163 results about "Trifolium repens" patented technology

The invention relates to the technical field of side slope treatment, and discloses a high and steep side slope ecological retrieved green spray-seeding base material and a preparation method and application of the base material. The spray-seeding base material comprises the following raw materials in parts by weight: 330-420 parts of planting soil, 20-30 parts of peat soil, 1.5-5 parts of organic fertilizer, 1-3 parts of grass fibers, 1-3 parts of sawdust, 0.03-0.05 part of a water-retaining agent, 0.02-0.04 part of an adhesive, 0.1-0.5 part of inorganic fertilizer, 0.5-2 parts of a pH adjustment agent, 30-44 parts of hybrid seeds and 150-200 parts of water, wherein the hybrid seeds consists of the following plant seeds in parts by weight: 10-12 parts of rhizomes tall fescue, 2-4 parts of trifolium repens, 3-5 parts of alfalfa, 2-3 parts of bermuda grass, 2.5-4 parts of indigofera pseudotinctoria, 4-6 parts of magnolia multiflora, 3-5 parts of cassia corymbosa, 2-3 parts of amorpha fruticosa and 1-2 parts of coreopsis. The base material disclosed by the invention for spray-seeding can make a soil replacement base layer with the intensity higher than 0.25MPa; after 45 days when a turf is formed, the rainwash strength is higher than or equal to 120mm / h; within half a year to a year, an ecological plant colony with shrubs which grow with the rainwash strength higher than or equal to 200mm / h and serve as main plants is formed.

The invention discloses a mulberry field ecological breeding method for Heihe black-bone chicken, and belongs to the technical field of livestock and poultry breeding. The ecological breeding method includes the steps of special feed preparing, mulberry field stocking region constructing, baby chick stocking and managing. Compared with the prior art, high-quality forage trifolium repens is interplanted between rows of a mulberry field, baby chicks find feed freely in the mulberry field and take insects, forage, mulberry buds and mulberry fruits, additives in the baby chick stocking stage are made of local materials, according to the nutrient requirement of adult chicken growth and development, the formula ratio is determined by combing the stocking mode, the feed is self-produced and self-used, and feed cost is reduced by 30% or more in total; particularly, the baby chicks peck the mulberry buds and the mulberry fruits containing special bioactive components in the mulberry field, thechicken quality is improved further, the chicken is low in fat content, soft, fragrant and delicious, and the nutrition and health care functions of the chicken are improved.

The invention provides a method for establishing and planting a zoysia and trifolium repens mixed lawn. According to the technical scheme, the technologies that germination is accelerated in warm water, seeds are soaked in liquid medicine, the mixed sowing ratio is scientific, the dry and wet seed sowing quantity conversion method and the layered sowing and layered covering method are adopted, the fertilization amount and the watering amount are controlled, and the temperature, the humidity and light are controlled through agricultural plastic mulching film punching are applied, synchronous germination of the grass seeds of the mixed lawn is guaranteed, and various conditions required from seedling growth to lawn generation are satisfied. The method comprises the steps of seed processing, mulching film punching, field preparation conducted before lawn establishment, sowing, control over the temperature and the humidity in the germination stage, maintenance of seedlings inside a mulching film and the like. The novel method for establishing and planting the zoysia and trifolium repens mixed lawn is capable of solving the problems that a cold-season lawn is high in maintenance cost and prone to degeneration and a warm-season lawn is short in green period, influences the green effect and is difficult to popularize.

The invention relates to the technical field of side slope treatment and discloses a spray-seeding substrate for ecological reafforestation of high and steep side slopes, a preparation method for the spray-seeding substrate and an application of the spray-seeding substrate. The spray-seeding substrate contains the following raw materials in parts by weight: 330-420 parts of planting soil, 20-30 parts of peat soil, 1.5-5 parts of organic fertilizer, 1-3 parts of grass fibers, 1-3 parts of wood sawdust, 0.03-0.05 part of water retention agent, 0.02-0.04 part of binder, 0.1-0.5 part of inorganic fertilizer, 0.5-2 parts of pH regulator, 30-44 parts of seed mixture and 150-200 parts of water, wherein the seed mixture is prepared from the following plant seeds in parts by weight: 10-12 parts of rhizome-type festuca arundinacea, 2-4 parts of Trifolium repens, 3-5 parts of Medicago sativa, 2-3 parts of bermuda grass, 2.5-4 parts of Indigofera pseudotinctoria, 4-6 parts of magnolia multiflora, 3-5 parts of cassia corymbosa, 2-3 parts of amorpha fruticosa and 1-2 parts of cosmos bipinnatus. Through carrying out spray-seeding by using the substrate disclosed by the invention, an imported-soil base course with the strength of 0.25MPa or more can be formed, the rainfall erosion resistance after 45-day plain forming is not lower than 120mm / h, and a shrub-dominated and grass-shrub-combined ecological plant community with the rainfall erosion resistance not lower than 200mm / h is formed in half a year to a year.

The invention relates to a pelleting coating method for Trifolium repens seeds and creates conditions for mechanization of grassland construction by carrying out pill coating on the Trifolium repens seeds. The method comprises the following steps: (1) processing of the Trifolium repens seeds: prior to the pill coating, the Trifolium repens seeds are processed by air separation and screening; (2) preparation of a coating agent: the coating agent comprises an A type coating agent, a B type coating agent, a C type coating agent, adhesive and nutrient fluid; (3) process of pill coating of the Trifolium repens seeds: the Trifolium repens seeds processed by the procedures are put in a coating machine, the external surfaces of the seeds are covered with the adhesive evenly, and the A type coating agent is added; then, the B type coating agent is added, and simultaneously liquid jetted by a flow feeder is changed into the nutrient fluid; liquid jetting is carried out continuously, and coating powder is added for pelleting; after the B type coating agent is added, the adhesive and the C type coating agent are added; and after being taken out, the seeds are insolated or dried in time, and after the insolation or drying, the coated seeds are packaged by fiber drums.

The invention relates to extracts from several common plants, preparation method thereof, and application of these extracts in development of a natural formaldehyde adsorbent. The common plants includes: a moraceae plant Humulus scandens (Lour.) Merr., a gramineous plant Oplismenus compositus (Linn.) Beauv., a vitaceae plant Parthenocissus tricuspidata, a urticaceae plant Urtica fissa E.Pritz, a liliaceous plant Sansevieria trifasciata Prain, a leguminous plant Trifolium repens L., and an adiantaceae plant Adiantum capillus-veneris. A research result proves that the plant extracts has excellent adsorption effect on aldehyde in air and can be used for preparing a green and environment-protective product for removing the aldehyde from air.

The invention relates to a fungal field weed inhibitor which is a soil and sand mixture comprising arbuscular mycorrhizal fungi and internally comprises strain spores, a root system infected by the fungi and external hyphae. The arbuscular mycorrhizal fungi are glomus mosseae HDSF1; corns and white clover are used as host reproduced glomus mosseae; production of the fungal field weed inhibitor is carried out in the root system of a host plant of the fungal field weed inhibitor. The fungal field weed inhibitor has the characteristics of low labor cost, no generation of side products, no requirement for separating active ingredients, easiness for keeping the aseptic condition, and easiness in the production condition control and the like, has a small application rate and high environmental suitability and has a strong inhibiting effect on five common weeds in the field.

A cosmetic composition includes, as a cosmetic active agent, a honey from clover (Trifolium repens) or an extract of this honey. A method uses a cosmetic composition, of a honey from clover (Trifolium repens), or an extract of this honey, as an active agent for preventing or delaying the appearance of the signs of aging of the skin or slowing the effects thereof, in particular for restructuring the epidermis, toning the skin and / or promoting the attenuation or resorption of wrinkles or lines, notably on the face and neck. A method of cosmetic care also uses this cosmetic composition.

The invention discloses a mixed-sowing method of forage grass in a high altitude area of the Three Gorges reservoir area, comprising soil preparation before sowing, mixed sowing and fertilizer application, wherein the mixed sowing means mixed sowing of orchard grass seeds, trifolium repens seeds and alfalfa seeds, and specifically comprises the following steps of: performing row-spaced drilling on the orchard grass seeds and the alfalfa seeds, with row spacing of 0.3m; and uniformly sowing the trifolium repens seeds among the rows of the orchard grass seeds and the alfalfa seeds, wherein the dosage ratio of the orchard grass seeds to the trifolium repens seeds to the alfalfa seeds is 1: (1 to 1.6): (1 to 1.6), in parts by weight. The leguminous forage grass and gramineous forage grass selected for the mixed-sowing of forage grass disclosed by the invention are featured with heat resistance, drought resistance and leanness resistance, and are mixed-sowed with each other, thus adequately utilizing light energy and increasing photosynthates; additionally, the leguminous forage grass has a high protein content and the rhizobia of the leguminous forage grass has a function of nitrogen fixation, thus remarkably increasing the yield of the forage grass, and improving the quality of the forage grass and soil fertility, so that the advantages of the leguminous forage grass are very prominent. The method disclosed by the invention is simple and convenient, and simple in operation; and the artificial pasture established by the method has the characteristics of heat resistance, drought resistance and leanness resistance.

The invention discloses a method for removing heavy metal copper in soil by using plants. The method comprises the following steps: (1) determining a region polluted by the heavy metal copper and the copper content in the soil through monitoring, and sowing and planting Festuca arundinacea or Trifolium repens or interplanting Festuca arundinacea and Trifolium repens in the soil of the polluted region where the concentration of the heavy metal copper is less than or equal to 1,000mg / kg according to climate and soil suitability; (2) carrying out row sowing or broadcast sowing in the soil of horizontal regions, and carrying out horizontal transverse row sowing on slopes; and (3) carrying out continuous planting for gradually reducing the content of the heavy metal copper in the soil till the content of the heavy metal copper in the soil reaches the soil quality standard through monitoring. The reaped plants are ground, dried in the sun and centralized burned, and the heavy metal copper can be extracted from ashes of the burned plants so as to convert pollutants to resources.

The invention provides a grazing and supplementary feeding combined beef cattle breeding method. The method is characterized by adopting the way of combining supplementary feeding and grazing, prolonging the grazing time during summer and autumn with no or little supplementation of feed, and additionally and substantially supplementing feed during spring and winter. The feed comprises green feed and mixed feed, wherein the green feed refers to various herbage at grassy hills and slopes, and consists of crop straw, coarse cereals, artificially planted herbage like Lolium multiflorum, Purus frumentum, sorghum sudan grass, medicago sativa, and Trifolium repens, etc., and the mixed feed is proportioned according to the needs of the beef cattle feeding stage. The breeding method provided by the invention combines grazing and supplementary feeding, and has the characteristics of high meat-production rate and high dressing percentage.

The present invention discloses a method for restoring petroleum-contaminated soil by using Trifolium repens Linn. The method comprises: soaking seeds of Trifolium repens Linn in distilled water overnight; sterilizing; sowing the sterilized seeds in petroleum-contaminated soil in a spot sowing manner; carrying out irregular watering, such that the moisture content in the soil is maintained to 50-60% of the field moisture capacity, and the Trifolium repens Linn grows under a natural state; removing withered stalks after the Trifolium repens Linn withers, and continuously carrying out irregular watering, such that the Trifolium repens Linn grows under a natural state; and removing the Trifolium repens Linn and the root thereof when the petroleum hydrocarbon contaminant content in the soil meets the environmental safety standard. The method of the present invention has characteristics of low cost, strong operability, no destruction of physical and chemical properties of the soil, and the like. In addition, according to the method, no secondary pollution can be introduced, and good prevention and control effects are provided for pollution soil wind erosion and water erosion.

The invention discloses a stereo persimmon-pasture-livestock allocation standard production technology for Weibei dryland. The production technology is characterized by including the steps: (1) mixing orchardgrass, perennial ryegrass, trifolium repens and onobrychis according to a proportion of 2:4:2:2; (2) spreading 15kg calcium superphosphate serving as base fertilizer; (3) adopting a line spacing seeding mode for spring seeding or autumn seeding of the mixed seeds in an apple orchard with the planting density (row spacing X row spacing) being 2.5mX4m, wherein 2.0-2.5kg seeds are sown per mu; (4) cradling and grazing. Adopting the production technology can realize secondary development and utilization of land, save grain cost for livestock feeding and increase economic income; seeding in persimmon orchards can improve organic substances content in soil, reduce diseases and insect pests and improve fruit yield and quality.

Provided are a eutrophic botanical organic fertilizer and a production method thereof. The eutrophic botanical organic fertilizer is prepared by taking green manure plants soybean, mung bean, trifolium repens, astragalus adsurgens pall and purple alfalfa as a fertilizer matrix, adding a decomposition agent and water, and then carrying out rapid fermentation, wherein the ratio of the added decomposition agent to the added water to the fertilizer matrix is 4 to 600 to 1000, and the rapid fermentation condition comprises that decomposition is carried out for 20 d under the condition of the temperature of 80 DEG C.

The invention provides a meat duck feed. The meat duck feed is comprehensive and balanced in nutrition, so that the growth requirements of meat ducks are met. An additive contains natural raw material ingredients of ecliptae herba, setaria viridis, trifolium repens, pomelo peel and the like, so that the meat duck feed can nourish the liver and the kidney, the organism immunity of the ducks is strengthened, and the disease resistance is improved; besides, the meat duck feed is natural, free from antihormones, and safe and environmental-friendly. The meat duck feed disclosed by the invention is low in cost, so that the breeding economic benefits are greatly increased.

The invention discloses a method for using industrial and agricultural waste residue to improve phosphogypsum for vegetation recovery, which includes: according to physical and chemical characteristics of phosphogypsum and comparison of the phosphogypsum with soil constituents, using sludge generated from sewage treatment plants, coal ash generated from power plants, and red mud generated from aluminum manufacturers to improve the phosphogypsum; successfully planting lawn grass; and according to the requirements of grass grown, covering the pure phosphogypsum with an improved substrate layer 10-14cm thick, and sowing seeds on the substrate layer according to the seeding amount of common lawn grass. Grass seeds suitable for growing include seeds of tall fescue, broadleaf paspalum, alfalfa, ryegrass, trifolium repens, Bermuda grass and the like. Turfs of tall fescue, Agrostis, Bermuda grass and the like can grow normally on the improved substrate. According to the principle of 'waste control by waste', the phosphogypsum is subjected to soilless vegetation recovery, so that the cost of vegetation recovery by phosphogypsum is lowered greatly, and great economic benefit and environmental benefit are achieved.

The invention relates to the technical field of gardens, in particular to a peach garden using landscape plants to control peach tree pests, which comprises a plurality of landscape cells, wherein each landscape cell comprises an internal function zone and a marginal function radiation zone, the internal function zone is a square of which the length of each side is 60-80 meters, marginal function radiation belts of 5-8 meters are arranged around the peach garden, sunflowers and ageratum conyzoides are alternately planted beside peach tree rows in the peach garden, and trifolium repens and lucernes are carpeted under peach trees. The invention provides a method for constructing a novel ecological and landscape peach garden environment. The invention can control peach tree pests based on the targeted selection and the reasonable arrangement of varieties of plants, thereby achieving the purposes of reducing the using amount of pesticide and improving the safety of fruit products. The plants concerned in the invention are all indigenous plants in East China, and the method has the advantages of simple and practicable operation and low cost and is suitable for implementation in East China, especially Shanghai region.

The invention relates to an ecological improvement method for tea garden soil. The ecological improvement method comprises the technologies of interplanting trifolium repens in a tea garden and performing sectional overturning and embedding in sequence. The technology of interplanting the trifolium repens in the tea garden comprises the step of uniformly sowing 1,000 g of trifolium repens seeds in very mu by combining autumn ploughing of the tea garden at the end of October. The technology of performing sectional overturning and embedding in sequence comprises the following steps: sectionally overturning and embedding the trifolium repens into soil every 50 cm between tea rows in autumn of the next year after the seeds are sown, and planting a new turn of the trifolium repens at overturning and embedding positions; in the autumn of the third year after the seeds are sown, sectionally overturning and embedding the trifolium repens which is not treated in the autumn of the last year between the tea rows in sequence; after the seeds are sown for the fourth year, sectionally overturning and embedding the trifolium repens in sequence in every autumn. According to the ecological improvement method for the tea garden soil, the problems that the tea garden soil is difficult to improve, the cost is high, and the continuous fertilizer supply capacity of the tea garden soil is low are effectively solved.

The invention discloses a composition capable of improving drought resistance of trifolium repens, a preparation and application of the composition and preparation. The composition comprises the following components in parts by weight: 103-619 parts of gamma-aminobutyric acid and 8-102 parts of spermine, and the composition preparation is prepared from the composition and agricultural-chemically acceptable solvents, additives and carriers. The composition and the composition preparation provided by the invention can achieve a synergistic effect by overlapping and interaction of mechanisms of action of components, and improve the amount of growth and yield of the trifolium repens on the basis of improving the drought resistance of the trifolium repens.

The invention relates to a corn intercropping grass belt planting method capable of reducing sloping field water and soil loss greatly. The method includes the following steps that corns are planted by adopting seedling transplantation, wide and narrow row spacing and plastic film mulching, row spacing is 45 cm, large line spacing is 120 cm, small line spacing is 35 cm, after ditching is conducted, farmyard manure and chemical fertilizer are applied into the ditches together, two seedlings are transplanted in each pond, and after soil covers the seedlings, the film is paved. Intercropping grass is African green bristlegrass and white clover which are sown in a mixed mode, wherein the green bristlegrass is 40g / m<2>, the white clover is 15g / m<2>, and the belt width is 40 cm. The farmyard manure is applied to corn wide planting belts and is covered by the soil, then 1cm-thick fine sand is paved, compound fertilizer and grass seeds are scattered on the fine sand, then about 1cm-thick sand covers the compound fertilizer and the grass seeds, the grass seeds, the compound fertilizer and the sand are mixed by hands, and finally the grass seeds, the compound fertilizer and the sand are compacted by using a hoe and covered by a ventilation and water permeable covering object. By means of the method, sloping field corn yield can be guaranteed, a good water and soil conservation effect can be achieved, and the method is a reasonable and feasible mountain farming sustainable development cultivation measure.

The invention discloses a cultivation method of trifolium repens which can substantially increase the drought resistance of trifolium repens. The cultivation method of trifolium repens comprises following steps: disinfecting selected trifolium repens seeds; spraying the seeds in a seedling growing plate and adding deionized water to the seedling growing plate; placing the plate in an incubator for 5 to 9 days for germination, after germination is finished, the deionized water in the seedling growing plate is replaced with Hoagland's nutrient solution, and continuing placing the plate in the incubator for 21 to 25 days for seedling growing; after the seedling growing is finished, the trifolium repens grows seedlings and then applying exogenous additive to the roots of the seedlings; the exogenous additive is made of Hoagland's nutrient solution, 0.5g / L-1.5g / L CTS and 50.58mg / L-151.74 mg / L Spm. By means of the exogenous additive made of the drought resistance composition, the growth inhibition and leaf wilting of trifolium repens under the drought stress can be effectively alleviated; compared with single dose, the exogenous additive has substantial synergy effect and the drought resistance of trifolium repens can be substantially increased. The method is suitable for application in forage cultivation field.

The invention relates to a method for planting forage grass on a sunward side of hillside land with the slope greater than 15 degrees in an alpine mountainous area. The method comprises the steps thatthe forage grass is planted in a rotation place in the alpine mountainous area with the altitude of 2,000-2,500 m in the southwestern Yunnan province of China, the sunward-side hillside land with theslope greater than 15 degrees is selected as the rotation place, and after former crops are harvested, the forage grass is planted; forage grass planting is conducted by adopting the mode that 9-11%of annual ryegrass seeds, 18-22% of perennial ryegrass seeds, 9-11% of hybrid ryegrass seeds, 28-32% of dactylis glomerata seeds, 28-32% of trifolium repens seeds and base fertilizer are mixed and sowed, and grazing can be conducted when the forage grass grows till the height of a grass layer exceeds 5 cm; when the forage grass is surplus, the harvested forage grass is dried and prepared into green hay or silage, and the stubble height during grass harvesting is 5 cm. The method for planting the forage grass in the alpine mountainous area has the advantages that the method is suitable for being implemented in the southwestern Yunnan province of China, and the forage grass is quick in propagation, good in growth and significant in ecological restoration effect.

The invention belongs to the tea plant cultivation technical field, and specifically relates to a tea garden moisture conservation tillage minimizing method comprising the following steps: deep tillage impurity removing and base fertilizer reapplying are done before the tea garden is closed in September-October; uniformly broadcasting trifolium repens seeds in blank zones between lines in the tea garden according to a ratio of 1.0-1.5Kg / mu; raking seeds and capping soil in the surface; doing earthing work with the earthing depth of 0.5-1.0cm; keeping surface soil to be moisture after the earthing work; re-applying nitrogenous fertilizer for one time according to a ratio of 10kg / mu before rhizobium is not generated in a 30-50days period of the trifolium repens seedling stage. The method can utilize competition and allelopathy effects between plants so as to improve tea garden ecology, thus improving soil quality, reducing weed survival space, finally realizing less-tillage or even non-tillage effect of the tea garden cultivation management, and providing important meanings for tea sustainable production and simplification works.

The invention relates to a young tea garden weed ecological control method, which comprises technologies of weed seed selection, seeding time and method selection, seedling period management and the like. The seeding time of autumn tea seedlings is middle and late February of the second year; the spring tea seedling is the spring of the current year. According to the seeding method, after the shallow hoeing in the tea garden, 500g to 750g trifolium repens seeds are seeded in per mu of land, and the seeding is possibly uniform; according to the seedling period management, weeds with the protruding growth condition are manually pulled away in the current seeding year; in late May and early June, according to the growth condition of the trifolium repens, 5 to 10kg of three-element composite fertilizers are spread in rainy days; the ground surface of the tea garden can be fully covered in the current year. The method provided by the invention solves the problem of overgrown weed damage of the young tea garden, and is favorable to the fast growth of tea seedlings, and has the advantages that the tea seedling transplanting survival rate is improved; the management and protection cost of the young tea garden is greatly reduced; the method belongs to an economic simple and convenient young tea garden weed ecological control method.

The invention discloses a Dactylis glomerata and trifolium repens mixed sowing method. The method comprises the following steps of (1) turning over a cultivated land and then flattening the land, (2) broadcasting the actylis glomerata and trifolium repens according to a weight proportion of 6 to 4 between the last ten-day of May to the last ten-day of June, (3) covering broadcast grass seeds via soil, (4) applying fertilizer, and (5) cutting after grass seeds sprout and between a tillering period and a jointing period, and then applying fertilizer again after the cutting. Perennial Gramineae plant actylis glomerata and perennial tleguminosae plant trifolium repens are combined to form different life form herbage mixed-sowed group; herbage output can be improved by the mixed-sowing method; meanwhile, herbage protein content can be improved; herbage palatability, soil structure and soil fertility can be improved; and strong instructive meaning can be provided for artificial grassland planting in southern areas.

The invention discloses a soil remediation agent and a preparation method thereof, and belongs to the field of soil improvement. The soil remediation agent includes rice husk straws, Trifolium repens,biochar, bentonite, zeolite, Gibberella, Bacillus subtilis and potassium fulate. The biochar, zeolite and bentonite in the invention have certain adsorption effects on heavy metal ions, so the concentration of heavy metal ions on the surface of soil is reduced, and the damages of the heavy metal ions to plants are prevented; and the Gibberella and Bacillus subtilis can improve the distribution structure of microorganisms in the soil, so the permeability of soil is improved, metal ions are fixed, and soil hardening is improved. The soil remediation agent can also provide organic matters, enhance the soil aggregate structure and improve the manurial effect of soil in order to achieve rapid and efficient soil remediation.

The invention discloses a cultivation method of Han Fuji apple. The method mainly includes: selecting a drought-resistant tree species and rootstocks, cultivating the Han Fuji apple and managing fields. The cultivating step of the Han Fuji apple includes close planting, pruning, fertilizer application, frequent deep ploughing, building of terraced fields, and building of fish-scale pits. The step of field management includes orchard covering, orchard grass cultivation, water and fertilizer storage in hollows, mulching, water-saving irrigation, application of moisture absorbent, and application of evaporation resist; the sub-step of orchard covering includes film covering and grass covering; Trifolium repens is grown in orchards; the sub-step of water-saving irrigating includes drip irrigation and spray irrigation. By the comprehensive use of the cultivation method in the production of the Han Fuji apple, the content of organic matters in the orchard soil is improved, disease and pest damage is decreased for the orchards, fruit quality is improved, and single-plant fruit setting rate is increased. Years of cultivation and improvement shows that the apple can be grown in flowerpots and bear fruits; potted landscapes are obtained, and potted landscape apple for eating is also obtained.

The invention discloses a plant composition and a method for repairing side slopes of roads in southern high-altitude regions, and relates to the technical field of agriculture. The plant compositionfor repairing the side slopes of the roads in the southern high-altitude regions comprises tree and shrub plants, grass flower plants and herbaceous plants. The tree and shrub plants are selected froman optional type or a plurality of optional types of rhus chinensis, cassia glauca, buddleja lindleyana, robinia pseudoacacia, pinus massoniana and hibiscus syriacus; the grass flower plants are selected from an optional type or a plurality of optional types of perennial coreopsis, zinnia elegans, cosmos sulphureus and sanvitalia procumbens; the herbaceous plants are selected from an optional type or a plurality of optional types of lolium perenne, trifolium repens, dactylis glomerata and trifolium pratense. The method for repairing the side slopes of the roads in the southern high-altitude regions includes planting seeds of the plant composition on the side slopes. The plant composition and the method have the advantages that appropriate plant varieties are selected, accordingly, growthand development nodes of the plants can be staggered from one another, and nitrogen, phosphorus, potassium and nutrient competition of the plants can be relieved; seeds of diversified species are sownin a mixed manner, accordingly, intra-species competition and inter-species competition can be reduced, the survival rate of the plants can be increased, and formed landscape effects can be improved.

The invention provides a method for performing natural soil greening on slight alkaline land by using a salt-resistant water-retaining agent containing attapulgite. The water-retaining agent comprises attapulgite, acrylic acid, acrylamide, pine needle powder, walnut leaf powder, cassava starch, yam powder, corn stalk powder and bean peel powder. The preparation method comprises leaf powder treatment. The leaf powder treatment comprises a step of monomer solution preparation and a polymerization step. The invention further provides application of the water-retaining agent to trifolium repens plantin in saline-alkali soil. The method has the advantages that the prepared water-retaining agent has high water absorbing capability in distilled water, rainwater, and NaCl solution with a concentration of 0.6%, the capability of water absorption in the distilled water can reach 1030-1300 times the weight of itself, the capability of water absorption in the rainwater can reach 680-820 times the weight of itself, and the capability of water absorption in the NaCl solution with a concentration of 0.6% can reach 390-530 times the weight of itself.

The invention discloses a configuration method for light-potentially rocky desertification environmental plant hedge in karst region. The configuration method comprises selection of plant hedge planting type, land consolidation, plant hedge planting, late stage watering management, later stage pruning management forming plant hedge configuration form of pyracantha fortuneana, climbers+shrubs+herbs, climbers+small trees+herbs, herbs+shrubs; the plant hedge configuration form of pyracantha fortuneana, climbers+shrubs+herbs, climbers+small trees+herbs, herbs+shrubs is obtained in the method, control of soil erosion is conducted concerning light-potentially rocky desertification in karst region, the surface coverage is increased, the surface flow rate is reduced, the soil erosion is decreased, and the soil fertility is improved and preserved. Cash crops such as Hypericum monogynum, pyracantha fortuneana, Trifolium repens, and Prunus Humilis Bunge are planted. Crop yield is high, terrace stability and economic incomes of peasants are improved, the usage rate of the soil in karst region is increased, and the method is especially accepted by peasants in light-potentially rocky desertification environment.