58results about How to "Strong drought tolerance" patented technology

The invention discloses a method for restoring and improving uranium tailing residues-contaminated soil, the employed materials comprise Aeschynomene indica, Miscanthus floridulus and Imperatacylindrica, plant ash and cow dropping, the plant ash is made by burning the Miscanthus floridulus and the Imperatacylindrica. The plant ash and the cow dropping is formulated into a mixed fertilizer in accordance with a proportion to be fertilized in a plant ditch that is built in uranium tailing residues-contaminated region, the three plants of the Aeschynomene indica, the Miscanthus floridulus and the Imperatacylindrica are planted in groups in the plant ditch. By using the method, dense vegetation can be constructed in a very short time to prominently increase soil nitrogen, organic matters and pH value, and meanwhile, the soil root density is increased and the content of soil water-soluble uranium is reduced obviously. The method has the advantages of simple operation, low cost, good efficiency of preventing the uranium from transfer and diffusion, and beautifying the environment. The technique can be used in reconstructing vegetation in a degraded ecosystem of mines and greening expressways.

The invention discloses a method for intercropping a cover plant in glades of cold zones and temperate zones. In the method, smooth brome is mainly planted among tree lines with the crown density of 0.2-0.9, wherein, the distance of the smooth brome from tree stumps is 20-50cm; the specific planting method comprises seeding, weeding, applying fertilizers, cutting and the like. The smooth brome intercropped by the method has the advantages of good cold resistance and drought resistance, strong shade tolerance, perennation and the like, and is applicable to being taken as the cover plant in orchards and artificial woodlands. The smooth brome is taken as the cover plant, which can reduce water loss and soil erosion, improve the population number of natural enemies and reduce the number of pests to reduce damages of the pests to fruit trees or forest trees, and further reduce the consumption of herbicides and pesticides, lower the production cost and reduces the environmental pollution; and the harvested smooth brome is taken as pasture grass, which can also increase the income of farmers.

The invention relates to a method for producing a fungal inoculant, and particularly relates to a method for producing an AM fungal inoculant. The method is characterized by comprising the following steps: carrying out pregermination, inoculation, seedling-stage management and inoculant quality analysis on a corn; and 4 months after inoculation, collecting the root system of a host plant, and inquiring the dip dyeing station and dip dyeing rate of AM fungi by adopting Phillips and Hayman dyeing methods for the quality evaluation of an inoculant. The method disclosed by the invention has the advantages of uniqueness, high inoculant quality and high dip dyeing rate.

The invention discloses a soil culture medium suitable for growth of a plant on a metallurgy tailings dam and the preparation method of the soil culture medium. The soil culture medium consists of a component A and a component B, wherein the component A is clean water, and the component B is prepared by compounding the following components by weight percent: 30%-38% of clay, 18%-25% of montmorillonite, 36%-40% of organic substances, 3% of slow release fertilizer, 1%-3% of stabilizer, 0.35%-0.85% of granulation agent and 0.5%-3% of plant seeds. The soil culture medium provided by the invention is great in porosity and good in water and fertilizer conservation, can complex heavy-metal ions, reduces the salinity and alkalinity of the soil, increases the content of the organic substances in the soil, provides various nutrients required by the growth of the plant, can solve the problems of poor vegetational type stability, insufficient soil replacement raw materials, over-high cost and the like in the biological reparation of the existing tailings pond, and has good environment benefit and social benefit.

The invention provides a method for efficiently selecting drought-resisting alfalfa variety. The method includes steps of (1), seedling cultivation of alfalfa; (2), simulating drought stress by nutrition liquid containing 0.38 g / mL and 0.43 g / mL PEG-6000 solution, and performing the drought stress on the alfalfa seedling root grown for 40-45 days; (3), respectively testing the following physical signs of the alfalfa under the stress of two PEG-6000 concentrations; (4), according to sensitive threshold values of every geological index under the stress of PEG-6000 solutions with different concentrations, and selecting the drought-resisting alfalfa variety. Two PEG-6000 solutions with greatly high concentrations are applied to measure the alfalfa physical signs greatly contributed to the drought resistance by simulating the strong drought stress environments; through comparing the endurance capacity of different types of drought-resisting alfalfa to high-concentration PEG stress and corresponding change threshold value of sensitive physical signs, the drought-resisting alfalfa variety can be exactly and efficiently screened.

The invention discloses an oilseed rape and wheat stubble hybrid rice water saving direct sowing cultivation method based on smashing, burying and retuning to field of preceding crop straw, wherein the cultivation method combines agricultural machinery with the agricultural technology closely. Appropriately-precocious, high-yield, stress-resistant and high-quality rice and oilseed rape or wheat varieties are selected, after the oilseed rape or wheat is mature, straw smashing during machine harvesting or separate straw smashing after harvesting is adopted, the smashed straw is buried in the field through mechanical farming, direct sowing of hybrid rice is carried out through sowing machines or workers under non-irrigation conditions, emergence and growth of rice seedlings are guaranteed under non-basin irrigation conditions, field management measures similar to normal rice cultivation are not taken until the three-leaf stage of the rice seedlings, and the yield equal to or higher than that of local seedling raising and transplanting rice under equal conditions is obtained finally. The hybrid rice water saving direct sowing cultivation method based on smashing, burying and retuning to field of the preceding crop straw realizes light and simple returning to field and effective utilization of oilseed rape and wheat straw, can substantially save water for rice irrigation and avoid seasonal water consumption peaks and water competition contradictions in rice production in arid regions, and realizes cost-reducing efficient ecological rice cultivation.

The invention relates to the field of plant gene engineering, and provides a cotton dehydrin similar gene GhDh1. The nucleotide sequence of the cotton dehydrin similar gene GhDh1 is shown as SEQ ID No:1, a GhDh1 gene plant expression vector is constructed, tobacco is mediated and transformed by using agrobactrium tumefaciens to obtain GhDh1 transgenic tobacco, the GhDh1 transgenic tobacco is verified by adopting a drought simulation experiment, the result shows that the GhDh1 transgenic tobacco has stronger drought resistance compared with the contrast tobacco, and the expression of the GhDh1gene in the tobacco can improve the drought stress resistance of tobacco seeds in the germination process to a certain extent.

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 interplanting holboellia latifolia and ficus tikoua bur in saline-alkali soil, and belongs to the technical field of saline-alkali soil improvement. The method includes the steps that the saline-alkali soil is pretreated through ardealite and oil cake; fertilization and furrow making treatment are carried out after most of salt in the saline-alkali soil is removed; afterwards, ficus tikoua bur seeds are sown on the furrow faces, then the holboellia latifolia is subjected to cuttage one year later, and final-period management is conducted on the holboellia latifolia. According to the method, the ficus tikoua bur and the holboellia latifolia are interplanted after the saline-alkali soil is improved, products such as holboellia latifolia fruits, ficus tikoua bur fruits and ficus tikoua bur rhizomes can be obtained, and obvious economic benefits are achieved; besides, due to the fact that the ficus tikoua bur grows lushly, a good moisturizing effect is achieved, the effect of preventing other weeds from growing and the effect of restraining salt return are further achieved, and therefore management cost is lowered.

The invention discloses a method for promoting growth and propagation of plants and microorganisms in a mine tailing area, so as to achieve the target of rebuilding vegetation in the mine tailing area. The method comprises the steps of: firstly, preparing a drought-enduring nutrient substrate, applying the drought-enduring nutrient substrate into a plant planting pit formed in the mine tailing area, and planting Sedum lineare and Puerarialobata in the plant planting pit. Growth and propagation of the plants and the indigenous microorganism in the mine tailing area can be facilitated by the method, and a thick vegetation and an abundant microbial community are formed. The method disclosed by the invention can be applied to vegetation rebuilding and biological remediation in mine tailing and drought and salinity areas.

The invention discloses a cultivation method suitable for direct seeding of pepper pelletized seeds in karst regions. The cultivation method comprises the following steps of (1), carrying out pepper variety selection and pelleting treatment; (2), carrying out soil preparation, fertilization and ridging; (3), laying drip irrigation belts, digging seeding ditches, seeding, covering a medium and covering a black film; and (4), carrying out field management. According to the cultivation method, pelletized pepper seeds are adopted, the pelletized pepper seeds are suitable for mechanical or manual sowing, the germination rate is high, compared with seedling transplantation, root systems are prone to damage, pepper main roots directly sown through pelletized seeds are very developed (the main roots are as long as 25 cm), plants are higher in drought resistance and fertilizer and water absorptivity, and due to the fact that infection of pathogenic bacteria in soil to pepper seedlings is avoided, the disease resistance of the plants is improved, and efficient development of the pepper industry in karst regions can be achieved.

According to the invention, there is provided a hybrid maize plant, designated as 37F16, produced by crossing two Pioneer Hi-Bred International, Inc. proprietary inbred maize lines. This invention relates to the hybrid seed 37F16, the hybrid plant produced from the seed, and variants, mutants, and trivial modifications of hybrid 37F16. This invention also relates to methods for producing a maize plant containing in its genetic material one or more transgenes and to the transgenic maize plants produced by those methods. This invention further relates to methods for producing maize lines derived from hybrid maize line 37F16 and to the maize lines derived by the use of those methods.

The invention discloses a method for planting mid-autumn crisp dates. The method for planting the mid-autumn crisp dates comprises the specific steps of (1) seedling raising, (2) soil and fertilizer water management, (3) shaping and trimming and (4) comprehensive prevention and control of diseases and insect pests. The method for planting the mid-autumn crisp dates has the beneficial effects thataccording to the technical scheme, the middle-autumn and crisp dates are planted, middle-autumn crisp date trees have higher moisture-resistance, drought-resistant, barren-resistant and disease-resistant capabilities, have unique adaptability in a ''three-hard'' area which is located on the south of the Yangtze River, and the middle-autumn crisp date trees have excellent performance in production,high yield and high fruit setting rate; and according to the condition of introduction and trial planting in various places, plants show that the growth is robust, branches and leaves are luxuriant,serious date rust, date anthracnose and peach fruit moths are rarely found, and the mid-autumn crisp dates are superior to ''qidong candid dates'', ''zhanhua mid-autumn crisp dates'', ''pear dates'',''egg dates'' or other major varieties in the south.

The invention relates to a cultivation method for the high yield of citrus gonggan. The cultivation method comprises the following steps of S1, orchard establishment; S2, management of soil, fertilizer and water; S3, flower and fruit management, wherein the step 3 comprises the sub-steps of 1, flowering promoting measures; 2, flower and fruit protection; 3, flower and fruit thinning; 4, fruit bagging; S4, shaping and trimming, wherein the step 4 comprises the sub-steps of 1, young tree shaping; 2, fruiting tree trimming; S5, disease and pest control; S6, fruit harvesting. The cultivation method has the advantages that the citrus gonggan can be planted in a large area, the citrus gonggan trees are high in resistance to moisture, drought tolerance, resistance to impoverishment and resistanceto disease and pest, the fruit setting rate is high, and the aim of stable yield every year is achieved.

The invention relates to a method for planting organic tea trees. The method comprises following steps: seed selecting; soil pH adjusting; pine tree planting appropriately around or in the middle of a tea garden, planting, tea garden managing, weeding, fertilizing, trimming, disease and insect preventing and eliminating. By means of the method, high-quality Guiping Xishan organic green tea which is pesticide-free, hormone-free and chemical pollution-free is produced.

The invention discloses a method for cultivating platycodon grandiflorum in a saline-alkali land by means of a greenhouse. The method comprises the steps that ardealite is used for treating the saline-alkali land to remove most of salt in the saline-alkali land; ficus tikoua bur is planted to further remove the salt in the saline-alkali land; then wildland stems, mushroom bran and oil cakes are used for conducting further improvement on the saline-alkali land; after the improvement, the platycodon grandiflorum can be planted on the saline-alkali land, and high yield of the saline-alkali land can be achieved. According to the method for cultivating the platycodon grandiflorum in the saline-alkali land by means of the greenhouse, the main raw materials such as the ardealite, the oil cakes and the mushroom bran are low in price and wide in sources; particularly, the ardealite and the oil cakes are utilized, and the cost problem and the the environment pollution problem which are caused by heaping of the ardealite and the oil cakes can be effectively solved.

The invention discloses stress resistance and nitrogen fixation bradyrhizobium sp. suitable for the northeast area and an application thereof. The invention firstly discloses bradyrhizobium sp. DBPB1;the bradyrhizobium sp. DBPB1 has the preservation number of CGMCC No.17502 in China General Microbiological Culture Collection Center. The invention further provides a bacterial agent including the bradyrhizobium sp. and an application thereof. The bradyrhizobium sp. DBPB1 has the characteristics of promoting growth, has high adaptability, is a biosafe strain, can significantly increase the plantheight, the number of root nodules, the fresh weight on the ground and other traits of peanut in different development periods, greatly improves the yield of peanut, and provides the northeast area,one of main peanut planting areas in China, with microbial germplasm resources with high efficient nitrogen fixation and stable growth promotion, and is conducive to promoting green, healthy and sustainable development of agriculture in China.

The invention discloses a method for cultivating apples in a saline and alkali land, and belongs to the technical field of improvements of saline and alkali lands. The method includes the steps that the water content of the saline and alkali land is adjusted, ardealite and oil cakes are evenly applied on the surface of the saline and alkali land, after being evenly mixed through rotary tillage, the ardealite, the oil cakes and surface soil of the saline and alkali land are covered with mulching films to preserve moisture for a period of time, the ardealite and the oil cakes take wide synergistic effect to greatly reduce the salinization degree of the saline and alkali land, the soil structure of the saline and alkali land is effectively improved, and the soil pH value is reduced; malus asiatica seedlings are transplanted to the saline and alkali land, then the apples are grafted to the malus asiatica seedlings serving as stocks, and therefore the apples can be planted in the saline and alkali land.

The present invention discloses distant crossing method of bamboo and rice, belongs to the field of rice hybridizing technology, and aims at transferring excellent gene of heterogeneous plant to rice to expand and enrich rice gene bank, create new germplasm source and culturing new rice breed. The method includes the following steps: 1. hybridizing Raoke F4 and green bark bamboo to obtain bamboo rice; 2. obtaining the tillering seedling of the first generation of bamboo rice, treating with colchicina solution and cultivating to obtain second generation bamboo rice F2 seed; 3. hybridizing bamboo rice F2 with Baomei F3 to obtain bamboo Baomei F3; 4. hybridizing bamboo rice F2 with Haikechuan rice to obtain bamboo Kechuan F2 and hybridizing bamboo Kechuan F2 with Guichao 2 to obtain Zhuzazao rice; and 5. hybridizing bamboo Baomei F3 with Zhuzazao rice to obtain Zhudao 966 rice and Zhudao 989 rice.

The invention discloses a breeding method of a dwarf corn selfing line 13H280. A basic material is built through (08H67-1*07092)* Zheng 58 group to obtain S0; S1 is obtained after the selfing pollinating until the corn mature harvesting; then, line selection and strain selection selfing is continuously performed for four generations; in the generation S4, 10 strains are selected to be subjected to selfing at 6 o'clock in the afternoon on the last day; before 7 o'clock in the morning on the second day, a prepared 0.05 percent EMS solution is dripped to the flat opening part on the top of female ears until the solution does not seep; after one hour, the solution is repeatedly dripped once; in the autumn, seeds of 10 harvested ears are mixed; in the year, the dibbled planting is performed in Hainan according to the planting density being 120,000 strains / hectare for 0.03 hectare; dwarf plants are found in the group for selfing; during the planting in the second year, the harvested plants have the stable inherited characters, the dwarfing is realized, and 13H280 is obtained. The corn selfing line 13H280 obtained by the method has the advantages of fertilizer and water resistance, good drought-enduring performance, compact strains and strong falling resistant capability.

The invention discloses a plant moisturizing and skin caring composition and application in cosmetics. The plant moisturizing and skin caring composition is composed of, by weight ratio, the following components of herbal selaginellae extractive 40-80%, lily extractive 10-50% and yucca extractive 10-50%. According to the plant moisturizing and skin caring composition and the application in the cosmetics, all the extractive generates a good synergistic effect after being compounded through the ratio in the composition, the moisturizing performance is far superior to single moisturizer, the moisturizing time is longer, and the advantages of being antiphlogistic and prothetic, fast in absorption, fresh and cool, not gooey, pure natural, safe, non-irritant, good in stability and the like are achieved; the plant moisturizing and skin caring composition can be added to various preparation formulation of the cosmetics instead of traditional moisturizer, and has the wider usability and market prospects.

The invention relates to a method for breeding a corn hybrid with high density and yield. The female parent of parent source of the method is selected from filial generation of Zheng 58 and Huangzao 4; the male parent is selected from filial generation of Chang 7-2 mutant plant; the female parent pure lines are crossbred with the male parent pure lines respectively; and fine varieties with high appetency are selected from the first filial generation of the hybrids, and planted to select the most excellent variety with high density, high resistance and high yield in the corn hybrids, and the excellent variety is named as Beiyu 288. The planting density of the corn hybrid can reach 4,000 to 5,500 plants per mu, and the corn hybrid does not generate phenomena of hollow stem, lodging and barren ear tip, resists insects and various plant diseases such as head smut disease, spot disease, bacterial wilt disease, virus disease and so on, and has deep root systems, strong drought hardiness, strong stems to resist logging, good quality, and high yield; and the common yield per mu is 850 kg, the high yield per mu reaches over 1,000 kg, and the yield is improved by more than 10 percent.

The present invention provides a dishwashing liquid derived from pure nature plants, and a preparation method thereof, wherein the dishwashing liquid is prepared from the following raw materials by weight: 3-6 parts of citrus medica l, 2-4 parts of chrysanthemum, 2-6 parts of salvia miltiorrhiza, 3-6 parts of selaginella tamariscina, 3-6 parts of aconitum gymnandrum maxim, and 100-120 parts of water. The dishwashing liquid of the present invention has an excellent disinfection effect.

The invention discloses a dry direct seeding planting method for rice. The method sequentially comprises the steps of rotary tillage, stubble burying, leveling, fertilization, seeding, primary pressing, watering, film mulching, soil covering and secondary pressing in a planting process. Seedling raising and transplanting links are omitted. Especially when spring sowing is started in May in northern areas, sufficient sunlight exists, but the ground temperature is not enough, and the problem is effectively solved through the dry direct sowing planting method for the rice. The rice automatically drills a mulching film and grows out of the ground, the mulching film is tightly attached to seedlings, and moisture and heat are preserved to the maximum extent. 80% of the surface evaporation capacity is also blocked by the mulching film; and meanwhile, the transpiration amount of rice plants is also reduced, and compared with hydroponic rice, the technology has the advantage that the water consumption can be reduced by more than 50%. In addition, the seedlings covered by the mulching film grow in a soil layer with good soil moisture content, sufficient oxygen and high ground temperature, so that the development of root systems is promoted.

The invention discloses an efficient low-cost organic crop planting method which includes the steps: (1) land selection: selecting a paddy land, a second tableland and a third tableland and then performing rotary tillage and land preparation with the rotary tillage depth of 15-30cm; (2) planting rice on the paddy land, crushing rape seed cakes and spreading the crushed rape seed cakes onto the paddy land before planting, uniformly mixing the crushed rape seed cakes with soil and applying 60-80kg of rape seed cakes per mu; (3) dividing the second tableland into a first plot, a second plot, a third plot and a fourth plot from bottom to top, planting different crops on the plots, planting spades at the upper end of the third tableland, planting peanuts in the rest part of the third tableland,planting rape seeds and finally planting soybeans. The lands are classified, cultivation patterns are researched, and crop yield is improved while cost is reduced. Besides, excessive metal elements and other harmful substances are not applied to the soil or the crops in the planting process, an efficient low-cost organic crop planting pattern is realized, and economic benefits are further improved.

The invention relates to an application of malus robusta as a grafting stock of green apples. According to the application, the malus robusta is adopted as the grafting stock of the green apples, and a screening method of the stock comprises the steps of 1 screening out the stock with drought tolerance, salt tolerance and cold tolerance and 2 determining the graft compatibility of the green apples and different kinds of crabapple. After the green apples are grafted to the malus robusta grafting stock, the grafting survival rate can be improved by 13.50% compared with the mode of grafting the green apples to a contrast bredia rotundifolia stock; the growth amount of young sprouts is increased by 57.53% compared with that of the contrast stock. The area of leaves is 15.88% larger than that of the contrast stock. The net photosynthetic rate is 26.66% higher than that of the contrast stock. The grafting stock has high cold tolerance, drought tolerance and salt tolerance, is propagated through seeds, the application is convenient, grafting is carried out through a conventional grafting method, the method is simple and can be conveniently grasped by orchard workers, and popularization is easy.

The invention relates to a cultivating method for an elm with a golden yellow crown. The method includes the following steps: (1) selecting a golden leaf elm branch which is strong and has two to three sprouts as a scion, and cutting the lower end part of the scion to form a wedge; (2) selecting a white elm with the outer diameter of 10 centimeters and without pests and diseases, cutting off the white elm in a position of 80 centimeters from the ground, and cutting an open mouth in the section close to the one-third edge, wherein the size of the open mouth is greater than that of the wedge at the lower end part of the scion; (3) embedding the wedge at the lower end part of the white elm in the open mouth, and binding and fixing the outer surface of the scion with plastic strips; (4) removing coppice shoots on a stock; (5)loosening the plastic strips when the scion grows to 30 centimeters and accomplishing the cultivation. The elm cultivated by the invention has the benefits that the crown of the elm is dark golden yellow in spring and light golden yellow in summer; the elm has dwarf branches, shortened bud distance and a full-grown shape; the elm can grow in alkaline soil with a salt content of more than 5%; leaf surfaces of the elm are large in size; the elm sprouts 5 days earlier than common elms, and grows faster; roots of the elm grow well; the elm is highly resistant to droughts, saline-alkaine resistant, and insect free.

The invention provides a special compound fertilizer for water-saving and drought-resistant rice.The compound fertilizer comprises a main fertilizer and an auxiliary fertilizer, wherein the main fertilizer comprises urea and / or slow-release urea, ammonium dihydrogen phosphate, potassium chloride and ammonium chloride; the auxiliary fertilizer comprises a zinc fertilizer, humic acid and a water retaining agent; and the ratio of nitrogen to phosphorus to potassium in the main fertilizer is (16-20):(5-8):(14-18) based on the mass percentage of nitrogen, phosphorus pentoxide and potassium oxide. Acertain amount of zinc fertilizer is added correspondingly while the content of the phosphate fertilizer in the main fertilizer of the composite fertilizer is reduced. The means of 'phosphorus reduction and zinc addition' effectively reduces the zinc-phosphorus antagonism in the compound fertilizer, so that the zinc fertilizer in the water-saving and drought-resistant rice can be fully absorbed.The plants are tall, robust and strong in stress tolerance, and the grains are thick and full. Therefore, the compound fertilizer is beneficial to improvements on the quality and yield per mu of the water-saving and drought-resistant rice.

The invention discloses a cultivation method of psammosilene tunicoides. The cultivation method comprises: (1) selecting seeds; (2) selecting a land and carrying out land preparation; (3) sowing seeds; (4) carrying out seedling emergence management; (5) transplanting seedlings; (6) carrying out field management; (7) preventing and controlling plant diseases and insect pests; and (8) harvesting fruits. According to the cultivation method of the psammosilene tunicoides, provided by the invention, the seedling emergence rate is high, the seedling quality is good, an original ecological environment is imitated and an original ecological pharmacological function of psammosilene tunicoides can be kept.

The invention discloses a method for improving severe saline-alkali land. Firstly, ardealite powder is evenly spread in furrows of the saline-alkali land, then earthing is performed to fill and level up the furrows, rotary tillage treatment is performed, thin films are taken away and leaching treatment is performed after thin film mulching is performed for a period of time, a compost and oil cakes are evenly applied in the saline-alkali land, rotary tillage treatment is performed again, finally wild sweet potato cuttings are put into the saline-alkali land in a cuttage mode, and follow-up management is performed. According to the method, the ardealite is firstly adopted to improve the saline-alkali land, then the compost and the oil cakes are used for improving the saline-alkali land, and wild sweet potatoes are planted in the improved saline-alkali land, so that it is ensured that the wild sweet potatoes lushly grow in the treated saline-alkali land; growth of the wild sweet potatoes can promote formation of soil granule structures, the physical and chemical properties of soil are improved, organic matter and available nitrogen in the soil are increased, the saline content in the soil is reduced, wild sweet potato fruits and tubers are further obtained from the planted wild sweet potatoes, and remarkable economic benefit is gained.