135 results about "Green manure" patented technology

The invention relates to the technical field of soil improvement, and discloses a sandy grainfield soil organic matter quality improvement and increment method which comprises the following steps: comprehensively detecting soil, preparing an improvement material according to a comprehensive detection result, and deeply ploughing and returning the soil to the field; planting multifunctional intercrops, and crushing, turning and pressing the multifunctional intercrops into a soil layer to perform in-situ green manure returning from the full-bloom stage to the initial pod stage of the multifunctional intercrops; a polymeric organic-inorganic composite conditioner is applied; applying water, fertilizer and bacteria integrated regulation and control based on micro-spray irrigation; and high-stubble no-tillage straw covering and annual monitoring are implemented. According to the method, the organic matter, porosity and the like of the soil can be remarkably improved, and the ecological environment of the soil is remarkably improved.

The invention relates to the technical field of soil treatment, in particular to an integrated saline grainfield soil improvement and remediation method. According to the method, precise irrigation, concealed pipe drainage, salt-tolerant crop planting and bioremediation technologies are comprehensively applied, and systematic treatment of the salinized soil is achieved. Precise irrigation dynamically regulates and controls the leaching depth and frequency on the basis of real-time soil salinity and moisture data, the underground water level is intelligently controlled in combination with an underground pipe drainage network, salt accumulation is effectively reduced, and water resource waste is avoided; according to the salt-tolerant crop and green manure rotation mode, salt damage is reduced through plant salt absorption and root system nitrogen fixation, soil organic matter accumulation and microbial community reconstruction are promoted through application of a microbial agent and biochar, and a sustainable soil improvement mechanism is formed. The intelligent monitoring system integrates multiple types of sensors, collects key indexes such as salinity, nutrients and pH values in real time, predicts the salinization trend and regulates and controls irrigation, fertilization and drainage equipment in a linkage mode, full-process automatic management is achieved, and the management precision and efficiency are remarkably improved.

The invention relates to an intelligent soil regulation and control method based on soil data and image processing. The method comprises the following steps: acquiring and standardizing soil data; orchard global multispectral image acquisition: acquiring and preprocessing an orchard image, and acquiring an orchard global multispectral image; vegetation region identification and parameter calculation: calculating NDVI based on red light and near infrared bands, distinguishing green manure and fruit tree regions through a threshold segmentation method, and calculating green manure coverage, a green manure normalized vegetation index and a fruit tree canopy area; carrying out soil-vegetation data fusion and parameter extraction; distributing weights based on the three types of core parameters, calculating the application amount and type ratio of nitrogen, phosphorus and potassium fertilizers, and generating an initial regulation and control scheme; and repeating the steps every specified time period to realize dynamic iterative optimization of the scheme. Through deep fusion of soil data and an image processing technology, intelligent soil regulation and control are realized, regulation and control accuracy and timeliness are remarkably improved, and fertilizer waste and environmental risks are reduced.

The invention discloses application of leguminous green manure in preparation of a multifunctional soil conditioner for improving soil enzyme activity, relieving soil microbial metabolism limitation and / or enhancing a soil ecosystem. The leguminous green manure is small crown flowers. By means of the controllable decomposition characteristic and specific secretions, the activity of soil carbon (BG and CBH), nitrogen (NAG and LAP) and phosphorus (AKP) circulation key enzymes can be remarkably enhanced, the activity of the AKP is improved by 406%, the activity of the BG is improved by 158%, the microbial carbon limitation is effectively relieved by 12%, and the resource utilization strategy is optimized. The microcelosia cristata treatment can synchronously improve the soil ecological multi-functional index (EMF) and improve the nutrient circulation synergistic efficiency. Compared with the traditional leguminous green manure, the method has the advantages that the improvement effect of the microcelosia cristata in the degraded orchard is more continuous and ecologically adaptive, and an effective and feasible new soil remediation way is provided for agricultural sustainable development.

The invention relates to the technical field of agricultural resources and environment, and particularly discloses a rapid fertilization improvement method for newly-reclaimed red soil dry land. The method systematically integrates the core steps of soil diagnosis aluminum toxicity passivation, composite conditioner deacidification, two-stage deep ploughing, organic and inorganic biological synergistic fertilization, soil moisture content regulation and control, earth surface covering, green manure planting and returning to the field and the like. The applied composition comprises a soil composite conditioner, a charcoal-based organic fertilizer and a specific functional microbial agent, wherein the soil composite conditioner comprises modified oyster shell powder, a calcium magnesium phosphate fertilizer, humic acid, polyglutamic acid and the like. The method relates to key processes such as temperature programming calcination modification of raw materials, co-pyrolysis and composite granulation of the materials and the like. The method can synchronously and quickly improve the chemical and biological properties of soil and optimize the physical structure of a plough layer, and has the advantages of high improvement targeting, synergistic interaction of all steps, high fertilizing speed and lasting effect; in addition, the method has the advantages of being coherent in process, high in resource utilization efficiency and easy to implement on a large scale.

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 present application relates to the field of crop cultivation and soil improvement technology, and discloses a wheat-corn-sunflower-legume green manure crop rotation carbon fixation and water saving method suitable for arid irrigation areas, which comprises wheat planting, corn planting, sunflower planting and legume green manure planting. The present application replaces traditional flooding irrigation with high-frequency low-amount drip irrigation mode, combines with precise water supply according to the water requirement characteristics of each crop growth period, and avoids invalid irrigation. Meanwhile, through straw returning to field, soil water evaporation is reduced, and soil conservation capacity is improved. Moreover, the present application constructs a double carbon fixation path of straw returning to field and green manure turning, straw is crushed and returned to field, organic carbon is input into soil every year, legume green manure is turned and decomposed, and soil organic matter content is improved. The present application also reduces nitrogen fertilizer application through symbiotic nitrogen fixation of legume green manure and rhizobium, protects soil microbial activity, optimizes soil carbon cycle, relieves soil degradation, and improves long-term carbon fixation potential of soil.

The invention discloses a planting method for intercropping flue-cured tobacco and chive and application of the planting method in relieving root rot of a tobacco field. Belongs to the technical field of agricultural planting and comprises the steps of transplanting flue-cured tobaccos in mid-to-late April, transplanting chive seedlings to two sides of tobacco ridges within 7 days after tobacco plants are transplanted, regularly harvesting chives, harvesting tobacco leaves on the upper portions of the tobacco plants in September, pulling out tobacco stems in late October, and immediately preparing soil and sowing green manure; the green manure plants are ploughed in the soil to be decomposed, flue-cured tobacco is planted in April, and the steps are repeated in sequence. The method is easy to operate, the microenvironment of organic carbon, enzyme activity and microorganisms of rhizosphere soil of tobacco plants in the tobacco field can be improved, the multiple cropping index of the soil in the tobacco field is increased, meanwhile, soil-borne diseases caused by long-term single cropping of the flue-cured tobaccos in the tobacco field can be inhibited, and effective technical guarantee is provided for sustainable production of the flue-cured tobaccos.

The utility model relates to an orchard green manure cutting, turning and pressing machine, which belongs to the technical field of agricultural machinery and can be used for cutting, crushing, turning and pressing green manure crops intercropped in a standard short stock orchard into soil and compacting and leveling the ground. The machine mainly comprises a green manure cutting device, a green manure turning and pressing device, a rotary soil crusher, a compacting machine, a main rack and the like. The green manure cutting device mainly comprises a cutting and crushing blade, a circular fixed cutter head and a flexible grass trimming rope, and is used for impacting and cutting roots of green manure stalks and crushing branches; the green manure turning and pressing device mainly comprises a plough share, a turning and pressing plough wall and a plough column and is used for turning and pressing the cut stalks into the soil by a proper depth; the rotary soil crusher mainly comprises a soil crushing blade, a soil crushing blade fixing plate and a soil crushing transmission shaft and is used for crushing furrow ploughed by the plough share and refining soil blocks. The machine integrates the functions of stalk cutting, turning and pressing into soil and ground leveling, and has the characteristics of low winding blockage rate, high turning and pressing coverage rate and ground leveling.

The utility model provides a row-spacing-adjustable green manure relay intercropping sowing structure, and aims to solve the problems of fixed row spacing, inaccurate seed putting and mechanical damage to green plants in the prior art. The structure comprises a driving device, an adjusting structure is mechanically connected in the direction of a driving shaft of the driving device, the adjusting structure is composed of a pair of symmetrically-distributed threaded rods, an adjusting ring is arranged above the threaded rods in a sleeving mode, one side of the adjusting ring is connected with a discharging pipe, and the lower portion of a storage pipe is connected with a limiting plate through a limiting block. The two ends of the adjusting structure are fixedly connected with the connecting rods, one end is connected with the driving device, and the other end is inserted into the mechanical device shell. The ends, close to each other, of the threaded rods are provided with connecting flanges, the other ends of the threaded rods are fixedly connected with connecting rods, and threads are symmetrically distributed with the connecting flanges as the axial plane.

The invention relates to the technical field of soil improvement, in particular to a yellow soil improvement method based on green manure and charcoal. The yellow soil improvement method based on green manure and charcoal comprises the following steps: planting common vetch in yellow soil in the fourth quarter of the first year; in the second quarter of the next year, the grown vicia sativa seedlings and the charcoal are turned and pressed together, base fertilizer is applied, and preliminary improvement of the yellow soil is achieved; crops are planted into the yellow soil after preliminary improvement, first topdressing is applied after a first time interval to achieve secondary improvement of the yellow soil, second topdressing is applied after a second time interval to achieve tertiary improvement of the yellow soil, and nutrients, aggregate stability and enzyme activity of the yellow soil are obviously improved through the tertiary improvement. The problems that existing yellow soil is viscous and heavy in texture, poor in tilling performance, low in natural fertility, high in acidity and relatively low in water and fertilizer retention capacity, soil exchangeable salt bases are remarkably lacked, the salt base saturation degree is generally smaller than 20%, and the nitrogen leaching loss phenomenon of the yellow soil is serious are solved.

The application discloses a kind of efficient cultivation and intelligent control method for relieving continuous cropping obstacles of Lanzhou white lan guava, belong to agricultural planting technical field, the method includes: before planting, soil base improvement is carried out by being input mushroom residue organic conditioning agent and oil residue compound organic fertilizer, before planting, fertilization ditch is excavated, after being input biological base material coated slow-release fertilizer, it is covered with soil in ditch bottom, compound microbial inoculum carrier granule is input in middle upper part, and the root layer nutrient gradient structure of " bottom slow-release nutrient library-middle layer microbial activity layer-surface rhizosphere nutrient area" is constructed, when planting, it is supplemented with inoculum dip root treatment, and soil sensor and in-situ microbial activity monitoring chip are arranged in field, and soil moisture regime, nutrient and microbial activity data are collected in real time, when microbial activity is lower than threshold value, automatically supplement nutrient solution, and intelligent decision system generates fertilization instruction;Fruit swelling stage is divided into stages and precision topdressing is carried out;After harvesting, melon seedling is returned to field and green manure is planted.

The application discloses a kind of green manure crop antifreeze liquid production method, belong to agricultural technology field.The green manure crop antifreeze liquid of the application, component includes volume ratio 5:20 of propionylepidate and emulsion.The green manure crop antifreeze liquid of the application can quickly and simply prevent green manure crop frost damage, can be applied to green manure crop before temperature drops rapidly, play the effect of cold resistance and frost resistance, ensure that green manure is returned to field fresh grass yield reaches 1500 kilograms above in next year, increase soil organic matter, cultivate fertility, reach the effect of reducing main crop chemical fertilizer application.

The application provides a green manure plant crushing and rolling integration device, and relates to the technical field of agricultural equipment. The device comprises a mountain-shaped frame, two symmetrical rotatingly installed retaining rings in the two positioning rings, and a rotating shaft pipe fixedly penetrated in the central position between the two retaining rings. Three long strip opening plates are slidably installed around the rotating shaft pipe and the two retaining rings, and a long strip cutter is installed on the outer middle position of the long strip opening plate. When the green manure plants wound on the rotating shaft pipe are cut and cleaned, the three long strip opening plates and the three long strip cutters are used for synchronously sliding and cutting the green manure plants wound on the rotating shaft pipe. A relay driving mechanism for driving the synchronous driving shaft to reciprocally slide in the rotating shaft pipe is arranged between the first end of the synchronous driving shaft and the relay gear, and the relay gear is used for rotatingly driving the synchronous driving shaft. The application has the sliding sawing function and does not need to additionally increase the operation steps of the sliding sawing function, and has good practicability.

The utility model discloses a water and nitrogen absorption root system culture observation device for a leguminous green manure intercropping field. The water and nitrogen absorption root system culture observation device comprises an outer frame, an observation tank, a supporting frame and a climbing rod. The outer frame is of a cuboid structure, a plurality of containing grooves are formed in the outer frame and used for containing observation tanks, and labels are arranged on the front portions of the containing grooves. The observation tank is a transparent cylindrical tank with an open top and a closed bottom, and the outer wall of the observation tank is attached to the inner wall of the containing groove. The supporting frame is located in the observation tank and comprises a vertically-arranged supporting rod and a fixing ring. The climbing rods are rotatably arranged in the supporting frame, and threaded grooves with different curvatures are formed in the surfaces of rod bodies. Root growth is directly observed through the transparent observation tank, the device does not need to be opened, the natural growth environment of the root is prevented from being disturbed, and observation accuracy is improved. The threaded groove of the climbing rod guides the root system to grow orderly, so that the root system is uniformly distributed, the root systems at different positions are conveniently and comprehensively observed, and the growth condition of the root system is accurately evaluated.

The invention discloses a soil conditioner for improving saline-alkali soil and a preparation method of the soil conditioner, and belongs to the technical field of saline-alkali soil improvement. Firstly, natural bentonite is modified, and bentonite is subjected to calcification modification to obtain calcium bentonite; then dipping the calcium bentonite in a ferric salt solution for salt modification to obtain salt modified calcium bentonite; dispersing the salt modified calcium bentonite in deionized water to form a suspension, slowly adding a humic acid solution into the suspension, reacting under stirring and heating conditions, and standing and aging to obtain modified bentonite; wherein the concentration of iron ions in the ferric salt solution is 0.1 to 0.2 M, and the dipping time is 40 to 60 minutes; then the modified bentonite and the complex microbial inoculant are compounded and jointly used as the soil improvement agent, through the synergistic effect of the modified bentonite, the leguminous green manure and the complex microbial inoculant, a chemical modification and biological modification coupling mechanism is formed, and the improvement effect on moderate saline-alkali soil in arid regions is especially remarkable.

The application discloses an application method of leguminous green manure combined with growth-promoting bacteria for emission reduction and efficiency increase, and relates to the technical field of crop planting. The method comprises the following steps: sowing black bean seeds in soil inoculated with bacillus velezensis, and culturing black bean plants to the full flowering stage, and then crushing and turning over the black bean plants as green manure. A special bacillus velezensis is separated, which has the effects of bacteriostasis, nitrogen fixation, phosphorus dissolution, potassium solution, biofilm formation and auxin production, and has excellent biological characteristics such as stress resistance, rapid growth and easy separation, and the advantages of easy cultivation, safety, harmlessness and no pollution. Meanwhile, the bacillus velezensis can ferment to produce rich metabolic products, has good antibacterial activity and stress resistance. The bacillus velezensis is particularly suitable for being combined with black beans for green manure cultivation, and can maximize the effects of soil fertilization and gas emission reduction of green manure.

The application belongs to the technical field of fallen leaf recycling device, and particularly relates to an environment-friendly garden fallen leaf recycling and processing device, which comprises an automatic leaf suction vehicle, wherein the automatic leaf suction vehicle comprises a vehicle body, a leaf suction body and a recycling bin which are installed on the vehicle body; a moving wheel is arranged on the vehicle body; an intelligent control system is arranged in the leaf suction body and used for controlling the operation of each component of the device; driving equipment connected with the cleaning roller at the opening part of the suction nozzle is started to drive the cleaning roller to rotate, the rotating cleaning roller drives the cleaning strips arranged uniformly on the surface to rotate, the end of the cleaning strip is in contact with the fallen leaves on the road surface, and the cleaning strips play a role of sweeping the fallen leaves, so that the fallen leaves are sucked into the suction nozzle under the action of the air suction generated at the opening of the suction nozzle, the fallen leaves on the road surface are cleaned more completely, the fallen leaves are prepared into green manure, the resource utilization efficiency is improved, the carbon emission caused by random burning treatment is reduced, and the development direction of urban environmental protection is more in line with.

The utility model relates to a kind of green manure rolling device for promoting soil organic matter, especially in the technical field of soil rolling equipment.It includes moving box, slide bar, sliding block, aggregate box, turning blade, pivot, driving cylinder, fertilizer box, green manure discharging mechanism.The current rolling device does not have the function of adding other fertilizers, and the current rolling device cannot adjust the rolling height by actual plowing depth during rolling, causing inconvenience.

The invention provides a sowing method for wheat-sesbania in a dry farming saline-alkaline double cropping area, and belongs to the technical field of agricultural sowing, and the sowing method comprises the following steps: S1, early-stage preparation; s2, shallow spinning and leveling; s3, sowing execution; s4, soil treatment; and S5, equipment resetting. The invention provides a wheat-sesbania seeding method for a dry farming saline-alkaline double cropping area. Through collaborative design of crop adaptation, soil improvement and equipment optimization, a multiple guarantee mechanism for yield stability is constructed. The yield reduction risk of unreasonable group structure of wheat is reduced through close planting optimization, biomass accumulation is improved through wide-distance planting of sesbania, and a green manure cycle of land use and land cultivation is formed; the rainwater collection ditch has the water collection and soil moisture conservation functions to buffer the influence of uneven rainfall and reduce the fluctuation impact of drought and flood on the yield. The method pertinently solves the core problems of insufficient adaptability, saline-alkali drought stress, low emergence rate and the like of the same seeder, and realizes double improvement of the emergence rate and the yield stability of the double-cropping product in the dry-farming saline-alkali area.

The application relates to the technical field of bio-organic fertilizer, and discloses a green manure preparation method for resource utilization of garden greening pruning residual branches, which comprises the following steps: collecting herbaceous and woody mixed residual branches generated by pruning common greening plants in a garden and carrying out raw material pretreatment; according to seasonal temperature differences, adopting a zoned temperature control fermentation strategy, in the low-temperature season, the fermentation temperature is maintained through active heating and heat preservation, in the normal-temperature and high-temperature seasons, the temperature is adjusted through turning over and covering, so that the fermentation process is completed within one month; during the fermentation process, specific auxiliary materials are added, and the water content and the carbon-nitrogen ratio are regulated, so that rapid composting is promoted and the generation of peculiar smell is inhibited; finally, short-term aging is carried out to obtain the finished product. The application guarantees that the obtained green manure meets the requirements of stable composting and harmlessness.

The invention relates to an income-increasing type ecological cycle planting method based on the surface of a peach orchard and application thereof.The income-increasing type ecological cycle planting method comprises the steps that 1, green manure crops are planted, turned and pressed, specifically, the green manure crops are sown between rows and under forests of the peach orchard in autumn of the previous year, and green manure crop plants are turned and pressed into soil and thoroughly decomposed after being harvested in spring of the next year; taking as green manure for the peach orchard; (2) land surface covering and under-forest mushroom cultivation: after green manure is turned, pressed and decomposed, agricultural waste biomass is laid between rows of the peach orchard and under the forest to form a land surface covering layer, edible mushrooms are sown on the covering layer, and harvesting is performed after spawn running and fruiting management; and (3) returning mushroom residues and rice husks to the field: after harvesting edible mushrooms, enriching the mushroom residues and agricultural waste biomass, mixing with an organic fertilizer, and turning and pressing into soil to serve as a peach orchard base fertilizer. By combining double land cover management of green manure crops and agricultural waste biomass, efficient utilization of resources, improvement of ecological environment and improvement of planting benefits are realized.

The present application relates to the field of agricultural soil improvement and orchard fertilization technology, and discloses a kind of southern red soil area orchard annual green manure covering and carbon-increasing quality improving method, including that mature livestock and poultry manure is mixed with industrial grade calcium-magnesium phosphate fertilizer and applied to surface soil before green manure sowing;Sowing Indian cowpea in spring, mixed sowing Chinese milk vetch and field radish in autumn;Green manure of leguminous plants is mowed in situ when it is in full bloom to initial pod stage to make it flat;Uniformly spray directional wood-decay fungi complex liquid to the surface of green manure;Use pyroligneous acid to wet crushed dry crop straw, cover micro-acid straw on the surface of green manure;Mechanically subsoil in the following autumn, and inject PAM composite biomass charcoal suspension into the bottom of subsoiling groove simultaneously.The present application neutralizes and intercepts ammonia gas released by green manure to block nitrogen volatilization by using micro-acid straw, accelerates the degradation of macromolecular lignocellulose by using wood-decay fungi, and constructs deep stable carbon sink by combining with deep injection of porous carbon suspension, thereby effectively improving the overall carbon pool capacity of red soil profile.

The invention discloses a black soil area high-standard farmland intelligent ecological improvement and surface soil in-situ protection method, and belongs to the technical field of agricultural engineering, and the method comprises the steps: measuring a to-be-remedied farmland to generate a high-precision digital elevation model and a three-dimensional earthwork volume model, and carrying out surface cleaning treatment; the method comprises the following steps: carrying out strip stripping-trapezoidal section film mulching and stockpiling treatment on surface soil of a farmland plough layer, leveling a lower base layer, backfilling outwards transported foreign soil to a low-lying area, carrying out layered compaction, carrying out detection in a farmland to generate a digital soil improvement prescription map, carrying out foreign soil backfilling, controlling an intelligent fertilizer spreader to spread fertilizer in a variable manner, and covering and filling outwards transported planting soil. A double-layer plough layer structure is formed, rotary tillage and ridging operation are carried out, green manure crops are sown, saline-alkaline tolerant microbial agents are inoculated, and a concealed pipe salt elimination system is arranged below farmland ridges; according to the intelligent ecological improvement and surface soil in-situ protection method for the high-standard farmland in the black soil area, a reliable technical example is provided for construction of the high-standard farmland in the black soil area.

The invention relates to the technical field of fertilizers, in particular to an organic green manure and a preparation method and application thereof, and the preparation method comprises the following steps: mixing one or more of cow dung, sheep manure and chicken manure to obtain mixed manure; the carbon nitrogen ratio of the mixed excrement is adjusted to be 25: 1-30: 1; adding a liquid microbial compound strain into the mixed excrement with the adjusted carbon nitrogen ratio; stacking the mixed excrement added with the liquid microbial compound strain into a strip stack with the width of 2-3 m and the height of 1.5-2 m, and carrying out stack retting; the stack retting temperature is 55-70 DEG C; turning the stack once every 5-7 days, and carrying out stack retting for 15-30 days to obtain the organic green manure. The organic green manure provided by the invention can shorten the rapid decomposition period of organic matters in soil; transportation and storage cost is reduced, and transportation and storage are facilitated; the fertilizer has high decomposition degree and stable nutrients, can replace part of chemical fertilizers, reduces the field fertilization frequency, improves the soil structure for a long time and increases the crop yield.

The application provides a planting method of annual intercropping green manure suitable for orchards in plateau areas. The method mainly uses tartary buckwheat and light-leafed purple vetch as green manure plants, and clearly defines multiple key steps such as plot selection, pre-sowing land preparation, variety selection, seed treatment, green manure sowing, plant management and mowing and covering. The method can improve the utilization rate of nutrients in the soil, increase the content of soil organic matter, improve the soil quality, effectively inhibit the growth of weeds in the rows and on the ridges of organic apple orchards, reduce the cost of weeding, solve the high labor cost of organic apple orchards in Yunnan plateau mountainous areas caused by long-term clean tillage and weeding, and effectively alleviate the over-reliance on organic fertilizer. It is an annual intercropping mode for comprehensively improving the ecological and economic benefits of orchards.

The application provides a kind of annual green manure interplanting method for tea garden soil improvement and fertilization, by interplanting summer green manure dichondra and winter green manure white clover in tea rows, combined with seamless interplanting and timely plowing technology, significantly improve the soil improvement effect and ecological regulation effect and the yield and quality of tea, through the synergy of two specific green manure variety combination, space-time configuration optimization and plowing management and other key links, not only fundamentally curb soil erosion, improve soil, fertilize soil fertility, reverse the trend of soil degradation, but also provide a stable habitat and food chain foundation for soil microorganisms, arthropods and other organisms, improve the biodiversity of tea garden, enhance the resistance to drought, cold and other adversity, promote the tea garden from a "soil consumption system" that relies on external input to a "fertile land and land system" that can self-nourish and recycle, which is of great significance to promote tea garden soil health management and promote green development of tea industry.

The invention belongs to the technical field of environmental restoration, and particularly relates to cyclodextrin cross-linked supramolecular hydrogel as well as a preparation method and application thereof. A construction unit of the supramolecular hydrogel comprises double-bond modified beta-cyclodextrin and acrylic acid interacting with the double-bond modified beta-cyclodextrin through a covalent bond; plant hormones are included in a cavity of the double-bond modified beta-cyclodextrin. The supramolecular hydrogel adhesive tape is provided with charges and cavities, can include plant hormones, and can be used together with soil improvement plants such as green manure to enhance the saline-alkali soil improvement effect by regulating and controlling the salinity of plant rhizosphere soil, improving the emergence rate, promoting plant growth and improving the environmental stress resistance of the plants. Cavities of the double-bond modified beta-cyclodextrin can effectively include plant hormones, and the supramolecular hydrogel is formed through covalent interaction between the acrylic acid and the double-bond modified beta-cyclodextrin. Based on multi-covalent and non-covalent interaction, the supramolecular hydrogel has the advantage of controllably releasing plant hormones, and realizes sustainable environmental remediation by cooperating with plant remediation.

The utility model relates to a green manure returning device with a fertilizing function, which comprises a rack, supports are detachably connected to the front end and the rear end of the rack, a roller cutter and a rotary blade are respectively arranged in the two supports, a fertilizing mechanism is arranged on the rack, the fertilizing mechanism comprises a mounting plate and a liquid storage tank for storing fertilizer, and the liquid storage tank is provided with a rotary blade. The mounting plate and the liquid storage tank are mounted at the bottom end and the top end of the rack respectively, the bottom end of the mounting plate is connected with a plurality of nozzles communicated with the interior of the liquid storage tank, baffles are arranged on the front sides and the rear sides of the nozzles, and the baffles are detachably connected with the mounting plate. The problems that in the prior art, green manure is single in fertility and low in self-decomposition speed, and consequently the fertile degree of field soil is low are solved.