 60 centimeters; selected plants for the ecological restoration are bermuda grass and paspalum natatum, proportion of bermuda grass seeds to gaspalum natatum seeds is 1:0.8-1.3, and sowing quantity is 8-15 grams / square meter; and sun-shading, watering and fertilizing management is conducted after sowing, when emerging seedlings of crops are as long as 20 centimeters, vegetation coverage rate reaches above 98%, and the ecological restoration is finished. The method for conducting the ecological restoration for the island bare land by using the sewage sludge can reduce cost and negative effects, achieves reduction, stability, hazard-free treatment and recycling of the sewage sludge, and has a positive effect on region ecological restoration for islands.

The invention discloses bladder washing fluid and preparation method and application thereof. The bladder washing fluid is prepared from raw materials including, by weight, 40-48 parts of paspalum natatum, 8-16 parts of flos farfarae, 15-23 parts of fructus viticis, 3-10 parts of birthwort and 20-28 parts of Indian rorippa herb. The preparation method includes smashing and sieving the paspalum natatum, soaking with sodium thiosulfate by adding deionized water, subjecting to microwave treatment for 30-40 minutes, taking filtrate and obtaining a concentrated solution A by concentrating; smashing and sieving the fructus viticis and the birthwort, decocting by adding deionized water, taking filtrate and obtaining a concentrated solution B by concentrating; smashing and sieving flos farfarae and the Indian rorippa herb, soaking by adding absolute ethyl alcohol, subjecting to ultrasonic treatment, taking supernatant and obtaining a concentrated solution C by concentrating; mixing the concentrated solution A, the concentrated solution B and the concentrated solution C and subjected to the same to ultrasonic treatment. The bladder washing fluid has good treatment effect on cystitis patients and is short in course of treatment, quick in result and safe without side effects; security and stability after operation are increased, excessive bleeding at the position where operation is performed is reduced, and antibacterial and anti-inflammatory performance is further enhanced.

The invention relates to the field of agriculture, and discloses a water retention and soil fixation method for a peach orchard in a mountain area. The method comprises the steps that 1, ditching andridging are conducted according to the fruit tree line spacing being 2.0-3.5 m; 2, in early October, drilling planting is conducted in the radish, vicia villosa and paspalum natatum mixing sowing mode, wherein the sowing rate of radishes is 10-20 kg / ha, the sowing rate of vicia villosa is 30-60 kg / ha, and the sowing rate of paspalum natatum is 10-20 kg / ha; 3, after sowing is completed, the surfaceof soil is covered with rice straw, wherein the dosage is 2,000-3,500 kg / ha; 4, from early April to mid-June in the next year, the radishes, vicia villosa and paspalum natatum are harvested and all covered and subjected to earth backing. Accordingly, the method is suitable for a new-cultivating orchard in the mountain area in South China, the water and soil loss of the soil can be effectively reduced, the water retention and fertilizer conservation capacity of the soil is increased, physical and chemical properties of the soil are improved conveniently, and rapid growth of fruit trees is promoted.

The invention discloses a method for preparing a riparian zone soil organic carbon source from agricultural and forestry wastes. The method includes steps: 1) prospecting natural geographical conditions of a riparian zone to obtain water level annular cycle changes; 2) seedbed preparation, to be more specific, grinding the agricultural and forestry wastes, subjecting to composting along with animal manure proportionally, fermenting, and proportionally well mixing with soil; 3) plant propagation, to be more specific, selecting paspalum notatum and cynodon dactylon for mixed sowing, performing cuttage of hemarthria compressa and transplanting of cyperus rotundus; 4), daily maintenance including moisture, nutrient and pest and disease management in a plant seedling stage; 5) plant transplanting; 6) mowing before water flooding, to be more specific, trimming before water flooding to keep the plant height; 7) performing management and protection in the next year, and performing complementary planting in areas with dead trees and trees in poor growth vigor; 8) extensive management, to be more specific, spraying bactericidal agents and fertilizing. The method is feasible and convenient and simple in operation, the denitrification capacity of a riparian zone ecological system is improved while ecological slope protecting construction of the riparian zone is realized, and ecological functions and ornamental characteristics of the riparian zone are realized.

The invention discloses a method for improving germination percentage of paspalum natatum in warm temperate zones, comprising the steps of: 1, pre-treating; 2, finishing; 3, sowing; and 4, managing after germinating. In the method disclosed by the invention, warm water is used to soak seeds for 4-5h, so that the wax coat is removed conveniently and safely, the feasibility is high, and the operation can be achieved in normal farms and pastures; concentrated sulfuric acid is dangerous when being used, the time is difficult to control, and the seeds are easy to carbonize carelessly, so that the result is failed; April and May are in blossoming spring in the warm temperate zones, and the climate is suitable, so the seeds are sowed in April and May, and the paspalum natatum germinates well; after the paspalum natatum germinates, the phosphatic fertilizer and fire ash mixed in the seeds provide sufficient phosphorus, potassium and nitrogen which are beneficial for growth of paspalum natatum seedlings; and therefore, the problem of low germination percentage is solved, the sufficient paspalum natatum seedlings are provided, can be widely planted and can be used for building lawns, growing pastures, fixing soil, protecting slope, and the like. The method provides a reliable guarantee for popularizing and planting the paspalum natatum in a large area.

The invention discloses a paspalum natatum planting method for preventing water and soil loss. The paspalum natatum planting method for preventing water and soil loss includes the steps of pit digging, seedling cultivation and field management. By using the characteristics that paspalum natatum is large in root biomass, and well developed in root, the paspalum natatum is planted into a pit laid with degradable materials, the roots of the paspalum natatum can only hover and accumulate on the bottom of the pit before degrading of the degradable materials, through drought stress, the roots of the paspalum natatum grow at the bottom of the pit in a hovering mode and then grow towards the ground with a little water directively, so that the root system of the paspalum natatum is in a lantern shape under the limitation of the space in the pit and tightly holds the soil in the pit, after the degradable materials are degraded, the root system of the paspalum natatum grows downwards again, and therefore the purposes of soil fixation, soil loss prevention and soil and water conservation are realized. The paspalum natatum planting method for preventing water and soil loss is simple in technology, convenient to operate, high in stability realization speed, good in effect and low in cost, and has a good effect and application value for soil and water conservation and vegetation recovery in the dry areas seriously lacking water.

The invention discloses an interplanting technique with the function of improving orchard soil properties. The interplanting technique comprises the following steps: soil around peach roots is loosened in March-April, in terms of a soil loosening range, a circle is formed from the peach roots by extending outwards for 40-50 cm, and fine sand is scattered to the loosened soil; humus fertilizer is applied to the loosened soil according to 1-2 kg / m<3>, then watering is performed according to 0.01-0.05 m<3> / m<2>, the soil is aired under natural conditions for 3-5 days, and the fertilizer permeatesinto the soil around the peach roots slowly; 1-year-old seedlings of sedum alfredii are transplanted around the peach roots, and the loosened soil around the peach roots is watered every day for three continuous days after transplanting according to 0.01-0.05m<3> / m<2>; residual land of a peach orchard is loosened at the depth of 5-10 cm, diameter of soil particles is kept at 1-5 cm, watering is performed after soil loosening according to 0.02-0.05 m<3> / m<2>, and then seeds of paspalum notatum, trifolium repens and arachis pintoi are scattered. With adoption of the interplanting technique, content of heavy metal cadmium in the soil can be reduced remarkably, and surface soil loss amount can be reduced.

The invention relates to a plant matching scheme and pretreatment method applied to lateritic red earth slope protection. The principles of combining fast growing and slow growing plants, combining legume trees and shrubs and gramineous and herbaceous plants and combining shallow-rooted and deep-rooted plants are followed, and six water and soil conservation plants common in the south are selected and matched in parts by mass: 30 parts of cynodon dactylon, 25 parts of paspalum notatum, 15 parts of festuca arundinacea, 14 to 16 parts of white tephrosia, 12 to 14 parts of leucaena leucocephala and 2 to 3 parts of acacia confusa. In addition, the invention further provides a plant seed pretreatment method applied to lateritic red earth slope protection. The method specifically comprises the following steps: (1) grinding seed skin with stirring; (2) preparing a seed pretreatment solution; (3) impregnating and air-drying herbaceous plant seeds; (4) impregnating and air-drying tree and shrub seeds. The method is convenient to operate and low in cost, and the adopted vegetational plants are readily available, reasonable in matching, high in growth speed and adaptability and particularly applicable to the ecological protection of a southern lateritic red earth slope.

The invention discloses a paspalum natatum planting method for preventing water and soil loss. The paspalum natatum planting method for preventing water and soil loss includes the steps of pit digging, seedling cultivation and field management. By using the characteristics that paspalum natatum is large in root biomass, and well developed in root, the paspalum natatum is planted into a pit laid with degradable materials, the roots of the paspalum natatum can only hover and accumulate on the bottom of the pit before degrading of the degradable materials, through drought stress, the roots of the paspalum natatum grow at the bottom of the pit in a hovering mode and then grow towards the ground with a little water directively, so that the root system of the paspalum natatum is in a lantern shape under the limitation of the space in the pit and tightly holds the soil in the pit, after the degradable materials are degraded, the root system of the paspalum natatum grows downwards again, and therefore the purposes of soil fixation, soil loss prevention and soil and water conservation are realized. The paspalum natatum planting method for preventing water and soil loss is simple in technology, convenient to operate, high in stability realization speed, good in effect and low in cost, and has a good effect and application value for soil and water conservation and vegetation recovery in the dry areas seriously lacking water.

The invention discloses a method for improving germination percentage of paspalum natatum in warm temperate zones, comprising the steps of: 1, pre-treating; 2, finishing; 3, sowing; and 4, managing after germinating. In the method disclosed by the invention, warm water is used to soak seeds for 4-5h, so that the wax coat is removed conveniently and safely, the feasibility is high, and the operation can be achieved in normal farms and pastures; concentrated sulfuric acid is dangerous when being used, the time is difficult to control, and the seeds are easy to carbonize carelessly, so that the result is failed; April and May are in blossoming spring in the warm temperate zones, and the climate is suitable, so the seeds are sowed in April and May, and the paspalum natatum germinates well; after the paspalum natatum germinates, the phosphatic fertilizer and fire ash mixed in the seeds provide sufficient phosphorus, potassium and nitrogen which are beneficial for growth of paspalum natatum seedlings; and therefore, the problem of low germination percentage is solved, the sufficient paspalum natatum seedlings are provided, can be widely planted and can be used for building lawns, growing pastures, fixing soil, protecting slope, and the like. The method provides a reliable guarantee for popularizing and planting the paspalum natatum in a large area.

The invention provides a method for interplanting pasture in a camellia oleifera field for raising and stocking poultry. The method comprises the following steps that 1, the camellia oleifera field is newly reclaimed by selecting a southeastern linear slop surface in a main camellia oleifera producing area, and a grass belt building area, a crown area and a forest area are partitioned; 2, paspalum natatum is selected as the pasture for building a grass belt in the grass belt building area, white clover is selected as the pasture for grassing covering in the crown area, and alfalfa and gramineous pasture are selected as the pasture for raising in the forest area; 3, alfalfa seeds are subjected to radiation treatment; 4, pasture seeds are treated before being sown; 5, the paspalum natatum is used for building the grass belt in the grass belt building area; 6, the white clover is planted in the crown area, and grassing covering is conducted; 7, the alfalfa and the gramineous pasture are planted in the forest area and cut in time for raising; 8, when the height of grass layers is 13-17 cm, chickens or ducks or gooses are raised in a cage-free mode in turn. According to the method, good economic benefits can be created in a short time, funds are accumulated and put into the camellia oleifera field for fertility, therefore, the camellia oleifera forest field is fully utilized, featured agriculture is developed, and local economy is revitalized.

The invention belongs to the technical field of plant biology, and particularly relates to a cherry orchard sod culture method. The cherry orchard sod culture method comprises the following steps of selecting seeds, removing weeds, seeding bahia grass, seeding, fertilizing and watering, cradling and regenerating and seeding astragalus sinicus. By the configuration of a first compound fertilizer and a second compound fertilizer which have functions of nutrition and fermentation, degradation and utilization of herbaceous plant metabolite are benefited, soil environment is further improved, soil fertility is greatly improved, and cherry growing environment is improved. The first compound fertilizer and the second compound fertilizer in which triacontanol is added are applied in the process of orchard sod culture, the bahia grass and the astragalus sinicus are cultured by stages, soil can be guaranteed to be in a sod culture stage all the year around, the capacity of preventing drought and waterlogging of a cherry orchard is improved, the soil fertility of the cherry orchard is not affected, the ecological environment of the cherry orchard is enriched, a large number of bacterial parasites are generated, the number of natural enemies of pests is increased, spreading of the pests is restrained, and a relatively lasting ecological system of the cherry orchard is formed.

The invention discloses a method for preparing a riparian zone soil organic carbon source from agricultural and forestry wastes. The method includes steps: 1) prospecting natural geographical conditions of a riparian zone to obtain water level annular cycle changes; 2) seedbed preparation, to be more specific, grinding the agricultural and forestry wastes, subjecting to composting along with animal manure proportionally, fermenting, and proportionally well mixing with soil; 3) plant propagation, to be more specific, selecting paspalum notatum and cynodon dactylon for mixed sowing, performing cuttage of hemarthria compressa and transplanting of cyperus rotundus; 4), daily maintenance including moisture, nutrient and pest and disease management in a plant seedling stage; 5) plant transplanting; 6) mowing before water flooding, to be more specific, trimming before water flooding to keep the plant height; 7) performing management and protection in the next year, and performing complementary planting in areas with dead trees and trees in poor growth vigor; 8) extensive management, to be more specific, spraying bactericidal agents and fertilizing. The method is feasible and convenient and simple in operation, the denitrification capacity of a riparian zone ecological system is improved while ecological slope protecting construction of the riparian zone is realized, and ecological functions and ornamental characteristics of the riparian zone are realized.

The invention relates to a plant regeneration method for isolated culture of a mature seed of paspalum notatum, which belongs to a plant tissue culture method. The method takes the mature seed of the paspalum notatum as an explant material; the inductivity of a white, wet and particular callus reaches 50 percent on a callus induction medium of auxiliary hormones - 2.0 milligrams per liter of 2, 4-dichlorphenoxyacetic acid and 0.5 milligram per liter of 6-benzyl adenine phosphate; a white or light yellow, dry and particular callus maintains the embryonic state on the callus induction medium ofthe auxiliary hormones -2.0 milligrams per liter 2, 4-dichlorphenoxyacetic acid and 0.5 milligram per liter of the 6-benzyl adenine phosphate; and after the particular callus after secondary culture for four generations continuously is transferred onto a callus histo-differentiation medium of auxiliary hormones-2.0 milligrams per liter of N-(2-Chloro-4-pyridinyl)-N'-phenylurea and 0.05 milligram per liter of rhodofix, the differentiation rate of green planets reaches more than 30 percent. The technology is suitable for micropropagation of the paspalum notatum, screening of somatic mutants andgenetic transformation.

The present invention discloses a grass-growing method in cherry orchards. The grass-growing method in cherry orchards comprises steps of seed selection, weed removal, paspalum notatum sowing, sowing,fertilizing and watering, mowing and renewal, and astragalus sinicus sowing. A compound fertilizer I and a compound fertilizer II containing nutrients and having fermentation functions are prepared,decomposition and utilization of metabolites of herbaceous plants are facilitated, the soil environment is further improved, the soil fertility is greatly improved, and the growth environment of cherries is improved. The compound fertilizer I and compound fertilizer II both containing triacontanol are applied in a process of growing grass in the orchards. The paspalum notatum and astragalus sinicus are cultured in stages, so that the soil is in a grass-growing phase for a long time, the ability of the cherry orchards to prevent drought and waterlogging is improved, the soil fertility of the cherry orchards are also unaffected, the ecological environment of the cherry orchards is enriched, a large number of parasites generate, the number of natural enemies of pests is increased, the spreadof the pests is restricted, and a relatively long-lasting ecosystem in the orchards is formed.

A method for conducting ecological restoration for island bare land by using sewage sludge belongs to the technical field of environment protecting and ecological restoration and is characterized by comprising the following steps: the sewage sludge is dried in the sun, smashed, covered on the island bare land directly till the thickness of the sewage sludge ranges from 25 to 35 centimeters, and then earth removed from other places is covered till the thickness of the earth ranges from 40 to 60 centimeters; selected plants for the ecological restoration are bermuda grass and paspalum natatum, proportion of bermuda grass seeds to gaspalum natatum seeds is 1:0.8-1.3, and sowing quantity is 8-15 grams / square meter; and sun-shading, watering and fertilizing management is conducted after sowing, when emerging seedlings of crops are as long as 20 centimeters, vegetation coverage rate reaches above 98%, and the ecological restoration is finished. The method for conducting the ecological restoration for the island bare land by using the sewage sludge can reduce cost and negative effects, achieves reduction, stability, hazard-free treatment and recycling of the sewage sludge, and has a positive effect on region ecological restoration for islands.

The invention discloses a solar breeding box for breeding paspalum notatum seeds. The solar breeding box comprises a box cover, a breeding plate and a tray, wherein the outer part of the top of the box cover is provided with a lifting handle and a solar cell, and the inner part of the top of the box cover is provided with a heating lamp; a box cover wall is provided with air holes and a high-precision temperature and humidity indicator gauge; the bottom of the breeding plate is provided with water permeating holes; irregular bulges are also arranged inside the tray. The solar breeding box has the beneficial effects that illumination intensity, temperature and humidity conditions inside the box cover can be seen by the high-precision temperature and humidity indicator gauge; when a ventilation cover is completely opened, the air holes in an opposite surface are used to circulate air flow inside a box body; the solar cell stores electricity when illumination is adequate, and supplies power for the heating lamp, provides illumination for plants and keeps heat of the plants at low temperature when illumination is inadequate, and the heating lamp has the effect of supplementing illumination in case of inadequate outdoor illumination or needing to enhance light; the bulges support the breeding plate, and a concave bottom part can contain needless water drained from the water permeating holes and facilitates water drainage, so that cleanness and convenience are achieved.

The invention relates to the technical field of agricultural planting, in particular to an interplanting method under a Katy apricot forest. The method comprises the following steps of (1) cultivation system construction, (2) soil aggregate optimization and (3) management. According to the method, paspalum natatum is planted under the Katy apricot forest, upper and lower shielding layers are formed, and heat diffusion under the forest is limited. Meanwhile, the characteristic of rapid growth of paspalum natatum is utilized, material circulation and fertilizer efficiency accumulation in soil are accelerated, under the assistance of earthworm breeding, formation of organic matter in the soil is improved, soil pores are increased, enough space is provided for containing air in the soil, heat preservation is achieved through the heat insulation effect of the pores, growth of the Katy apricots is promoted, and the yield of the Katy apricots is increased.

A ridge-furrow planting method for preventing and controlling desertification of a southern granite red earth drought farmland comprises the following steps that (1) a piece of ridge-furrow land is selected from a granite red earth low-hummock hilly area; (2) a 'soil mixing method' is carried out in a convex slope drought farmland at the top of the mountain to perform desertification control, clay is moved to an uphill section to press sand and form planting ridges, the ridges and furrows are distributed alternatively, crops are planted in small holes formed in the ridges, and paspalum notatum is planted in the furrows; (3) 'contour strip intercropping' is carried out in the granite red earth drought farmland, the crops and pasture are planted in a contour strip mode, and a 'deep scarification method' is adopted at intervals for inter-tillage; (4) 'ridge-furrow alternated planting' is carried out in hill-foot gentle slope drought farmland, contour ridging is adopted, ridges and furrows are alternated and are both used for crop planting; (5) contour pasture strips are formed in an orchard; (6) stepped slop level drought farmland is changed into level terraces, soil ridges are formed on the outer sides of the terraces, 'bermuda grass' is planted in the ridges and the walls of the terraces, the inner sides of the terraces are dug to form 'bamboo-shaped ditches', and crops and medicinal materials are planted in the surfaces of the level terraces. By means of the ridge-furrow planting method for preventing and controlling the desertification of the southern granite red earth drought farmland, the water retention and holding capacity of soil can be improved, and the water and soil conserving effect is good.

The invention relates to the technical field of conservation of water and soil, in particular to a method for preventing and treating river levee water and soil loss through paspalum natatum.According to the method, a paspalum natatum lawn is adopted for slope protection, particularly, ryegrass seeds and paspalum natatum seeds are mixed and sown so as to effectively cover the exposed surface of a river levee slope surface within a short time, and the lawn building speed is high; the paspalum natatum has the strong soil fixation and protection ability, and is resistant to drought and barren, small in fertilizer requirement amount and environmentally friendly; the paspalum natatum seeds are directly used for lawn building in cooperation with a closed type herbicide and a herbicide special for lawns, the lawn building and maintenance cost is low, and the landscape effect is good; paspalum natatum grows rapidly, is high in yield, rich in nutrition and capable of bearing under grazing and has both environmental benefits and economic benefits.

The invention provides a processing method of alfalfa silage. The processing method of the alfalfa silage comprises the following steps: (1), carrying out cutting and sun-drying, namely harvesting alfalfa, paspalum notatum flugge and sweet potato vines by performing cutting, sun-drying the alfalfa until the water content is 55-65%, sun-drying the paspalum notatum flugge until the water content is 50-60%, and sun-drying the sweet potato vines until the water content is 55-60%; (2) preparing materials, namely cutting the sun-dried alfalfa into pieces of which the length is 2-3 centimeters, cutting the sun-dried paspalum notatum flugge and sweet potato vines into pieces of which the length is 1-2 centimeters, and then, crushing retinervus luffae fructus and carrying out sieving so as to obtian retinervus luffae fructus powder; (3), chopping the alfalfa, the paspalum notatum flugge and the sweet potato vines, and fully mixing the chopped alfalfa, the chopped paspalum notatum flugge, the chopped sweet potato vines and the retinervus luffae fructus powder according to a weight ratio of (5-8) to (1-2) to (0.5-1) to (0.05-0.1) so as to obtain uniformly mixed materials; and (4), carrying out ensiling, namely containing the mixed materials into plastic bags, pumping vacuum and carrying out sealing, and carrying out storing at 22-28 DEG C for 40-50 days so as to obtain the alfalfa silage. The raw materials of the alfalfa silage are easy to obtain, the processing method is simple, the ensiling time is short, and the success rate is high; moreover, the nutritional characteristics of the raw materials can be maintained for a long time. The prepared silage is rich and comprehensive in nutrition, fine in animal palatability, and good in quality.