237 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 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 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 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 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 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 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 provides a method for repairing acidified soil in a cherry orchard based on intercropping of green manure plants, and belongs to the technical field of soil improvement. The method comprises the following steps: spreading a soil conditioner into the cherry orchard, sowing green manure plants among rows or plants of cherry trees, covering the cherry orchard with the green manure plants in a no-tillage manner after cutting, crushing the whole green manure plants in the next year, and then turning and pressing the green manure plants, the soil conditioner comprises biochar, a compound microbial agent, an organic fertilizer and a calcium magnesium phosphate fertilizer; the composite microbial inoculant comprises bacillus subtilis, bacillus amyloliquefaciens, pseudomonas aeruginosa and a microbial inoculant carrier. The method provided by the invention can significantly improve the nutrients of the cherry orchard soil, improve the soil structure, increase the pH value of the acidic soil, reduce the content of exchangeable acids, and play a role in improving the acidic soil of the cherry orchard.

The invention relates to the technical field of agricultural fertilizers, and discloses an organic agricultural nutrient management method combining natural mineral substances and organic fertilizers, which comprises the following steps: S1, pretreatment of natural mineral substances: crushing zeolite, bentonite and ground phosphate rock, and activating the ground phosphate rock; s2, pretreatment of the organic fertilizer, wherein livestock manure compost and green manure powder are subjected to mixed fermentation; and S3, preparation of composite particles: taking the pretreated organic fertilizer as a core layer to form particles. Through layered particle structure design based on the'adsorption slow release dynamic regulation theory 'and in combination with the characteristics of natural minerals and organic fertilizers, dynamic matching of nutrient release and crop requirements is successfully realized, the utilization efficiency and the lasting period of the fertilizer are remarkably improved, the volatilization and loss of nutrients are reduced, and the yield of crops is increased. Meanwhile, the problem of low utilization rate of phosphorus is solved through the activation of the ground phosphate rock and the chelation of humic acid.

The invention provides an improvement method for tobacco field soil in a high-altitude cold area, and belongs to the technical field of tobacco field soil improvement. The improvement method provided by the invention comprises the following steps: (1) in the later period of tobacco leaf picking or after tobacco leaf harvesting and soil preparation, spreading leguminous green manure, and after 10-30 days, spreading cruciferous green manure; 2, 25-35 days before tobacco transplanting, green manure is turned over and returned to the field, and meanwhile biochar is applied; and (3) preparing soil and ridging, applying a special fertilizer for tobacco, transplanting the tobacco, and applying a microbial agent when the tobacco is transplanted. According to the improvement method provided by the invention, the green manure green-pressing biomass can be remarkably improved, the soil fertility is improved, the activity and function of soil microorganisms are improved, the yield and quality of tobacco leaves are improved, the sustainable development of tobacco leaf production is promoted, and remarkable social benefits and economic benefits are generated.

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 invention relates to the technical field of green prevention and control of crops, in particular to an ecological synergistic prevention and control method for diseases and insect pests suitable for strawberry planting in plateau regions, which attracts natural enemy insects by intercropping umbelliferae, compositae and leguminous functional plants, and naturally controls the population number of honeydew type pests such as trialeurodes vaporariorum, aphids and scale insects. The soil fertility is maintained through green manure rotation, the strawberry sooty mould occurrence rate is effectively reduced, the strawberry fruit quality and yield are improved, and the method has the advantages of being green, safe, low in investment and high in benefit.

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 green manure covering and utilizing method for controlling grass and cooling in summer in a hillside orchard. The method comprises the following steps: step 1, determining sowing time; 2, determining a sowing mode; step 3, performing post-sowing management; and step 4, performing coverage utilization. According to different site conditions of the hillside orchard, by means of biological weed control and cooling, ecological and economic benefits are combined, summer green manure is planted between rows in multiple modes, whole orchard coverage is achieved, the fruit yield and quality can be improved, the summer soil temperature can be reduced, the soil water content can be increased, the soil nutrient content can be increased, weed growth can be inhibited, and the yield and quality of the hillside orchard can be improved. Meanwhile, the weeding frequency is reduced, and the weeding cost is reduced.

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.