Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

1266 results about "Arable land" patented technology

Arable land (from Latin arabilis, "able to be plowed") is, according to one definition, land capable of being ploughed and used to grow crops. In Britain, it was traditionally contrasted with pasturable land such as heaths which could be used for sheep-rearing but not farmland.

Device for simulating pollutant migration and transformation process of purple soil slope farmland

The invention discloses a device for simulating a pollutant migration and transformation process of purple soil slope farmland. The device comprises a soil bin, an artificial rainfall device and a slope ground surface incoming flow simulating device, wherein the soil bin is filled with purple soil and placed obliquely; slope ground surface incoming flow is simulated by the slope ground surface incoming flow simulating device in a manner that a peristaltic pump supplies water to an overflow water tank and enables the overflow water tank to overflow; a water conveying pipe of the artificial rainfall device is provided with a plurality of spray heads, and the spray heads are evenly arranged relative to the surface of the soil bin; and a plurality of surface runoff sampling ports and subsurface flow sampling ports are formed in the tail end of the soil bin and side faces of purple soil. According to the device disclosed by the invention, rainfall, slope incoming flow and the coupling of the rainfall and the slope incoming flow can be simulated, the temporal and spatial distribution characteristics of purple soil slope farmland pollutant migration and transformation in multiple hydrological processes are researched through adjusting various factors, and thus, the device is used for disclosing an interaction mechanism between the surface runoff and subsurface flow of the purple soil slope farmland and the pollutant migration and transformation.
Owner:CHONGQING UNIV

Reclamation method for sunk paddy field caused by mining in mountainous regions

The invention relates to a reclamation method for a sunk paddy field caused by mining in mountainous regions and belongs to the technical field of improvement and utilization of environment, ecology and damaged fields. The method includes: performing topsoil stripping to fissured positions where fissures are created by mining sinking and lead to water leakage of the paddy field; covering water holding materials on fissured areas after topsoil stripping; compacting the covered water holding materials, pouring slurry and standing; performing topsoil backfilling and grinding to the fissured areas after slurry pouring and standing, and flattening to enable the fissured areas to be a whole with pieces of the paddy field around the fissured areas; and irrigating, nourishing and improving the paddy field after backfilling and grinding. By the method, the cultivation land where the fissures are created by mining sinking and lead to water leakage of the paddy field can restore the paddy field utilization mode and reach production level of a normal paddy field as soon as possible, a stable self-maintaining farmland ecological system can be formed, a paddy field protecting system can be formed, soil microbial content can be increased, physicochemical property of soil can be improved, and benign farmland ecological system circulation can be formed.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Saline and alkali land improvement method

The invention relates to a land transformation method, in particular to a saline and alkali land improvement method. The method comprises the following steps: the saline and alkali land to be improved to is changed into an alternant land for a trench land and ridges; a layer of fine flowing sand or sandy loess with thickness of 3-3.5 cm is evenly laid on the trench land, the saw powder and the chopped grass with thickness of 1-1.5 cm are laid, and the plowing depth is 5-15 cm and is not excessively deep; the trench land is filled with water during the watering process and the ridge cannot be filled with water as possible; the saline and alkali tolerant high-quality corn variety is selected and planted or the agropyron elongatum can be planted; after the young seedlings grow out, the traditional intertillage management is carried out; after the seeds are harvested, the straw returning is carried out; as for the land tillage in the second year, the sand with thickness of 2-5 cm is laid, the saw powder and the chopped grass with thickness of 1-3 cm are laid, then a certain amount of farmyard manure is applied and the rest is the same as the tillage in the first year; as for the land tillage in the third year, the ridges on both sides of the land are respectively taken as the lands with one eighth width during the tractor-ploughing process, so the trench land is increased, and other parts are repeated according to the tillage in the second year; as for the land tillage from the fourth year to the sixth year, the tillage method in the third year is repeated; and the improvement of the whole saline and alkali land is finished after six years. The invention can enable the saline and alkali land to be changed into a fertile land, thereby thoroughly harnessing the saline-alkali land.
Owner:朱高升

Method for regulating and controlling limited downslope tillage of corroded slope farmland

The invention discloses a method for regulating and controlling limited downslope tillage of a corroded slope farmland, which comprises the following steps of: firstly dividing each land block on the slope farmland into a plurality of small farming units along the contour direction; and then carrying out downslope tillage on each farming unit. The land blocks are respectively divided into a plurality of small farming units through horizontal ditches or ridges. In the invention, flow lines of sheet flows are cut by dividing the length of the slope; a runoff quantity hydrograph is smoother than that of the original slope surface; the water flow speed of the slope surface is reduced; the resistance time of the sheet flows on the slope surface is prolonged; infiltration is increased; the surface runoff is reduced; the sediment transport capacity of the flow is obviously reduced; soil losses are greatly reduced; and the water and soil conservation capacity of the slop farmland can be effectively improved. The method is simple, convenient and labor-saving to operate, can achieve the effect on soil and fertility conservation by adopting simple measures, has small investment and a low cost and has the characteristics of high efficiency, practicality, convenience for farmers to receive and the like.
Owner:CHONGQING NORMAL UNIVERSITY

Cultivation method for interplanting of mulberry-branch black fungus on mulberry tree

The invention discloses a method for interplanting of mulberry-branch black fungus on a mulberry tree. The method comprises the steps of: selection of the interplanting time, collection and processing of mulberry branches, production of a formula and a bag of materials for culture of the mulberry-branch black fungus, promotion of growth of the black fungus, setting of the black fungus, and cultivation in the sunlight with or without intermediate cuttings of the mulberry tree. The method is characterized in that: a grafted bag is interplanted in a mulberry field, and a place for growth of the mulberry-branch black fungus is provided based on natural shading conditions of the mulberry field; and the culture materials comprises mulberry chippings with the mass percentage of 40-80 percent and other auxiliary materials. In the mulberry growing season, grafting is performed for the bag and mycelia are cultivated, semi-daylight cultivation is performed among and under mulberry trees according to the interplanting method, and full-daylight cultivation is performed after intermediate cuttings of the mulberry trees. The mulberry-branch black fungus is interplanted in the mulberry field, no land resources or special facilities are needed, the production cost can be reduced, economic benefits can be improved, and residues of the black fungus can be directly applied in the field to promote the growth of mulberry trees and fertilize the land.
Owner:SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI

Planting-cultivating combined farmland loach low-carbonized cultivation method

The invention relates to a loach cultivation method and in particular relates to a planting-cultivating combined farmland loach low-carbonized cultivation method which is used for cultivating loach in a farmland meeting the demands of planting core, taro or rice. The method comprises the following steps: 1) ditching and ridging the farmland and building 1-2 soil slopes on each ridge at an interval of 30m-80m, wherein the ditch width of the ditches among ridges is characterized by alternated narrow bands and wide bands, the ditch depth of the ditches in ridges is characterized by alternated shallow ditches and deep ditches, and all the ditches in ridges are communicated with edge slots around the farmland, thereby ensuring the unobstructed ditches; 2) cultivating loaches in the ditches among the ridges based on the condition that 2000-50000 loaches are put into per mu of the farmland; 3) planting crops on the soil slopes built in the step 1); and 4) putting earthworms into a ridge platform based on a quantity standard of 100-350kg/mu. The planting-cultivating combined farmland loach low-carbonized cultivation method is used for solving the low-income problems of the traditional methods for cultivating loach and purely planting crops in the farmland and fully utilizing the farmland resource, improving the ecological environment in the farmland, and has the characteristics of realizing the multiple-year benefits from once investment and the like.
Owner:SHANGHAI ACAD OF AGRI SCI +1

Combined cultivation method for water and soil conservation for sloping farmlands

InactiveCN102498779AReduce churnLoss avoidance or mitigationSoil-working methodsContour plowingBiology
A combined cultivation method for water and soil conservation for sloping farmlands relates to cultivation methods for water and soil conservation and solves the problem that using the single cultivation technique for holding water is unsatisfactorily effective. The combined cultivation method includes: firstly, adjusting ridges of sloping farmlands on downward slopes and inclined slopes under ridge plowing adjusted into transverse slope ridges, and adopting contour farming and belt planting; secondly, building ridges, and planting protective plant belts on the ridges; thirdly, subsoiling forfarming; fourthly, performing furrow damming; and fifthly, performing no-tillage conservation tillage. Furrow subsoiling and furrow damming are technically combined and integrated according to soil and weather characteristics of a black soil area, so that water and soil loss is reduced or avoided for sloping farmlands to the greatest extent, water and soil are conserved, water utilization rate isincreased, and crop yield is increased evidently. By the method, soil saturation and infiltration speed ratio is increased by 24.1% in processing treatment, water utilization rate is increased by more than 15%, crop yield is 30kg per mu, and 100 Yuan per mu is increased..
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Solar facility of high industrial production line of forage grass, vegetable, flower and medical material

The invention relates to a solar facility of a high industrial production line of forage grasses, vegetables, flowers and medical materials, which consists of an insulating production room, a chain ring cycle framework, a nutrient solution culturing plate, carbon dioxide gas, a thermocouple generator, a solar lens thermoelectric generator, a solar cooker thermoelectric generator, a solar lens thermoelectric generator, a heating bag and an LED power generation lamp. The facility can provide renewable energy sources and translucent insulation effect for the high industrial production line. The all-weather heating, insulation and light supplementation can be realized in the facility. The adoption of nutrient solution for culture increases the growth speed and prevents diseases and pests, and the forage grasses, vegetables, flowers and medical materials can be harvested all year round. Another significant feature of the facility is special development. The facility can save a large quantity of farmland, water resources and fertilizers, and can be used for all-weather production in any place (deserts, mountain areas, areas without power supply and areas in front of and behind houses). Moreover, the facility is a significant subject studied around the world at present. The invention can develop new living space for human beings, and has incalculable environmental, economic and social benefits.
Owner:陈绍勇

County-level crop planting area remote sensing statistic sampling survey scheme design method

InactiveCN107527014AAccurately obtain planting area statisticsRealize refined transformationImage enhancementImage analysisUnit sizeRandom combination
The invention discloses a county-level crop planting area remote sensing statistic sampling survey scheme design method. Multi-period up-to-date GF-1 16-meter-width images are adopted as a data source; a decision tree classification method is constructed to perform automatic interpretation, so that the spatial distribution condition of crops in a research area can be obtained; with the spatial distribution data of the crops adopted as a sampling population, on the basis of the arable land area and crop planting scale of the research area, a PPS sampling method is adopted to select a general survey region; various sample unit sizes and various sample unit quantities are designed in the selected general survey region, the quadrat unit sizes, quadrat sample unit quantities, sampling methods and calculation methods are combined randomly, the calculation results of the statistic sampling survey schemes of different combinations are compared with the planting area of target crops which is obtained through the data interpretation of GF-2 0.8-meter-resolution images; and analysis is performed according to the overall sampling accuracy, sampling stability and minimum sample capacity of result data, and a remote sensing statistic sampling survey scheme most suitable for the target crops of the research area can be obtained.
Owner:武汉珈和科技有限公司

Rainwater collection and water-saving irrigation pollution control system and method for sloping field

InactiveCN102124932AImprove water use efficiencySolve the contradiction of water dispersionWatering devicesCultivating equipmentsTerrainLandform
The invention relates to a rainwater collection and water-saving irrigation pollution control system and method for a sloping field, wherein contour no-tillage straw mulching and contour plant hedgerow measures, rainwater collection cellars and gravity trickle irrigation equipment are comprised. The rainwater collection and water-saving irrigation pollution control method comprises the following steps of: designing 2-4 rainwater collection cellars from a slope top to a slope bottom according to the terrain of a river basin sloping field, wherein the sloping fields which is positioned above the rainwater collection cellars and subjected to the contour no-tillage straw mulching and contour plant hedgerow measures are taken as rainwater collection surfaces, and the rainwater collection cellars are mainly built in a semi-underground way, provided with two rainwater outlets along the ground and cellar bottoms and respectively connected with 2-4 gravity trickle irrigation equipment; and carrying out partitioning gravity trickle irrigation on sloping farmlands positioned below the rainwater collection cellars. The invention can effectively reduce the pollution of water losses and soil erosion on a water body by carrying out space-time integrated regulation and control on the water losses and soil erosion of the sloping field and the redistribution of collected rainwater according to the change of raining time and the characteristics of the sloping field, and solve the problem that the sloping field can not be irrigated in a dry season through the redistribution of the collected rainwater, thereby enhancing the multiple-cropping index and the output of crops of the sloping field; and in addition, the invention can be widely used for the integrated management and control of therainwater for the sloping fields in the southwest regions in China.
Owner:INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI

Method for cultivating shiitake in woodland

The invention relates to a method for cultivating shiitake in woodland. The method comprises the steps that shiitake bacterial strains are inoculated in a plastic bag with cultivating materials and shiitake bacterial sticks are obtained after spawn generation and after-ripening cultivation; the woodland with the canopy density of 0.45-0.75 serves as a cultivation zone, a pit is dug in the ground under a tree and 0.6-1 meter away from a trunk and serves as a cultivation pit; the plastic film is removed from the shiitake bacteria sticks and placed in the cultivation pit, the cultivation pit is covered by a mixture of a dug humus layer and a dug soil layer and compaction, thorough watering and soil layer spawn generation are conducted; according to the temperature characteristic of the shiitake bacteria strains, hypha is cultivated for 15 days-60 days under the condition that the temperature is 4 DEG C to 36 DEG C and fruiting is conducted at the temperature of 5 DEG C-30 DEG C. The method for cultivating the shiitake is high in fruiting rate and the biology efficiency is improved by about 30% compared with that of the manual cultivation technology; the flavor and taste of the shiitake product approach those of wild mushrooms; a cultivated land does not need to be occupied, mushroom residue waste materials can be directly resolved and used by a tree root, the environment is protected and cyclic development is achieved.
Owner:平泉市国有黄土梁子林场

Biochar-based fertilizer for restoration of heavy metal contamination of arable soil

The invention relates to a biochar-based fertilizer for restoration of heavy metal contamination of arable soil. The biochar-based fertilizer is composed of, by mass, 50% of biochar, 15% of micropowder of water-chilled dreg from a blast furnace, 30% of fresh cow dung and 5% of a composite biological inoculum. As the biochar and the micropowder of water-chilled dreg from the blast furnace undergo strict screening and effective component activation, the pH value of the soil is increased, the granular structure of the soil is improved, adsorption effect on heavy metal elements in the soil is effectively strengthened, and soil heavy metal restoration effect is enhanced; and in the composite composed by the biochar, the micropowder of water-chilled dreg from the blast furnace, the fresh cow dung and the composite biological inoculum according to a certain proportion, the biochar improves adsorption of heavy metals in a soil solution, the micropowder of water-chilled dreg enhances the silicon utilization rate of crops under the action of an activator, the crops prevent and control migration of heavy metals to the bodies of plants while absorbing silicon so as to reduce heavy metal content in the crops, and the biochar and the micropowder of water-chilled dreg have synergistic interaction in controlling of absorption of heavy metal elements in the soil by the crops.
Owner:福建金土地生物科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products