101 results about "Haloxylon" patented technology

The invention relates to a method for improving the survival rate of haloxylon seedlings, which belongs to the field of forestry ecological plant, is specifically used for protecting haloxylon seedlings by using a protective net cover in a process of massively restoring and building a haloxylon forest in a desert or semi-desert region, obviously improves the survival rate of the haloxylon seedlings and prevents the phenomenon of 'summer dormancy' of the haloxylon seedlings. The protective net cover is divided into two types, namely a directly sown seedling or naturally growing seedling protective net cover and a transplanted seedling protective net cover. By the method, the haloxylon seedlings can be effectively prevented from being harmed or threatened by the supracrustal high temperature, blown sand, animals and the like, supracrustal water evaporation can be locally reduced and vegetation coverage can be increased, so that the survival rate of the haloxylon seedlings is improved by over 30 percent. The operability is strong; the efficiency is high; and the method is simple and has very important significance for massively restoring and building the haloxylon forests in desert or semi-desert regions in drought regions of China, even African-Asian mainland.

A method for artificially planting cistanche inlcudes sunning cistanche seeds, freezing, soaking, applying base fertilizer, planting the seeds along with Haloxylon ammondendron as host of cistanche, culturing and irrigating on time. Its advantages are high growth speed, and improving desert.

The present invention relates to an artificial planting technique of haloxylon ammodendron cistanche salsa. Said technique is formed from three portions of sowing of haloxylon ammodendron cistanche salsa host, reforestation of haloxylon ammodendron cistanche salsa host and inoculation of haloxylon ammodendron cistanche salsa. The cistanche salsa is parasitized in the root system of haloxylon ammodendron and grown, in the fourth and fifth month of second year said haloxylon ammodendron cistanche salsa can be dug up.

The invention relates to a method for improving the fixation of carbon in the arid desert region by using rhizome sprout. According to the method, the rhizome sprouts and pruned root sprouts of plants are used to rapidly increase the aboveground vegetation coverage and the fixation of the carbon by plants. The seeds of apocynum venetum, alhagi and halimodendron halodendron are sowed in lines manually, water is supplemented manually to promote the sprouting and rejuvenate the seedlings, and the roots of apocynum venetum, alhagi and halimodendron halodendron and the roots of the deep-rooted populus diversifolia, tamarix chinensis and sacsaoul at the periphery of apocynum venetum, alhagi and halimodendron halodendron are pruned to sprout. The growth of the seedlings of plants is promoted effectively, the aboveground vegetation coverage is increased rapidly, the inorganic carbon such as CO2 in the air is absorbed and fixed under the action of photosynthesis of plants, the fixation of the carbon in the saline-alkali land is improved effectively, the vegetation coverage level of the arid desert region with sparse aboveground vegetation, the amount of precipitation of less than 200mm and the amount of evaporation of more than 2,000mm is increased, the carbon absorption capacity of the region is improved, and the carbon accumulation amount of the region is increased.

The invention relates to novel technology and method for Haloxylon ammodendron forestation without irrigation in dry and desert areas. The method comprises steps of employing primitive shrub Haloxylon ammodendron as cultivation species, screening out plant pit size, sand-covering thickness by orthogonal experiment and storing water in container. The invention can be used in natural environment of rain precipitation below 100mm to 150mm, and vegetation restoration and reconstruction from vegetation degradation coming from natural and human interference.

The invention relates to the field of afforestation technologies, in particular to a direct-sowing afforestation method for desert haloxylon of arid and extremely arid areas in the growing season. The direct-sowing afforestation method for the desert haloxylon of the arid and extremely arid areas in the growing season comprises the first step of determining afforestation land, the second step of laying drip irrigation pipes on the afforestation land, the third step of performing irrigation before sowing, the fourth step of sowing, the fifth step of performing current-year management after direct-sowing of haloxylon seeds, and the sixth step of performing next-year management after sowing. Compared with an existing afforestation method, according to the direct-sowing afforestation method for the desert haloxylon of the arid and extremely arid areas in the growing season, the survival rate and the retention rate are substantially increased, cost is greatly reduced, afforestation time is prolonged, and the afforestation method is not affected by weather.

An intercrop method for cultivating cistanche and ephedra includes such steps as planting shelter forest including necessary tree and the host o f cistanche, and alternatively planting the host of cistanche and ephedra in south-north ridges. Its advantages are controlling desert and high economic benefit.

The invention relates to a method for artificially inoculating cistanche deserticola. In the method, cistanche deserticola is inoculated by intensively drilling holes close to a host forest, so that the aim of pruning roots is fulfilled, abundant germination of new root systems is promoted, and meanwhile, effective utilization of cistanche seeds is ensured simultaneously, and possible waste is avoided. Indicated by long-term test: by adopting the method, the inoculating rate is over 150 percent, namely more than one stem of cistanche can be inoculated on every stem of saxoul, the utilization ratio of rich cistanche seeds is greatly increased, the cost is lowered, conditions are created for mechanical inoculation of cistanche, meanwhile, the damage of excavation to the ground surface is avoided, the original natural environment is protected to the maximum extent, and the long-standing problem of low benefit, which disturbs the cistanche deserticola planting industry, is fundamentally solved. Therefore, a safe and reliable measure is provided for the development of the cistanche deserticulture in arid desert regions.

The invention provides a cistanche inoculation method. The method includes the steps that an inoculation nutrition plate is evenly coated with cistanche seeds, in a cistanche inoculation season, the inoculation nutrition plate is vertically placed in the position 60-100 cm deep on one side of the sunny side of a host, or the inoculation nutrition plate and the host are jointly vertically placed, then the inoculation nutrition plate and the host are covered with soil and watered. By the adoption of the method, the bottleneck problems of seed waste in conventional broadcast sowing, severe insect attack, plantinnutrition and the like are solved, the contact probability of the cistanche seeds and haloxylon roots of the host is increased, inoculation efficiency is greatly improved, cost is reduced, and a new, effective and practical solution is provided for the problems that the inoculation rate is low and inoculation cost is high in the cistanche inoculation process throughout the year.

The invention discloses a method for recovering wind prevention and sand fixation functions of a degenerated artificial sacsaoul forest. The method comprises the steps that a plastic mesh sand-protecting barrier or a wheat straw sand-protecting barrier or a clay sand-protecting barrier with the width of 200-300m is arranged on a windward side in degenerated artificial sacsaoul forests in a desert oasis transitional zone, two sides of a road, a wind sand gap and other places, terrain roughness is increased, the wind prevention and sand fixation functions are improved, under the premise that rainfall bearing density of the artificial sacsaoul forest is guaranteed, sacsaouls are planted in the plastic mesh sand-protecting barrier or the wheat straw sand-protecting barrier or the clay sand-protecting barrier in a complementary mode, and a preserved density of the sacsaoul forest in a desert area with 110mm rainfall is made to reach 570-600 plants / hm2. Compared with the prior art, the method greatly improves the surface roughness of a degenerated artificial sacsaoul forestland, wind speed of a ground layer is reduced, drift sand is fixed, wind erosion is reduced, a certain recovery effect is performed on degenerated vegetation and the environment thereof, after the plastic mesh sand-protecting barrier or the wheat straw sand-protecting barrier or the clay sand-protecting barrier is arranged, effective protective wind speed in the degenerated artificial sacsaoul forest is improved to 21m / s or 22m / s or 16m / s from 7.9m / s, and sand output in the forest is reduced by 97.3% or 99.9% or 91.4% respectively compared with a reference.

The invention relates to a mode of arranging and building main, auxiliary and intercropping host forests for herba cistanches, namely shelter forests against wind and for fixing sand, and belongs to the field of forestry and ecological environment. The forests consist of a main host forest, an auxiliary host forest and an intercropping host forest. The main hosts of haloxylon ammondendrons are arranged in diamonds, wherein an included angle of each two opposite angles of each diamond are 60 degrees; the distance between each two opposite angular vertexes is the tree shadow length of a 2-meter haloxylon ammondendron during sunrise and sunset on the summer solstice in the lunar calendar; one haloxylon ammondendron is planted at each opposite angular vertex; every three adjacent haloxylon ammondendrons form an equilateral triangle; and every four haloxylon ammondendrons form a diamond. The auxiliary hosts of caragana and Chinese wolfberry are respectively planted on two opposite sides of each diamond; and no trees are planted on the other opposite sides. A 0.5-meter periphery of each main host of haloxylon ammondendron is a blank area. Intercropping hosts of nanophyton erinaceum and artemisia stelleriana are intercropped at the blank area of each two adjacent diamonds. Herba cistanche is planted at the roots of haloxylon ammondendrons. The mode has the effects of blocking off and filtering sand wind, reducing a wind speed, retaining sand storm and preventing the generation of cyclones. The mode can be used for effectively controlling desertization expansion, improving the ecological environment and developing a herba cistanches industry.

The invention relates to a method for retrofitting a Calligonum mongolicum mature forest of arid regions. The method provided by the invention comprises the following steps of: carrying forward the Calligonum mongolicum mature forest from a desert front edge to an oasis edge, namely keeping six rows of original Calligonum mongolicum forest belts on the desert front edge to form a first belt for retrofitting; forming a second belt for retrofitting through a method for combining a step of keeping corresponding number of Calligonum mongolicum with a step of planting economic plants Chinese tamarisk; forming a third belt for retrofitting through a method for combining a step of keeping corresponding number of Calligonum mongolicum with a step of planting economic plants saxoul; forming a fourth belt for retrofitting through a method for combining a step of keeping corresponding number of Calligonum mongolicum with a step of planting economic plants red jujube; and forming a fifth belt forretrofitting through a method for combining a step of keeping corresponding number of Calligonum mongolicum with a step of planting economic plants walnut. Through being deplored for multiple years, the method provided by the invention is applied to Qira oasis of the south rim of Taklimakan desert which is extremely arid and the survival rates of different types of economic species averagely reach more than 80%. The whole growth situation of the retrofitted forest belts is good and the protective effects are gradually appeared.

The invention provides a high-yield and disease-resistant cultivation method of Cistanche deserticola Ma. The method includes following steps: (1) site selection, soil preparation, and cultivation ofHaloxylon ammodendron seedlings; (2) fixed planting of Haloxylon ammodendron seedlings and intercropping of Seriphidium minchunense Y . R . Ling; (3) selection and processing of Cistanche deserticolaMa seeds; (4) inoculation of Cistanche deserticola Ma for Haloxylon ammodendron; (5) field management and disease and insect pest control; and (6) harvesting and drying. According to the method, intercropping of Seriphidium minchunense Y . R . Ling and the host Haloxylon ammodendron is performed, the growth characteristic of Seriphidium minchunense Y . R . Ling and a secretory substance thereof are fully utilized, a strong suppression avoidance effect is produced on the disease and insect pest and rodent control of Haloxylon ammodendron and Cistanche deserticola Ma, the Cistanche deserticola Ma seeds after dormancy-breaking processing, various plant rhizome leaching liquids and seed germination promotion substances are mixed to prepare a nutritive base substance, and then the nutritive base substance is flatly laid near roots of Haloxylon ammodendron so that the germination rate and the inoculation success rate of the Cistanche deserticola Ma seeds are increased; and application of a self-made biological base fertilizer and subsequent complementary application are performed so that a good nutritive base is provided for growth of Haloxylon ammodendron, and the output and the qualityof Cistanche deserticola Ma are improved.

The invention discloses a mechanical seeding method of desertliving cistanche and belongs to the technical field of agriculture crop culture. According to the method, special seeding machinery for the desertliving cistanche is used for furrowing according to a line distance being 2m to 4m, desertliving cistanche seeds are seeded, the furrow width is 20cm to 30cm, the furrow depth is 50cm to 80cm, then, the soil is covered to the position with a distance with 10cm to 20cm from the ground, a water irrigation ditch is remained, and the water irrigation is carried out; and simultaneously, 1 to 2-year-old sacsaoul seedlings are planted according to a plant distance of 50cm to 200cm. The method has the advantages that the one-step completion of the sacsaoul transplanting and the desertliving cistanche mechanical seeding is realized, and in addition, the method is applicable to the sacsaoul transplanted desertliving cistanche mechanical seeding. The inoculation time of the desertliving cistanche is shortened, the labor force is saved, the seeding efficiency is improved, and the desertliving cistanche inoculation rate is greatly improved.

The invention discloses an imitative ecological afforestation method for Haloxylon ammodendron in a desert area of a sandstorm front, belonging to the technical field of plant cultivation. Desert land with a soil water content of 2% and above and a saline-alkali degree of less than 2% is selected as afforestation land. Cultivation belts are dug out along the eastwest trend of the afforestation land before the soil defreezing and plantation. In the cultivation belts, heeling-in ditches for heeling in are dug along the eastwest trend. Then direct-seeding forestation, irrigation, pest control, and enclosing management and protection are successively applied. Cultivation belts are dug out before plantation and afforestation, so that low survival rate and growth rate of Haloxylon ammodendron caused by the fact that weeds compete with Haloxylon ammodendron for water and fertilizer are avoided. At the same time, the original ecology is maintained by keeping certain space between every two cultivation belts and damage to local ecological environments can be prevented. Demands for water during plantation of Haloxylon ammodendron are sustained by the construction of reservoirs. Thus, the transplanting survival rate of Haloxylon ammodendron is remarkably increased to 90% and above in comparison with the traditional transplanting survival rate of about 10%.

The invention relates to a sacsaoul irrigation-free vegetative cover afforestation method for a draughty gravel desert region. According to the method disclosed by the invention, an excavator is used for deeply digging a planting cavity; a planting substrate screening technology can improve plant rhizosphere soil condition; meanwhile, terrain modification is performed so that natural rainfall is re-distributed in the soil to achieve a snow and water accumulation effect, the water content of the sacsaoul rhizosphere soil is changed, the growth of sacsaoul is promoted, the biomass liveweight is increased, and thus the aim of well maintaining continuous existence of an artificial sacsaoul forest for a long time by depending on a natural water resource in the living space is realized. The process is suitable for restoration and rebuilding of an irrigation-free vegetative cover which takes the sacsaoul as constructive species for deteriorated and damaged vegetative covers of the draughty gravel desert regions under an environmental condition that the average annual precipitation is larger than 100mm and snowfall is stable in winter.

The invention discloses a method for artificially inoculating Cistanche deserticola by hole mulching. A hole mulching device adopted comprises an outer cylinder and a liner matching with the outer cylinder; a hole is dug according to the size of the outer cylinder; the outer cylinder is placed in the dug hole. When the device is in use, the bottom of the liner and the outside of the liner are mulched; the liner is nested in the outer cylinder; a mixture of organic fertilizer and sand is added into the liner for sowing; the hole is buried, a mould is obtained, watering and earthing are performed. Operability is high, using is facilitated, and the hole for planting Cistanche deserticola forms a closed environment. By means of hole mulching, the sandy soil in the inoculating hole is kept moist for a long period of time, moisture in the hole is prevented from loss caused by leaking and evaporating, seeds of Cistanche deserticola can expand and enlarge, Haloxylon roots are induced and attracted to grow and spread towards to the seeds of Cistanche deserticola, chances that the seeds of Cistanche deserticola encounter the Haloxylon roots are increased, germination rate of the seeds is increased, water is saved, and production and income are increased.

The invention provides a method for planting microelement-enriched cistanche. According to the method, microelements such as calcium salt, iron salt, selenium salt, boron salt, molybdenum salt, chromium salt and the like are mixed with an EM (effective microorganism) solution, a mixture is applied to sacsaoul on which the cistanche is parasitized, the sacsaoul absorbs the microelements, and the cistanche is utilized to absorb nutrient and water in a sacsaoul host, so that the microelements are enriched in the cistanche, the microelement enrichment is further improved, and the effect of the cistanche is improved. Compared to the prior art, the planting method is simple; and the cistanche obtained by planting is enriched in microelements such as calcium, iron, selenium, boron, molybdenum, chromium and the like, thereby having relatively high commercial and medicinal values.

The invention relates to a cultivation method for improving the yield and the quality of Cistanche deserticola. Annual Haloxylon ammodendron saplings are selected, and are planted in desertified loess in spring or autumn according to a planting density of 0.15-0.52 plant / m<2>, humus soil is applied according to a ratio of 1000-2000 g / plant, the planted samplings are timely watered to ensure the survival rate, inoculation with a Cistanche deserticola seed mixture is carried out after the Haloxylon ammodendro saplings grow to about 1.5 m, the humus soil is applied again according to a ratio of 500-2000 g / plant, the inoculation time is March to May Or October to December every year, the Cistanche deserticola seed mixture comprises Cistanche deserticola seeds subjected to seed soaking treatment in a seed soaking solution, sucrose, L-tyrosine, L-phenylalanine and mint powder, the seed soaking solution is a 3-5 mg / L fluridone solution, the seed soaking treatment time is 12-36 h, and the Cistanche deserticola seeds subjected to seed soaking treatment are obtained through drying the soaked seeds in the shade. The cultivation method has the following advantages: the inoculation process of the Cistanche deserticola seeds is simple, and can effectively promote the germination of the Cistanche deserticola seeds and effectively improve the yield of the Cistanche deserticola planted in the desertified loess; and the composition of the Cistanche deserticola seed mixture can be screened to obviously improve the content of effective components comprising echinacoside and verbascoside in the artificially planted Cistanche deserticola, improve the quality of the artificially planted Cistanche deserticola and effectively enhance the drug effects and the economic benefits of the artificially planted Cistanche deserticola.

The invention relates to an ecological protection method for preventing the summer donnancy of halaxylon ammodendron forest, which belongs to the field of forestry ecological cultivation science. Because of the forest land condition, the summer donnancy of halaxylon ammodendron (or haloxylon persicum) occurs for many years, but the underground water supply of the shallow forest ground layer is rich. Various plants and seeds thereof applicable to desert or semidesert environment growth and commonly in concomitance with the halaxylon ammodendron (or haloxylon persicum) are adopted for sowing in a circle with the radius about 50 cm around the base part of the root and stalk of the halaxylon ammodendron (or haloxylon persicum), and more than 200 seeds are sowed per square meter. Through the invention, the halaxylon ammodendron (or haloxylon persicum) can still grow normally under the extreme adverse environment conditions in summer, and the physiological phenomenon of summer donnancy does not occur, so the fast growth of the individual plants of the halaxylon ammodendron (or haloxylon persicum) is promoted, and the annual growth quantity is increased. The invention has the advantages of strong operability, good repeatability, high efficiency and simple method, and has the significant meaning for the ecological restoration reconstruction of the desert or semidesert large-scale halaxylon ammodendron (or haloxylon persicum) forest in China.

The present invention relates to a method for the safe storage of the saxoul seedling to pass the winter. The method comprises the steps such as the selection of the saxoul seedling, the selection of the soil for the storage of the seedling, the binding of the seedling, the embedding of the seedling, the provisonal planting time of the seedling, etc. The present invention is adopted to plant the 50000 saxoul seedlings and 300000 saxoul seedlings for provisional planting to pass winter along the channel line at Gurbantunggut Desert of North-to-South Water Engineering in Xinjiang Uygur Autonomous Region; the survival rate of the plantation reaches 90 percent and 85 percent respectively, thereby achieving favorable sand-prevention and sand-governing effect, and guaranteeing the successful construction of the engineering at the desert section.

The invention discloses a method for seeding cistanche by means of mechanical holing, which belongs to the technical field of cultivation of agricultural crops. An auger machine is used for drilling two to four cistanche seeding holes around each haloxylon ammodendron, then cistanche seeds which are in stratification treatment are scattered into the cistanche seeding holes, soil is covered onto the seeding holes so that the distance from the soil to the ground ranges from 10cm to 20cm, then water is filled in the seeding holes, and after water permeates into the soil, the cistanche seeding holes are filled and leveled up. The method realizes mechanical cistanche seeding, and overcomes shortcomings that in a traditional seeding mode, digging of pits and ditches wastes labor and time and moisture of soil which is dug out is lost. Labor intensity is reduced, efficiency is improved, and moisture of the soil is kept. In addition, the method is suitable for mechanical cistanche seeding in artificial haloxylon ammodendron forests and natural haloxylon ammodendron forests, shortens cistanche inoculation time, saves labor, improves efficiency, and greatly increases inoculation rate.

The invention relates to a drip-irrigation system for Haloxylon ammodendron in a desert marginal area, and a planting method and an application for the Haloxylon ammodendron, belonging to the technical field of drip irrigation. The drip-irrigation system comprises a first reuse device and a field drip-irrigation device, wherein the first reuse device is connected with the field drip-irrigation device through a water delivery pipeline; through the first reuse device, an underground water source in the desert marginal area is distilled, and brackish water and fresh water obtained from distillation and separation are mixed into brackish-fresh mixed water in proportion; and the brackish-fresh mixed water is delivered to the field drip-irrigation device through the water delivery pipeline. Thedrip-irrigation system provided by the invention comprehensively considers salt tolerance of the Haloxylon ammodendron, clogging of an irrigation emitter and secondary salinization of soil under the condition of drip irrigation with brackish water, provides the control range of the salinity of irrigation water in different growth stages of the Haloxylon ammodendron, and solves the problems of over-high energy consumption and cost and low degree of automation for a conventional brackish-water desalination technology on the basis that the problems of root wilting of the Haloxylon ammodendron, clogging of the irrigation emitter and secondary salinization of the soil due to irrigation with high-salinity brackish water are solved.

The invention relates to an unirrigated vegetation planting method by Haloxylonammodendron for heavy clay lands of an arid area. The method includes the steps of land preparation, sand changing for planting pits, seedling quality determining, planting and managing; according to three-year experimental study and large-scale practice, natural rainfall is collected by building of artificial catch basins with sand changing for culture substrate of planting pits; owing to ease of seepage, good water retention and low evaporation in sandy soil, effective available moisture is provided; excess surface water accumulation is prevented, and normal growth of plants is guaranteed. The novel method is provided for unirrigated vegetation recovery by Haloxylonammodendron for the heavy clay lands of the arid area, and the problems that current vegetation recovery for the heavy clay lands of the arid area is difficult and maintenance cost is high are solved.

The invention relates to a cultivation method of haloxylon ammodendron suitable in an arid desert region. The method comprises following steps: (1) excavating planting furrows of haloxylon ammodendron: opening furrows which are 35-45 cm wide and 25-35 deep along a latitudinal direction by utilizing a tractor with ploughshares in the arid desert region from late autumn to early winter such that the distance between furrows ranges from 3 to 5 m; (2) selecting seedlings for haloxylon ammodendron: selecting seedlings without plant diseases and insect pests of annular haloxylon ammodendron; (3) planting haloxylon ammodendron: adopting a seedling planting tool to plant haloxylon ammodendron seedlings after soil thawing in spring next year; (4) performing maintenance management of haloxylon ammodendron.The cultivation method of haloxylon ammodendron suitable in the arid desert region has following beneficial effects: intensity of labour is greatly reduced; planting and irrigation of haloxylon ammodendron seedlings can be integrated; planting time is shortened; survival rate of seedlings is increased and time and water can be saved.

A dwarfing propagation technique for the saxaul includes the steps: using inoculation paper to perform transplanting and inoculation, applying farmyard manure or chemical fertilizer in small quantity, or planting Cistanche salsa in field planting of small saxaul seedlings, using a spade to dig a planting pit 40-50cm deep, placing seeds of Cistanche salsa into the pit, and planting the small saxaul seedlings on the pit; using a special drill to drill down a saxaul root system distribution to a certain depth; pulling up an inner tube and poking the inner tube for a few times before taking out; sequentially feeding handfuls of clay(capable of preserving water, optional and special fertilizer particles into an outer tube, separating the seeds and the fertilizer with sandy soil, using two seeds of Cistanche salsa (adhered to seed paper or each soil ball), and evenly distributing the seeds in the vertical direction in a sequential layer mode of sandy soil, fertilizer, sandy soil, seed and sandy soil; pouring half barrel of water or diluted drought-resistant water-retaining agent into the tube after ten seeds placed in; and taking out the drill, compacting a drilled hole, and making marks. By the method, taxis of the saxaul root systems to water and fertilizer is fully utilized, labor intensity and cost in planting Cistanche salsa are lowered, and surface vegetation destruction can also be reduced.

The invention relates to a sacsaoul seedling cultural method in green house under the condition of construction agriculture in northwestern area of China, belonging to the field of forestry cultivation. The method comprises the follows steps: preparing nutritional matrix from desert sand, vermiculite, pearlite and sheep manure according to a certain proportion, filling a seedling tray with the nutritional matrix; sowing sacsaoul seeds on the nutritional matrix in the seedling tray, and keeping suitable growth conditions such as temperature, illumination, humidity, water content and the like for container seedlings; starting to separate the seedlings after 55 days, transplanting the separated seedlings to a seedling cultural container, top dressing and control diseases, pests and weed in time; after the seedling age reaches 100-120 days, taking the seedlings as finished seedlings for sell. The sacsaoul container seedlings cultivated by the method has the characteristics of 20-40cm of plant height, emerald green color, straight and robust shape and strong disease resistance, and has the advantages of being not limited by seasons, having high seedling survival rate and being not easy to damage roots when seedlings are transplanted. The invention has strong operability, good repeatability, high efficiency and simple method and can be used for mass culture of sacsaoul seedlings.

The invention relates to a method for plant-animal-microorganism combined restoration of an abandoned steel rehabilitation hill, belonging to the technical field of ecological restoration. According to the invention, a steel rehabilitation hill is divided into a steel rehabilitation hill foot restoration zone, a steel rehabilitation hill versant restoration zone and a steel rehabilitation hill toprestoration zone, wherein each area adopts different animals, plants and microorganisms. For the steel rehabilitation hill foot restoration zone, the method of restoration via a combination of Xanthoceras sorbifolium Bunge, Haloxylon ammodendron and VA mycorrhizas is adopted; for the steel rehabilitation hill versant restoration zone, the method of restoration via a combination of creepers and earthworms is adopted; and for the steel rehabilitation hill top restoration zone, the method of restoration via a combination of torch trees and AM mycorrhizas is adopted. With the method, the landscape of the steel rehabilitation hill and the surrounding landscape are made beautified, and the quality of water around the steel rehabilitation hill is greatly improved.

The invention relates to a physical protection method for preventing summer dormancy of haloxylon ammodendron forest, belonging to the field of ecological cultivation of forestry. Years haloxylon ammodendron or haloxylon persicum forest land has abundant shallow ground water supply; and general material, such as straw screens, straws, wheat straws or straw ropes and the like and organic heat insulation materials, such as polystyrene board and the like are chosen. The materials are applied all over the year and are maintained once before summer dormancy to ensure that the base of the root and the stem of the haloxylon ammodendron or haloxylon persicum are effectively separated from shallow ground matrix. The method can ensure that the haloxylon ammodendron (or haloxylon persicum) can normally grow under the extreme adverse circumstance in summer, generates no 'summer dormancy' physiological phenomenon and quickens the growth of artificial haloxylon ammodendron (or haloxylon persicum). The invention has strong maneuverability, favorable repeatability, high efficiency and simple method and has an important meaning for large-scale ecological restoration and reconstruction of haloxylon ammodendron (or haloxylon persicum) forest in desert and semi-desert in China.