1482results about "Growth substrates" patented technology

The invention relates to a high-frequency regeneration and rapid propagation method of Enkianthus chinensis tissue culture seedlings. The invention is characterized in that dormant axillary buds of semi-lignified young stems are used as the base. The method comprises the following main steps: sampling and disinfection treatment of explants, inducing of dormant axillary bud germination, inducing of adventitious bud and lateral bud high-frequency generation, strong seedling culture, test-tube rooting culture and acclimatization and transplanting. Finally, regenerative plants which have consistent parental character, excellent quality and strong stress resistance are obtained. According to the invention, lots of seedlings with consistent specification and excellent quality can be obtained within a short period of time, and marketization progress of Enkianthus chinensis is promoted powerfully.

The invention provides a degradable sodded strip for ecological restoration and a preparation method thereof, and belongs to the technical field of sodded strips, the degradable sodded strip comprises an upper-layer fiber web, a middle-layer seed and nutrient layer and a lower-layer grid which are sequentially laminated and compounded from top to bottom; the upper-layer fiber web is made of a hydrophilic degradable material and is used for absorbing moisture and preserving soil moisture; the middle seed and nutrient layer comprises plant seeds and a nutrient controlled release unit; the lower-layer grid is a three-dimensional grid which is made of a degradable high polymer material, has a three-dimensional communicated micropore structure and is used for mechanically guiding root growth; the nutrient controlled release unit is a microcapsule which takes a fertilizer as a core material and takes an environment response type polymer as a wall material, and the microcapsule is anchored in the fiber interweaving nodes of the lower layer grid through a cross-linking agent. According to the invention, environmental response type precise controlled release of plant rhizosphere nutrients and three-dimensional mechanical guidance of a root system growth path can be realized, and the utilization rate of the fertilizer and the survival rate and long-term stability of vegetation recovery under poor site conditions such as side slopes, river banks and mines are effectively improved.

The present disclosure relates to the field of slope soil protection, and particularly relates to a modified soil ecological base material for ecological slope protection, a preparation method and application thereof; the modified soil ecological base material is used in high-cold high-humidity high-altitude areas; the modified soil ecological base material comprises the following: an anti-skid anti-ultraviolet freeze-thaw resistant layer; and a soil adaptive layer; wherein the anti-skid anti-ultraviolet freeze-thaw resistant layer comprises modified plant fibers and an anti-ultraviolet freeze-thaw resistant composite material; the soil adaptive layer comprises a water-absorbing composite material. The present disclosure prepares a modified soil ecological base material which has good freeze-thaw stability, excellent water erosion resistance and water retention performance, is eco-friendly and degradable, and is used for ecological slope protection in high-cold high-humidity high-altitude areas.

The invention discloses an engineering residue soil improvement matrix and application thereof, the engineering residue soil improvement matrix comprises a base layer and a planting layer, the base layer comprises 50-70 wt% of engineering residue soil, 10-15 wt% of humus soil, 6-8 wt% of a fiber material, 3-5 wt% of a slow release fertilizer, 1-2 wt% of sulfur powder, 2-4 wt% of sodium polyacrylate, 3-5 wt% of polyacrylamide, 2-4 wt% of sodium hydroxide, and 3-4 wt% of a straw decomposition agent; the planting layer comprises 25 to 50 wt% of engineering residue soil, 20 to 30 wt% of peat soil, 4 to 6 wt% of compost, 6 to 8 wt% of a fiber material, 3 to 5 wt% of a slow release fertilizer, 1 to 2 wt% of sodium polyacrylate, 1 to 2 wt% of sodium hydroxide, 3 to 4 wt% of straw biochar, 3 to 4 wt% of a straw decomposition agent, 2 to 4 wt% of zeolite, 3 to 5 wt% of desulfurized gypsum, 1 to 2 wt% of nitrogen-fixing bacteria and 1.5 to 3 wt% of plant seeds. On the basis of a thick-layer base material spraying slope protection technology, spray-seeding materials are improved, waste muck is recycled, and land occupation and water and soil pollution caused by traditional muck landfill or stacking are avoided.

The invention discloses artificial soil based on manganese slag, red mud and ardealite. The artificial soil is mainly prepared from a manganese slag-red mud-ardealite mixed matrix and a modifier, the weight ratio of the manganese slag to the red mud to the ardealite in the manganese slag-red mud-ardealite mixed matrix is (0.4-1.6): (0.1-0.5): (0.5-0.9); the modifier comprises calcium oxide, and further comprises rice straw, biochar, zeolite or a combination thereof, and the modifier accounts for 1-15% of the weight of the artificial soil. Accordingly, a corresponding preparation method is also established. According to the method, the three solid wastes are mixed according to the characteristics, so that specific pollutants such as ammonia nitrogen, phosphorus, fluorine and Mn < 2 + > can be fixed, the reduction of heavy metals is realized, the nutrients beneficial to plant growth are reserved, the artificial soil with rich nutrients is synchronously reconstructed, the qualitative change from waste residues to resources is realized, the process is simple, and the effect is good. The obtained artificial soil can be used for greening planting, supplementing manganese ore, aluminum ore and phosphorite surrounding soil deficiency areas, and solving the problems of no soil, ploughability and ecological restoration of mining areas.

This invention provides a method for preparing and applying a rice husk charcoal-modified substrate suitable for multi-mode rice seedling raising, belonging to the field of rice seedling raising technology. The invention first soaks rice husk charcoal in water, then soaks it in a mixed solution of citric acid and ammonium sulfate, and finally air-dries the rice husk charcoal to obtain modified rice husk charcoal. Finally, the modified rice husk charcoal is mixed with different fertilizers to obtain a rice husk charcoal-modified substrate suitable for rice seedling raising in different modes. The rice husk charcoal-modified substrate prepared by this invention can be used not only in tray seedling raising but also has good seedling rolling effect in blanket tray seedling raising.

The invention relates to preparation of stabilized soil, in particular to a freeze-thaw-resistant stabilized soil vegetation slope protection material and a preparation method thereof.The freeze-thaw-resistant stabilized soil vegetation slope protection material is prepared from, by mass, 100 parts of vegetation soil, 10 parts of cement, 8 parts of organic matter, 5 parts of greening additive and freeze-thaw-resistant additive, the freeze-thaw-resistant additive comprises polyacrylonitrile fibers, and the doping amount of the freeze-thaw-resistant additive is 0.25%-0.75% of the mass of the vegetation soil; the doping amount of the polyacrylonitrile fiber is 0.25%-0.75% of the mass of the plant-growing soil, the doping amount of the plastic steel fiber is 0.25%-0.75% of the mass of the plant-growing soil, the doping amount of the silicon powder is 1%-5% of the mass of the plant-growing soil, and the doping amount of the surfactant is 0.1%-0.3% of the mass of the plant-growing soil. The system can effectively inhibit crack initiation and expansion caused by freeze-thaw cycle. The strength loss rate after freezing and thawing is greatly reduced, and the freezing and thawing resistance is remarkably improved.

The invention discloses an ecological slope protection material, system and method based on struvite biomineralization technology.The ecological slope protection material comprises a slope stabilization material and a vegetation matrix, the slope stabilization material is composed of an enzyme-induced phosphate precipitation reaction solution and an enzyme-induced carbonate precipitation reaction solution, and through the synergistic effect of the two biomineralization technologies, the slope stabilization material can be used for slope protection. A biological mineralization reaction occurs in the side slope to generate struvite, magnesium carbonate and other minerals, so that side slope tailing sand reinforcement and heavy metal stabilization are realized, and slow-release nutrition is provided for plant growth. The invention further constructs a multi-layer slope protection system comprising a slope lattice beam, an in-situ remediation area, a slope drainage layer and a slope vegetation layer, and the multi-layer slope protection system is achieved through a construction method combined with a special grouting-sprinkling irrigation device. And finally, integrated safety reinforcement and ecological regreening of the side slope of the heavy metal tailings pond are achieved.

The invention belongs to the field of forest seedling raising, and discloses a mangrove forest plant seedling raising substrate and a preparation method thereof.The mangrove forest plant seedling raising substrate is prepared from, by weight, 30-50 parts of coco coir, 10-20 parts of perlite, 10-20 parts of sea sand, 10-20 parts of biochar chitosan quaternary ammonium salt microspheres, 10-20 parts of modified sepiolite, 0.1-0.5 part of compound microbial agent and 0.5-1.5 parts of slow-acting calcium-magnesium-silicon fertilizer; the biochar chitosan quaternary ammonium salt microspheres are porous microspheres formed by compounding coconut shell biochar and chitosan quaternary ammonium salt and then emulsifying and cross-linking the coconut shell biochar and the chitosan quaternary ammonium salt; the modified sepiolite particles are water-resistant composite particles obtained by acidifying and modifying sepiolite, bonding with ground phosphate rock and starch, and granulating; the coco coir, the perlite and the sea sand are compounded to meet the basic ventilation and water retention requirements, and the charcoal chitosan quaternary ammonium salt microspheres and the modified sepiolite are added, so that the synergistic improvement of salt resistance, rooting promotion, lodging resistance and mud flat field planting suitability is realized.

The invention discloses a method for preparing a seedling substrate by using aquatic plant residues, and belongs to the crossing field of agricultural waste recycling and environmental protection technologies. According to the method, aquatic plant residues are innovatively separated into two independent material flows, namely solid matters and squeezed liquid, through mechanical squeezing; then, according to the fundamental difference of physical and chemical characteristics of the two, two optimal conversion paths of'oxygen-limited catalytic carbonization 'and'complex microbial inoculant directional fermentation' are respectively designed; finally, functional products (biochar and organic liquid fertilizer) obtained through conversion are integrated in a granulation link, and a uniform and high-performance seedling culture substrate product is created. The core value of the invention lies in that full-quantization and high-value utilization of wastes is realized, and a complete technical closed loop without secondary pollution and with recyclable resources is formed.

Disclosed are methods of producing nutrient solutions having unique isotopic fingerprints; methods of producing traceable plants; and methods of identifying the source of a traceable plant that does not rely on expensive artificially separated isotopes. Plants grown with these nutrient solutions will have unique isotopic fingerprints that will be difficult or impossible to counterfeit.

The invention belongs to the technical field of soil improvement and solid waste resource utilization, and provides a method for preparing regenerated planting soil by compounding sludge hydrothermal carbon with muck and application, and the regenerated planting soil is prepared by preparing hydrothermal carbon from sludge and compounding engineering muck, the sludge hydrothermal carbon, a fungicide and an organic material. The mass ratio of the optimized engineering residue soil to the sludge hydrothermal carbon to the microbial inoculum to the organic material is 7: 0.5: 2.5, preparation of the regenerated planting soil can be completed within 10 days, the parameters of the obtained regenerated planting soil are that the pH value is 7.17, the organic matter content is 31.30 g / kg, the hydrolytic nitrogen content is 769.35 mg / kg, the available phosphorus content is 113.36 mg / kg, the available potassium content is 505.16 mg / kg, and the related requirements of the CJ / T340 planting soil standard are met.

The invention discloses a layered backfilling and ecological regreening system for flow-state solidified soil of an anchoring ditch of a refuse landfill. The layered backfilling and ecological regreening system comprises a muck (weathered rock) pretreatment unit, a flow-state solidified soil production unit, an ecological regreening unit, a pumping backfilling unit and an intelligent regulation and control unit. According to the system, the structure reinforcing function and the ecological restoration function are successfully integrated, and a brand-new and sustainable engineering residue soil (weathered rock) resource utilization and ecological backfill solution is provided.

Biodegradable growing media and soil conditioning compositions include nanocelluloses, such as carboxylated CNF, carboxylated LCNF, and carboxylated CNC, which serve as binding and / or wetting agents. Methods include mixing nanocelluloses with plant growth substrate materials. The compositions include the possible addition of monovalent, divalent, or trivalent inorganic salts that supply essential plant nutrients. These compositions can be processed into plug or mat forms suitable for supporting the germination and growth of crops. Carboxylated nanocellulose-based compositions can be directly applied as soil conditioners or amendments to enhance soil health and plant development.

The invention discloses an ecological restoration matrix for a mining area as well as a preparation method and application of the ecological restoration matrix. The ecological restoration matrix for the mining area comprises the following components in parts by weight: 30-50 parts of modified coal gangue, 20-35 parts of decomposed straws, 10-20 parts of bentonite, 8-15 parts of zeolite powder, 5-12 parts of charcoal, 0.5-2.0 parts of a compound microbial agent, 1-3 parts of a water-retaining agent and 0.3-1.0 part of an organic acid chelating agent. The invention further discloses a preparation method and application of the ecological restoration matrix for the mining area. The ecological restoration matrix for the mining area realizes balance of heavy metal passivation and plant nutrient absorption, unification of physical structure stability and water retention and air permeability, and coordination of rapid soil formation and long-term sustainability. The method is simple in process, low in cost and suitable for industrial application.

The invention provides a syzygium samarangense potted plant with fruits and a cultivation method and application thereof. The cultivation method comprises the step of carrying out half-cutting treatment on syzygium samarangense fruiting mother branches with flower buds, wherein the half-cutting treatment is combined operation of beveling and longitudinal cutting. According to the cultivation method provided by the invention, the technical problems that branches with flowers and fruits are difficult to root and easy to fall off are effectively solved through the synergistic effect of half-cut wound induction and rooting agent medium mediated slow-release root promotion and preferably in combination with microenvironment regulation and control of an interface type rooting matrix bag; and a complete technical scheme is provided for large-scale and efficient production of the syzygium samarangense bonsai with fruits. The potted syzygium samarangense with fruits cultivated by the method has robust and developed root systems and good fruit development, has both ornamental and picking functions, and has high ornamental value and economic value.

The invention provides a high-filling slope ecological protection construction method, and relates to the technical field of slope protection engineering. The construction method comprises the following implementation steps: step 1, slope pretreatment; the method comprises the following steps: firstly, shaping and trimming a high-filled side slope, cleaning surface topsoil, gravels and weeds, and synchronously presetting a through-type drainage system at the top, the waist and the toe of the side slope; comprising the four steps of anchor rod laying, grouting and anchoring, lattice beam pouring and geogrid laying, specifically, drilling is conducted on the trimmed slope surface of the side slope, anchor rods are laid, lattice beams fixedly connected with the anchor rods are formed through pouring, then the geogrids are flatly laid in the coverage area of the lattice beams, and double fixing is completed. The anti-sliding stability of the slope body is enhanced, the geogrids can disperse the load of the slope body, the shear strength of the surface soil body of the slope is improved, the overall stability of the high-filled slope is remarkably improved, and geological disasters such as landslide and collapse of the slope are effectively prevented.

The invention provides a soil improvement method for a sugarcane seedling seedbed. The soil improvement method comprises the following steps that a small-particle-size water-retaining agent containing a water-absorbing component and a biodegradable natural fiber material is spread on the surface layer of soil, and a large-particle-size water-retaining agent containing a water-absorbing component and a biodegradable natural fiber material is spread in a root zone. The water-retaining agents with different particle sizes and mixed with biodegradable natural fibers are spread in a layered manner, so that fine regulation and control can be performed according to the water requirements of different depths of the seedbed. The small-particle-size water-retaining agent is distributed on the surface layer, can rapidly absorb rainfall or irrigation water, reduces surface water evaporation, effectively inhibits weed growth, and meanwhile is not prone to being washed away by rainwater due to the small particle size. The large-particle-size water-retaining agent is concentrated in the root zone, has higher water-retaining capacity, can continuously provide stable water for the root system, and avoids wilting of the root zone due to water shortage. The biodegradable natural fibers are mixed, so that the water-retaining agent is expanded to form a porous structure, and root respiration and healthy growth are promoted.

The invention discloses saccharomyces boulardii, a culture and a preparation method and application of the saccharomyces boulardii. The preservation number of the strain is CCTCC (China Center for Type Culture Collection) NO: M 20252633. The preparation method comprises the following steps: preparing saccharified liquid by taking white spirit vinasse or brewer's grains as a main raw material and adopting a high-temperature alkali treatment and composite enzymolysis process, inoculating strains for liquid-state high-density fermentation, carrying out solid-liquid separation on fermentation liquor, taking a liquid phase, and carrying out spray drying. According to the method, high-value utilization of the waste vinasse is realized, and the production cost is remarkably reduced. The obtained culture is rich in viable bacteria and active small peptides, and has the characteristics of strong tolerance, wide antibacterial spectrum and the like. As a feed additive, the feed additive can effectively reduce the diarrhea rate of piglets, inhibit clostridium perfringens and prawn vibrios of broilers, and improve the oxidation resistance and production performance of animals.

The present disclosure relates to shaped cementitious compositions that comprise a substrate for aquatic flora and / or fauna attachment; methods for providing a substrate for aquatic flora and / or fauna attachment comprising depositing a shaped cementitious composition into a body of water; and methods for making a shaped cementitious composition. The shaped cementitious composition is formed from a pourable cementitious mixture comprising: (a) a pozzolan comprising a natural pozzolan and / or a manmade pozzolan; (b) MgO and / or Mg(OH)2; (c) an aqueous solution comprising one or more accelerants; and (d) at least one aggregate. In some cases, the MgO and / or Mg(OH)2 of (b) is included in the aqueous solution of (c). And, in various cases, the manmade pozzolan comprises a slag.

The invention relates to the technical field of preparation of rice seedling raising substrates, in particular to a preparation method and application of a rice seedling raising substrate based on rapid fermentation of reed foam, and the rice seedling raising substrate comprises the following components in parts by weight: 35-50 parts of reed residue, 15-22 parts of cow dung, 8-15 parts of carbonized rice husk, 10-20 parts of turf, 13-22 parts of modified bacterium-loaded vermiculite and 3-8 parts of a nutritional composition, the modified bacterium-loaded vermiculite comprises nitrogen-fixing bacteria and a vermiculite carrier subjected to functional modification. According to the invention, humic acid and other active substances generated in the composting fermentation process of reed residues and cow dung can chelate metal ions in the nutritional composition, the bioavailability of the nutritional composition is improved, and carbonized rice husks, turf and bacterium-loaded vermiculite construct a composite substrate system with excellent physical properties and strong biological functions. Organic unification of nutrition supply, physical support and biological regulation is realized, and an ideal growth medium is provided for cultivating robust rice seedlings suitable for mechanical transplanting.

The invention relates to the technical field of urban ecological engineering, in particular to a parking lot authigenic plant planting method based on carbon immobilization. The invention provides a parking lot authigenic plant planting method based on carbon immobilization, which is characterized in that a three-stage ecological rotation mechanism is introduced into vegetation construction according to the sequence of a pioneer plant period, a green manure turning and pressing soil returning period and an authigenic plant community succession period to form a parking lot authigenic plant pool, and the parking lot authigenic plant planting based on carbon immobilization is realized. The invention aims to improve the greening ecological benefit and carbon sink capacity of the parking lot by optimizing the soil structure and adopting the crop rotation technology, provides a plant pool structure which adapts to the environment of the parking lot, has high-carbon solid storage capacity and can realize autonomous ecological circulation, and improves the soil health, inhibits diseases and prolongs the plant coverage period through the crop rotation technology. The problems that traditional parking lot greening depends on manual intervention, and the carbon sink benefit is low are solved, and continuous carbon sink under the low maintenance cost is achieved.

The application provides a kind of flower cultivation soil based on waste pit mud, distiller's grains and a preparation method thereof, which comprises the following steps: step S1: after drying, ore grinding, the waste pit mud is screened to obtain large block stone with particle size greater than 4mm, large particle sandstone with particle size of 2-4mm and purple mud with particle size less than 2mm; step S2: the purple mud and the large particle sandstone are mixed according to a mass ratio of 7:3-8:2 to obtain pit mud without stone; step S3: the pit mud without stone and the distiller's grains are mixed according to a mass ratio of 7.5:2.5-8.5:1.5 to obtain the cultivation soil base; step S4: lime is added to the cultivation soil base to adjust the pH to 6-7, and an appropriate amount of surfactant is added to obtain the flower cultivation soil. The method can obtain the flower cultivation soil with suitable porosity and rich organic matter, which can effectively promote the growth of plants and realize the recycling of waste pit mud and distiller's grains.

This solution addresses the problems in conventional technologies where regrowth is difficult and the stability of the regrowth structure is low on steep, rocky slopes remaining in mining areas after the operation of open-pit mines. [Solution] Belonging to the field of slope or inclined land stabilization technology, the present invention provides a method and apparatus for ecological restoration and protection of steep slopes in open-pit mines. The method for ecological restoration and protection of steep slopes in open-pit mines includes a steep slope in an open-pit mine that includes multiple layers of stair units, with the stair units sequentially arranged vertically to include gentle slopes and steep slopes. The method includes direct regreening of the gentle slopes, spraying a base layer on the bottom layer, spraying a surface layer on the top layer, and sowing mixed seeds in the surface layer. The method includes solidifying and regreening of the steep slopes, evaluating the stability of the gentle slopes and steep slopes, protecting the steep slopes based on the evaluation results, and then regreening the steep slopes. Overall, by combining this method with the present apparatus, not only is the regreening efficiency increased, but the safety of the slope and the ecological restoration effect are also guaranteed.

The application discloses a kind of based on mechanical peeling cold storage germination polyphylla prataeshis greenhouse seedling technique, belong to the field of breeding technology.The application uses hexagonal drum screening machine to carry out mechanical peeling to polyphylla prataeshis seed, and stores kernel under the condition of artificial temperature control, humidity control, and the strength is easy to grasp, effectively slows down seed mildew phenomenon, and seed embryo is intact, the seedling method of the patent has the advantages that seed embryo disease infection rate is low (6% or less), seed dormancy time is short (5 months), seedling time is short, germination rate is high (98%), seed treatment capacity is large (one batch can handle 50 jin), operation difficulty is low, growth speed is fast, seedling quality is high, and it is favorable to improve the success rate of large-scale breeding of polyphylla prataeshis.

The invention discloses wide-proportion ecological nutrient soil based on geopolymer modified iron tailings and a preparation method of the wide-proportion ecological nutrient soil, relates to the technical field of waste resource utilization and ecological restoration, and aims to solve the technical problems of land occupation due to accumulation of the iron tailings, heavy metal pollution, structure hardening and low resource utilization rate. Iron tailings are used as a core raw material and matched with a geopolymer gel system to construct a stable framework and solidify heavy metal, organic nutrient components and a function regulator are compounded to optimize physicochemical properties and nutrient supply, and the ecological nutrient soil is prepared through the processes of raw material pretreatment, synergistic excitation, gradient maintenance and the like. According to the nutrient soil, large-scale flexible absorption (the proportion is 40-80%) of the iron tailings is achieved, meanwhile, the nutrient soil has a pore structure suitable for plant growth, the water and fertilizer retention capacity and the pH value (6.0-7.8) are achieved, the heavy metal leaching amount meets the Soil Environment Quality Agricultural Land Soil Pollution Risk Management and Control Standard, and the method is suitable for large-scale popularization and application. The multi-scene plant growth requirements of farmland improvement, landscaping, mine regreening, side slope ecological protection and the like can be met.

The invention relates to the technical field of soil improvement and ecological restoration, and discloses a liquorice planting method based on synergistic utilization of coal-based solid waste and desertified land, which comprises the following steps: crushing alkaline coal-based solid waste and acidic coal-based solid waste, mixing according to a mass ratio of 2: 8-4: 6, adding a modified humic acid-based heavy metal passivator and water, and uniformly mixing to obtain a mixture; uniformly mixing and aging to obtain a coal-based solid waste mixture; spreading the mixture on the surface layer of the desertification land, performing rotary tillage and deep tillage to mix the mixture with the sandy soil, and adjusting the pH value to be stable at 7.5-8.5; the treated liquorice seeds are sown, main roots are harvested in autumn of the third year, deep root systems and lateral root bud points are reserved, and overground straw is smashed and returned to the field; soil nutrition indexes are monitored regularly, other commercial crops are planted when the soil nutrition indexes reach a set threshold value, and if not, regeneration planting of the liquorice is maintained. Through synergistic compounding of acid-base solid waste and chelating of the passivating agent, substrate pH self-regulation and heavy metal resistance control are achieved, and the physicochemical property of sandy soil is improved.

The invention provides a foam matrix for planting dracaena sanderiana and a preparation method thereof.The foam matrix is prepared from, by weight, 3-5 parts of polyurethane A material, 1-2 parts of polyurethane B material, 0-10 parts of rural soil, 0-10 parts of coco coir, 0-10 parts of turfy soil and 5-6 parts of water.The foam matrix is prepared by compounding polyurethane foam with the rural soil, the coco coir, the turfy soil and the like; the foam substrate for planting the dracaena sanderiana is prepared. The foam substrate disclosed by the invention has good water absorption, water retention and air permeability, so that the growth environment of roots of crops is improved, the growth of seedlings is promoted, and a theoretical basis and a technical support are provided for substrate improvement and indoor planting of dracaena sanderiana seedlings.

The invention discloses copper tailings-based ecological soil and an adopted conjugate improvement method, the copper tailings-based ecological soil comprises lime modified copper tailings and a tailings modifier, and the tailings modifier comprises a soil structure building agent, clay and water; the soil structure building agent comprises a composite high polymer material, an organic fertilizer and an anti-reflection fertilizer-retaining mineral material; the composite high polymer material contains xanthan gum and polyacrylamide, and the organic fertilizer contains humic acid. According to the method, the copper tailings serve as matrix soil, a good ecological environment suitable for plant growth is built by conducting in-situ modification on the tailings, the problems that soil is difficult to take through a soil dressing method and the like are effectively solved, and the ecological management time cost and the economic cost are saved; besides, the improved copper tailings are expected to achieve effective consideration of the characteristics of water retention / water permeability, agglomeration / loosening, air permeability / fertilizer retention and the like, high-added-value resource utilization of the copper tailings is achieved, a large-area copper tailings covering area is improved to form a good carbon sink area, and important economic and environmental benefits are achieved.