315 results about "Green manure" patented technology

The invention relates to the field of agricultural soil improvement and ecological fertilization, and discloses an ecological fertilization method for improving the organic matter content of soil in a dry-hot valley region, and the method comprises the following steps: soil matrix improvement: improving the porosity and water binding capacity of the soil by adding charcoal and humic acid particles; the functional microbial preparation is put, and the activity of soil microorganisms is activated through the combined effect of cellulose decomposition bacteria, stabilization promoting flora and water retention flora; green manure crop planting and covering management: planting sweet clover and other leguminous crops to provide a carbon source and a nitrogen source for soil, and meanwhile, utilizing straw covering to inhibit water evaporation; turning over and stabilizing the green manure crops, namely turning over and stabilizing the organic matters in a blooming period of the green manure crops and combining with a stabilization promoting bacterial liquid and an adsorptive carrier; dynamic balance is maintained, and dynamic balance of decomposition, conversion and accumulation of organic matter is achieved step by step through multi-cycle planting and turning and pressing. The organic matter content and fertility of the soil can be improved, and the water-retaining property and microbial ecosystem of the soil are improved.

The invention relates to the field of agricultural instruments, in particular to a summer green manure planting method and device for reducing nitrogenous fertilizer application of winter wheat in Shajiang black soil, which comprises a rotary tillage frame, a rotary tillage roller is rotatably connected between the lower ends of two vertical sections of the rotary tillage frame, the rotary tillage roller is fixedly connected with a rotary tillage gear, and the middle of the rotary tillage roller is hollow. A turning frame roller is fixedly erected in the middle of the rotary tillage roller, the rotary tillage roller and the turning frame roller are provided with a plurality of sets of rotary tillage turning devices in the axial direction, a plurality of rotary tillage tool bits distributed in the circumferential direction of the rotary tillage roller are installed on the rotary tillage turning devices, and a pulling mechanism for pulling the rotary tillage turning devices is arranged in the middle of the rotary tillage roller. According to the shajiang black soil rotary tillage device, the depth of the rotary tillage blade screwed into the shajiang black soil during ploughing can be adjusted, meanwhile, the angle of the rotary tillage blade during ploughing can be adjusted, the shajiang black soil is smashed more comprehensively, and therefore application of winter wheat nitrogen fertilizer in the shajiang black soil is reduced, and meanwhile summer green manure and the shajiang black soil can be mixed more evenly.

The invention discloses a citrus orchard interplanting pest and disease prevention and control method, which comprises the following steps: installing a drip irrigation facility in a citrus orchard, and uniformly distributing drippers of the drip irrigation facility between each citrus tree and green manure planting rows; soil humidity sensors are buried in multiple positions of the citrus orchard to monitor soil humidity data in real time through the soil humidity sensors; and determining whether to start the drip irrigation facility based on the soil humidity data acquired by the plurality of soil humidity sensors and the position relationship among the plurality of soil humidity sensors. Therefore, whether the irrigation facility is started or not can be automatically decided by monitoring the soil humidity of different positions in the citrus garden in real time, and the intelligent control mode is beneficial to timely discovering and processing the soil water shortage condition; the problems that in a traditional mode, whether irrigation is carried out or not cannot be judged according to the actual humidity condition of soil, and irrigation hysteresis exists are solved, and then a basis is provided for citrus orchard interplanting pest and disease prevention and control management.

The remediation method for the moderately and severely cadmium-polluted rice field aims at strictly controlled cadmium-polluted rice fields, and is divided into two stages of strict control and safe utilization for remediation. In the strict management and control stage, an activating agent is applied to the soil in spring, then microalgae are inoculated, cadmium-enriched plants are planted, the plants are collected after being full of the microalgae, the plants are harvested when the plants grow to the enrichment extreme value, stubbles are reserved for growth, and the steps are repeated till winter; applying an activating agent in winter, planting green manure, and harvesting in spring in the next year; the process is cyclically carried out until the cadmium content of the soil is reduced to a safe utilization level. Entering a safe utilization stage, applying an activating agent in spring, inoculating nitrogen-fixing cyanobacteria, collecting the cyanobacteria after the cyanobacteria overgrow, and repeating the steps until the rice seedlings are transplanted; applying nitrogen-fixing blue-green algae, and planting rice; applying an activating agent after rice harvesting, planting winter green manure, and harvesting in next spring; the process is cyclically carried out until the cadmium content of the soil is reduced to a preferential protection level. The method is low in cost, high in remediation efficiency and good in effect, and a new way is provided for cadmium-polluted rice field remediation.

The invention provides an annual intercropping green manure planting method suitable for orchards in plateau areas. According to the method, tartary buckwheat and vicia villosa are mainly adopted as green manure plants, and a plurality of key steps of land parcel selection, soil preparation before sowing, variety selection, seed treatment, green manure sowing, plant management, cutting and covering and the like are clearly stipulated. The method can improve the utilization rate of nutrients in the soil, increase the content of organic matters in the soil, improve the soil quality, effectively inhibit growth of weeds between rows and on ridges of the organic apple orchard, reduce the weeding cost, and solve the problem of high labor cost caused by long-term ploughing and weeding of the organic apple orchard in the plateau mountain area of Yunnan province. Excessive dependence on organic fertilizer is effectively relieved, and the method is an annual intercropping mode for comprehensively improving ecological benefits and economic benefits of the orchard.

The invention relates to the technical field of agricultural engineering, in particular to a reclamation land soilless culture and green manure intercropping culture system which comprises a reclamation land matrix preparation module, a soilless culture module, a green manure planting module and a microorganism bionic regulation and control module. The reclamation land matrix preparation module is used for preparing a matrix for soilless culture of a reclamation land; the soilless culture module comprises a culture bed, a nutrient solution supply unit and an environment control unit; the green manure planting module is provided with a special area for planting green manure crops, and the improvement of a soil structure and the optimization of nutrient circulation are realized by alternately or simultaneously planting the green manure and the crops; and the microbial bionic regulation and control module monitors and regulates and controls a microbial community structure in the matrix of the reclamation land in real time. According to the invention, not only are the ecological balance and stability of microbial communities improved, but also the nutrient absorption and disease resistance of crops are enhanced, and the growth conditions and yield of the crops are optimized.

The invention discloses a method for improving an acidic clayey soil plough layer, which comprises the following steps of: 1, after autumn rice is harvested, draining water in a rice field, and carrying out conventional tillage, soil turning and leveling on the rice field for later use; 2, green manure planting is conducted in the suitable green manure sowing period from October to November; 3, in the full-bloom stage, green manure is smashed, turned, pressed and returned to the field, lime and organic fertilizer are spread, the rice field is deeply ploughed at a time, and the green manure, the lime and the organic fertilizer are deeply buried in soil of the rice field; 4, the rice field is irrigated and soaked in water for a period of time, and then rice is planted. The method can inhibit and stabilize acid, improve the buffer performance of the soil, effectively expand a deep ploughing layer, improve the physical structure of the soil and improve the utilization rate of rainfall resources by the soil, so that the purposes of minimal ploughing, high yield and farmland protection are achieved.

The invention relates to the technical field of seeding and fertilizing equipment, and particularly discloses a row-spacing-adjustable green manure seeding and ditching device, which comprises a fixedly arranged mounting seat, and further comprises a row spacing limiting groove, a row spacing adjusting device, a row spacing adjusting device and a row spacing adjusting device, the seed fertilizer bin is internally provided with accommodating spaces for at least fertilizer and at least two seeds; a plurality of outer sleeves are arranged in the mounting seat in a manner of rotating along the axes of the outer sleeves and moving along the line spacing adjusting direction, and plough shovels are arranged at the bottom ends of the outer sleeves; the spacing control plate can be arranged on the mounting seat in a sliding manner along the moving direction of the ditching device through the linear sliding rail; the variable-pitch sliding block is fixedly arranged at the top end of the outer sleeve; and the spacing adjustment driving mechanism is connected to the spacing control plate. The invention mainly aims to provide a novel ditching device capable of realizing non-stop variable-pitch adjustment under the condition that a plough blade is not separated from soil.

The present disclosure discloses a method of determining efficiency of increasing a soil carbon sink based on green manure returning to fields and a system thereof. The method includes: determining green manure biomass of a target farmland based on an unmanned aerial vehicle lidar technology during a fallow period of the target farmland before green manure is turned over; calculating carbon biomass of the target farmland based on the green manure biomass; calculating microbial soil carbon pump efficiency and mineral carbon pump efficiency after the green manure of the target farmland is turned over; and determining a soil carbon sink effect of turning over green manure on the target farmland according to the carbon biomass, the microbial soil carbon pump efficiency and the mineral carbon pump efficiency. The present disclosure realizes the quantitative calculation of efficiency of increasing the soil carbon sink of green manure.

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 discloses a regulation and control method for recarburization and nitrogen fixation of newly-reclaimed desertification saline-alkali soil, which is characterized in that the soil microenvironment is improved by combined application of bio-organic fertilizer / charcoal and attapulgite fertilizer, and nitrogen fixation of soil in a growth period and improvement of a soil structure are realized by mixed sowing of gramineous green manure crops and leguminous green manure crops. And after the growth period ends, returning the green manure to the field to realize soil recarburization. According to the recarburization and nitrogen fixation regulation and control method for the newly-reclaimed desertification saline-alkali wasteland, the soil nutrient and carbon reserve can be remarkably improved, and compared with other green manure crops or combinations, the total nitrogen and organic carbon of the soil are remarkably improved after the method is implemented. Therefore, the method has important significance on recarburization, nitrogen fixation and fertilization regulation and control of newly-reclaimed desertification saline-alkali soil, and can provide a development idea for efficient development and utilization of saline-alkali sand and guarantee of agricultural production safety.

The invention relates to the technical field of agricultural planting, in particular to a Northeast black soil acidification improvement method, which realizes efficient and lasting soil remediation through the synergistic effect of humic acid-calcium complex targeted application, microbial agent activation and green manure planting. According to the technical scheme, the method comprises the steps that soil is partitioned, a first acidification area and a second acidification area are divided according to pH values, humic acid-calcium complexes are applied in a differentiated mode, and pH responsiveness is used for releasing # imgabs 0 # for neutralizing # imgabs 1 # and passivating # imgabs 2 #. The fungus fungicide is applied in furrows, and # imgabs3 is transported to a root system through a hypha network, so that the calcium utilization rate is increased. Soybeans are sown, citric acid is sprayed, mineral calcium is activated through root exudates, and organic matter input is increased. The humic acid-calcium complex is preferentially precipitated in the acidification area. Hypha-root systems cooperatively construct an anti-acidification micro-ecology, so that the yield of crops is increased. The method is suitable for rapid restoration and sustainable management of the severely acidified soil in the northeast black soil area.

The invention relates to the technical field of green manure crop planting. The invention provides application of combination of ground phosphate rock and phosphate solubilizing bacteria in yield increase of green manure crops. The invention further provides a planting method for increasing the yield of the astragalus sinicus. In the planting process of the astragalus sinicus, the phosphate rock powder and the phosphate solubilizing bacteria are jointly used according to the dosage ratio of (1200-2250) kg: (90-6000) mL. The powdered rock phosphate and the phosphate solubilizing bacteria are jointly used for planting the astragalus sinicus, the fresh grass amount of the astragalus sinicus can be further increased, and the method has important scientific significance for improving the utilization efficiency of phosphorus resources.

The invention discloses a planting method for overcoming continuous cropping obstacles of silage corn, which solves the problems of soil degradation and diseases and insect pests caused by continuous cropping by integrating soil physical remediation, chemical remediation, biological remediation, microbial community regulation and ecological intercropping technologies. The core technology content comprises the steps that deep ploughing is combined with organic matter and a biochar modifier to repair the soil structure, a compound microbial agent is sprayed to inhibit pathogenic bacteria, leguminous green manure and commercial crop rape are used for improving nitrogen circulation and reducing the autotoxicity effect every two years, and a precise fertilization management technology is matched. After the scheme is implemented, the soil health condition is remarkably improved, the silage corn yield is remarkably increased, and good ecological and economic benefits are achieved.

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 provides a cultivated land conservation method for wheat straw ridge covering and no-tillage ditch sowing of green manure, and particularly belongs to the technical field of cultivated land conservation. The cultivated land conservation method comprises the following steps that wheat is harvested, wheat straw is totally returned to the field, and stubbles of 20-25 cm are reserved; after wheat is harvested, leguminous green manure is sown in a no-tillage mode; no chemical fertilizer is applied in the green manure growth process, and irrigation is conducted in furrows in the seedling stage or the squaring stage; the green manure naturally dies and covers the earth surface, and no-tillage wheat sowing is carried out in the wheat sowing season; and repeating the steps to carry out the next round of planting. The cultivated land conservation method is remarkable in water-saving effect, has nitrogen-saving and carbon-sequestration effects, can increase the biomass of green manure and increase the yield of wheat, has small influence on the environment, and can realize cultivated land conservation.

The invention discloses a rice field fertilizer-saving, loss-reducing and high-yield method, and belongs to the technical field of agricultural soil fertilizer.The rice field fertilizer-saving, loss-reducing and high-yield method includes the steps that before rice is harvested or after harvesting, field surface water is emptied, green manure is planted according to soil properties of different field parcels, and rice straw and the green manure are turned, pressed and returned to the field cooperatively; a base fertilizer and a soil conditioner are applied before rice seedlings are transplanted, and a tillering fertilizer is applied in the tillering stage of rice. According to the method, organic materials such as green manure and straw are combined to be returned to the field and the fertilizer special for rice is applied, a green manure-soil conditioner-formula fertilization mode is established, the rice yield is remarkably increased, and nitrogen loss, phosphorus loss and methane emission are reduced.

The invention relates to the technical field of flue-cured tobacco planting, in particular to a flue-cured tobacco-rice-green manure rotation planting method and a transplanting device thereof.The planting method specifically comprises the following steps that sowing and seedling raising are conducted on flue-cured tobacco, and after seedling raising is completed, the transplanting device is used for transplanting and planting flue-cured tobacco seedlings on a ridged field; harvesting tobacco leaves after the flue-cured tobacco is mature; secondly, planting late rice after the tobacco leaves are harvested, and sowing astragalus sinicus 20-25 days before the late rice is harvested; and then turning, pressing and returning to the field after the milk vetch blooms in the middle ten days of April in the next year, and planting first-season rice. By introducing the astragalus sinicus, the content of organic matter in plough layer soil is increased, combination of use and cultivation of cultivated land and improvement and fertilization are achieved, the fertility of tobacco field soil is improved, and four-planting four-harvesting in two years is achieved by circularly planting the flue-cured tobacco, the late rice, the astragalus sinicus and the ratooning rice.

The invention relates to the technical field of rice planting. The invention provides an application of combined use of green manure crops and ground phosphate rock in increasing rice yield and / or reducing phosphorus loss of a paddy field. The mass ratio of the fresh grass amount of the green manure crops to the ground phosphate rock is (2000-3000): (120-225). The invention further provides a method for increasing the yield of the double cropping rice by jointly utilizing the green manure crops and the ground phosphate rock, the yield of the double cropping rice can be obviously increased by adopting the scheme, and the phosphorus runoff loss of the rice field can be effectively reduced on the premise of ensuring the high yield of the double cropping rice.

The invention provides a combined nitrogen and phosphorus loss prevention and control method for corn-winter green manure rotation planting. Comprising the following steps: step 1, preparing soil in mid-to-late September, sowing winter green manure crops in drill, and applying a yeast substrate along with the seeds; step 2, crushing the upper part of the green manure ground in April of the next year, scattering the treated sesbania straw, and turning and pressing by a rotary cultivator; step 3, sowing the corn, and applying a nitrification inhibitor along with the seeds; step 4, applying slow-release urea while intertilling the corn in a large horn mouth period of the corn; and 5, repeating the operations from the step 1 to the step 4 every year. According to the invention, the fertilizer is saved by more than 50%, the nutrient volatilization and leaching loss is reduced by 50-85%, the fertilizer utilization rate is improved by more than 30%, the cost is saved by 100-200 yuan per mu, the soil fertility is obviously improved, the soil nitrogen and phosphorus accumulation is obviously reduced, the non-point source pollution risk is obviously reduced, the biological coverage in winter and spring is obviously increased, and the beautiful tourism scene is provided.

The invention discloses a weed-inhibiting green manure seed bag and application thereof, and relates to the technical field of agricultural planting, the weed-inhibiting green manure seed bag comprises S001 hybrid wild soybean for both grass and seeds and Ninong S002 feeding soybean, and the mass ratio of the Ninong S002 feeding soybean to the S001 hybrid wild soybean for both grass and seeds is (6.5-7.5): (2.5-3.5); the registration number of the variety of the S001 hybrid wild soybean for both grass and solid is N021, and the registration number of the variety of the Ninong S002 feed soybean is N071; the green manure seed bags are matched with crops for sowing to help the crops to inhibit weeds; compared with a traditional chemical weeding method, the method has the advantages that the use of chemical herbicides is avoided, so that the risks of soil pollution and ecological balance damage are reduced.

The invention discloses a green planting method for preventing and controlling root diseases of polygonatum sibiricum. The green planting method comprises the following steps: S1, mixing green manure and wheat straws, and returning the mixture to a field to serve as base fertilizer; s2, roots and stems of the selected healthy polygonatum kingianum planting seedlings are treated with plant ash; s3, ridging and transplanting polygonatum kingianum planting seedlings; s3, the soil moisture surface is covered with humus soil with the thickness of 5 cm to 7 cm; s4, the humus soil is covered with pine needles, and the total moisture height is controlled to be 28 cm to 32 cm after the humus soil is covered with the pine needles. Starting from the cultivation method, the root growth microenvironment is changed, the health of a root growth area is promoted, coordination of light, warm water, gas and heat is increased, the root disease occurrence condition is cut off from the source, the plant resistance is improved, and the aim of preventing the root diseases of rhizoma polygonati is achieved. According to the method, the application of pesticides is reduced, the risk of pesticide residues is reduced, uncertain factors influencing the drug properties are eradicated, the environmental bearing capacity pressure is relieved, and the method is a healthy, sustainable and green production mode.

The invention provides a density-increasing and nitrogen-reducing efficient planting method for intercropping corn with leguminous green manure, and the method specifically comprises the following steps: 1, mixing corn seeds with a seed accelerating agent, and soaking; mixing and stirring the leguminous green manure plant seeds and the coating agent; step 2, optimizing wide and narrow row spacing, sowing corn seeds, and sowing leguminous green manure plant seeds in a peak shifting manner; 3, base fertilizer is applied along with ploughing, and additional fertilizer, nitrogen fertilizer and leaf fertilizer are applied in the corn growing period; 4, water quantity management in the corn growing period; 5, leguminous green manure plants are cut, turned and pressed, and a decomposition agent is applied; the problems of low planting density, high nitrogen fertilizer dependence, insufficient green manure utilization rate and the like in the existing corn intercropping leguminous green manure technology are solved by optimizing wide and narrow rows, enhancing the nitrogen fixation capability of the green manure, efficiently turning and pressing the green manure and the like.

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 belongs to the technical field of machine vision measurement, and particularly relates to a semantic segmentation-based orchard green manure coverage machine vision measurement method, which comprises the following steps of: creating a multi-target optimization model and planning an image acquisition path based on a satellite map to obtain an optimal image acquisition path; carrying out orchard image collection based on the optimal image collection path, and carrying out small-amount labeling on the orchard images to construct a training set; creating a semantic segmentation model, carrying out initial training through the training set, then predicting unlabeled images, screening to-be-labeled images, and carrying out labeling and iterative training; the model outputs the probability that each pixel belongs to green manure or non-green manure; marking a green manure area and a fruit tree area in the orchard image through a two-layer image binarization process; and obtaining orchard green manure coverage data and fruit tree data based on a marking result, and formulating and executing a green manure supplementing scheme. The green manure coverage measurement efficiency and the result accuracy are improved, and the data processing burden is reduced while the actual coverage condition of orchard green manure is comprehensively reflected.

The invention belongs to the technical field of saline-alkali soil improvement and crop planting, and particularly relates to a method for saline-alkali soil improvement and oat planting, which comprises the following steps: sowing mixed bean green manure crops in April every year, and scattering diammonium phosphate into ploughed soil before sowing; the mixed bean green manure is common vetch and S001 wild soybean; turning, pressing and returning to the field in a green manure full-bloom stage; the oats are planted every 15 days, and before the oats are planted, charcoal is scattered into the ploughed soil; the method comprises the following steps: selecting a saline-alkaline tolerant feeding oat variety, and cradling in a heading period. By sowing the mixed bean green manure, the soil composition of the saline-alkali soil can be effectively improved, the pH value of the soil and the total amount of water-soluble salt are reduced, and the content of total nitrogen, available phosphorus, quick-acting potassium and organic matter is remarkably increased, so that the method is suitable for oat planting; by sowing mixed bean green manure, turning, pressing and returning the mixed bean green manure to the field and applying biochar base fertilizer, the plant height and the yield of the oats are remarkably increased; the method is simple, effective, low in cost and suitable for large-scale popularization and application.

The invention discloses a synergistic planting method for spring green manure-winter wheat crop rotation synergistic soil improvement, and relates to the technical field of crop planting, and the method comprises the following steps: S1, carrying out soil preparation treatment on three test fields in the first ten days of June in the current year, and then dividing areas in the three test fields to respectively sow six green manure crops; s2, in the first ten days of September, the upper portion of the green manure is cut up and evenly spread on the spot, and then green manure stubbles are turned and pressed through a small machine; s3, applying a ternary compound fertilizer as a base fertilizer on October 20th in the same year, and sowing wheat after 3 days; and S4, harvesting the wheat by adopting a harvester in the next year, and performing threshing and warehousing operation. The method has the advantages that the soil fertility is improved by turning and pressing green manure, the saline-alkali soil structure is effectively improved, the yield and quality of winter wheat are effectively improved, and environment friendliness is achieved.

The invention discloses a green manure returning method suitable for arid and semi-arid regions, and belongs to the technical field of green manure returning. Green manure crops are harvested to prepare slow-release green manure to be applied to soil, and the slow-release green manure can quickly release part of water and nutrients after entering the soil; the rest of the slow-release green manure is continuously decomposed in the soil to release the nutrients, and meanwhile, water in the soil is effectively absorbed and retained, so that better growth conditions are provided for crop growth, the crop yield is ensured, and the crop yield is improved. The method for returning the green manure to the field has important significance on increasing the yield of crops in arid and semi-arid regions.

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.