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 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 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 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 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 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 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.