1590 results about "Cultivated land" patented technology

The invention discloses an agricultural drought grade monitoring method based on a temperature vegetation drought index (TVDI). The method comprises the following steps of: 1, data preparation; 2, land surface temperature (LST) data reconstruction; 3, construction of crop plantation area normalized difference vegetation index-land surface temperature (NDVI-LST) feature space; 4, TVDI calculation; and 5, drought grade monitoring based on the TVDI. The invention brings forward an LST data reconstruction method based on multi-year background values and area fluctuation values, a cultivated land area multi-year NDVI-LST feature space is constructed for crops, the TVDI is calculated, a crop drought grade monitoring model based on a supervision classification idea is designed for drought grade remote sensing monitoring, the model can quite accurately reflect drought threat degrees of the crops under difference conditions in real time, and the method has great significance in monitoring, early warning and prevention of agricultural disasters.

The invention relates to a farmland runoff pollution ecological intercepting ditch. The cross section of the ditch is trapezoid; the two walls and the bottom of the ditch are hardened by a concrete plate on which a plurality of rectangular holes are formed, and plants which have high capacity of absorbing nitrogen and phosphorus are planted in the holes; a plurality of check gates are arranged in the ditch; and the bottom of the ditch is provided with a plurality of filter boxes arranged in an S shape, holes are distributed on the four walls of each filter box all over, an adsorbing material which has high capacity of adsorbing the nitrogen and the phosphorus is filled in each filter box, and the plants which have high capacity of absorbing the nitrogen and the phosphorus are planted in the filter boxes. By the farmland runoff pollution ecological intercepting ditch, the nitrogen and the phosphorus in farmland drainage can be effectively intercepted, and the intercepting rate is over 50 percent and over 60 percent respectively; suspended matters in the farmland drainage can be effectively intercepted, and the intercepting rate is over 95 percent; the conventional farmland drainage ditch can be fully utilized, and the problem that ecological engineering occupies more cultivated land is solved; and engineering cost and maintenance cost are low, and the ditch is easy to operate and maintain and convenient to popularize and apply in a large area.

The invention discloses an optimization method of simultaneous harvest and reclamation opportunity of single coal layer based on mining subsidence simulation and second ploughing rate, relates to dynamic mining subsidence prediction and GIS (Geographic Information System) analysis processing, and belongs to the field of mining technology, land utilization and land rehabilitation, and the method is used for solving the problem of unstable mining subsidence land reclamation and realizing the simultaneous harvest and reclamation of underground coal mine regions. The method comprises the steps of: considering the subsidence visual simulation of landform before mining, the ground subsidence scene simulation of time domain and the optimization of the simultaneous harvest and reclamation opportunity based on the second ploughing rate on the basis of onsite file collection and analysis and based on a probability integral method and a mining subsidence predict of Knothe time function. The method disclosed by the invention performs dynamic scene simulation and reclamation opportunity optimization on the subsidence to determine the optimal reclamation opportunity under special mining conditions and natural conditions, thereby rescuing the precious surface soil resources of plain mining areas to the uttermost and planning, protecting and treating the lands to be suffered from subsidence damage in advance, so as to improve the reclamation rate, reduce the reclamation cost, promote the sustainable utilization and sustainable development of mining area land resources, and guarantee the coordination and synchronous development of coal resource mining and cultivated land protection.

The invention discloses an organic recycling agriculture production system with high efficiency, which uses food obtained from planted crops for feeding livestock, manure produced by which is fermented so as to produce biogas, biogas residue and biogas slurry, wherein, the biogas can be used as clean energy, while the biogas residue and biogas slurry are applied to cultivated lands or grass lands; the planted forage and crop stalks can be used for raising cattle or earthworm after grinded together with cattle manure; the earthworm can be extracted to produce plant growth enhancer, protein feed and biologic products; the earthworm manure can be used as highly effective organic fertilizer to be applied to farm lands or grasslands. The organic recycling agriculture production system of the invention abides by the theory of agriculture circular economy, utilizes nature resource fully and reasonably, promotes resource regeneration, forms virtuous circle of multi-grade utilization of material and energy, and thus is a modern agriculture technique with high quality, high yielding, high efficiency, low consumption and environment protection as well.

The invention discloses a method for quickly improving inland severe saline-alkaline wasteland. The method mainly comprises the steps of scraping ground surface salinity, performing deep ploughing and stubble cleaning, spreading desulfurization gypsum and weathered coal in a layered mode, digging drainage ditches, making field ridges to form strip fields, finely flattening the land, performing leisure salt leaching in rainy season, evenly applying an organic fertilizer and a modifying agent, performing winter irrigation for salt leaching, continuously spreading the desulfurization gypsum and weathered coal in the second year and third year in a layered mode, evenly applying half of organic fertilizer and modifying agent dosage and performing winter irrigation for salt leaching; planting leguminous green manure vicia villosa or alfalfa in the first year after improvement, performing mowing and green manure dressing and ploughing soil at a vigorously growing stage; planting sugarbeet or forage maize at the second year; planting grain corns or sorghums at the third year, and normally ploughing and using the land at the fourth year. The method for quickly improving the inland severe saline-alkaline wasteland integrates water irrigation and drainage, salt leaching, soil salinization controlling on flat ground, chemical salinization improvement, biological salinization controlling and other technologies and can quickly reduce soil pH and ESP of the inland saline-alkaline wasteland, improve the saline-alkaline wasteland improving speed and shorten an improvement period for changing the wasteland into cultivated land.

The present invention belongs to the technical field of remote sensing application, and discloses a vegetable field monitoring method based on multi-source multi-temporal remote sensing image data. The method comprises the steps of: determining a type and a phenological phase of a vegetable field and an interfering ground object, and selecting optimal phases of vegetable field and interfering ground object identification; acquiring multi-source multi-temporal remote sensing image data and service specific vector data; and by using an object-oriented classification method and combining parcel-level cultivated land vector data, performing vegetable field data extraction, and extracting vegetable data according to the two optimal phases and taking an intersection, so as to obtain a vegetable field monitoring result. According to the method, vegetable field monitoring is performed based on multi-source multi-temporal remote sensing image data, so that influence of interfering ground object is effectively reduced, and monitoring precision is improved.

The invention relates to a complex microorganism fungicide for treating animal manure and a preparation method and an application thereof. The adopted technical scheme is that the complex microorganism fungicide consists of saccharomyces cerevisiae, powdery pichia, bacillus subtilis, bacillus cereus, bacillus megaterium and lactobacillus plantarum. Microbial organic fertilizer can be prepared by treating the animal manure with the complex microorganism fungicide. The complex microorganism fungicide for treating the animal manure prepared by the invention has the advantages of easy obtainment of raw materials and simple manufacturing method. Preparing the microbial organic fertilizer by mixing the complex microorganism fungicide for treating the animal manure with the animal manure, organic materials and cornmeal not only can treat the animal manure, but also effectively utilizes rural wastes; and the prepared microbial organic fertilizer can not pollute crops and cultivated land because no chemical substance exists in the prepared microbial organic fertilizer.

The invention discloses a comprehensive improvement method suitable for inland extreme arid area saline-alkali soil. The method is formed by integrating multiple technological innovations of levellingsoil and eliminating salt accumulation in surface soil, returning straw to field and improving a soil body structure so as to block a salinity ascending channel, additionally applying an organic fertilizer and optimizing fertilized soil to improve a crop saline-alkaline tolerance capacity, deep-plowing soil and adjusting grain compositions so as to retard salinity ascending, additionally applyingan improver and creating a low-salt rhizosphere micro-environment, covering by straw and preventing soil salt return, rationally irrigating for salt-leaching and desalting and the like. The technology can be applied for performing straw simplification on preceding crops and rapidly and directly returning to the field, relieving labor intensity of a farmer, adequately using straw nutrient resources for usage by crops in the next season, reducing an applying quantity of a chemical fertilizer, and reducing agricultural production cost. An isolating layer is formed in a soil body, so the ascending of underground water and salinity in the lower soil body is retarded, and the salt accumulation in the surface soil and the salt return are reduced. The method has multiple functions of improving the saline-alkali soil, improving production capacity of cultivated land, increasing production, saving cost and increasing income and the like, and is remarkable in economic, social and ecological environment benefits.

The invention discloses a composite soilless ground substrate grass blanket and a planting method thereof, relating to lawn. The invention solves the problems that the cultivation of soil grass blankets destroys cultivated lands, quickens soil desertification and damages ecological environment. For the composite soilless ground substrate grass blanket, lawn grass is planted on a soilless ground substrate layer, a non-woven fabric is arranged below the soilless ground substrate layer, and the non-woven fabric covers a film layer, wherein the soilless ground substrate layer is a mixture of sawdust, vinegar residue, straw residue, an organic fertilizer and a biological starter, and the mass percent of water in the mixture is 55-65%. The planting method comprises the following steps of: finishing a bed, laying a film, laying the non-woven fabric and laying a soilless ground substrate successively; then, sowing glass seeds to culture; and finally transplanting the grass seeds out of gardens. The composite soilless ground substrate grass blanket can be arbitrarily cut and freely moved, has light texture and is applicable to the ecological management of different environments such as barren, droughts and the like. The planting method is simple and easy to popularize, and the composite soilless ground substrate grass blanket is easy to transport.

The invention discloses a method of quickly repairing a cadmium polluted cultivated land by crop rotation of a cadmium super-enriching plant and an energy plant. The method comprises the following step: planting the cadmium super-enriching plant and the energy plant in the cadmium polluted cultivated land in the natural growth periods thereof for conventional cultivation to achieve the purpose ofrepairing the cadmium polluted cultivated land by means of adsorbing and enriching abilities of the cadmium super-enriching plant and the energy plant, wherein the cadmium super-enriching plant is sedum plumbizincicola and the energy plant is sorghum or oilseed rape. The invention provides a planting mode which is not limited by growth seasons. Based on one year as the repair period, the soil repair efficiency of the polluted cultivated land is increased by means of a relatively long growth period in multi-cropping plantation, and the method is short in repair period, high in operability and low in cost, and repairs the land more thoroughly.

The invention discloses a cultivated land monitoring method and system based on a convolutional neural network fused with residual correction. The method comprises the steps: acquiring different-time-phase high-resolution remote sensing images in the same region, carrying out the registration preprocessing, and then carrying out the image cutting; extracting a corresponding cultivated land area vector labeling true value to obtain a cultivated land sample and a background sample in the image area; constructing a convolutional neural network fused with residual error correction, including adding a hole convolution operation based on a Unet network, expanding a receptive field to extract global features, then fusing a residual error correction model to correct a cultivated land extraction result, and taking a result after residual error correction as a cultivated land extraction result; training the convolutional neural network fused with residual correction; for a to-be-extracted high-resolution remote sensing image, cultivated land extraction is carried out according to a training result; the method comprises the steps of performing difference operation and morphological filteringpost-processing on a grid image corresponding to a cultivated land extraction result according to the cultivated land extraction result in remote sensing images of different time phases in the same region to obtain a cultivated land region change detection result.

The invention relates to an ecological ditch system for farmland return water pollution prevention and control. The ecological ditch system comprises farm ditches, branch ditches, a reservoir/pond and a main ditch, wherein the farm ditches, the branch ditches, the reservoir/pond and the main ditch sequentially communicate. The ecological ditch system is constructed through the following steps of (1) farm ditch construction, wherein (1-1) the farm ditches are finished, (1-2) plants are planted, and (1-3) multiple stone steps are arranged; (2) branch ditch construction, wherein (2-1) the branch ditches are finished, (2-2) branch ditch slopes are arranged, (2-3) soil intercepting dams are built, (2-4) plants are planted and artificial aquatic plants are arranged, and (2-5) gabions are arranged; (3) reservoir/pond construction; and (4) main ditch construction. According to a construction method, finishing and ecological reconstruction are carried out based on an original ditch, drainage of farmland overland runoff and farmland irrigation water is facilitated better, and the structure of agricultural production is not changed in the whole reconstruction process; and meanwhile the purification capacity of the ditch on pollutants in farmland drained water can be improved, no cultivated land resource is additionally occupied, the construction method and process and daily maintenance are simple, and implementation and popularization are easy.

The invention relates to the field of soil remediation and discloses an in-situ bioremediation preparation for heavy metal contaminated soil. The preparation contains fungi and/or bacteria with heavy metal degrading abilities, the fungi refer to at least one of aspergillus niger, rhizomucor variabilis and grey cunninghamella, and the bacteria refer to at least one of bacillus amyloliquefaciens, bacillus licheniformis and bacillus simplex. By using the preparation for in-situ bioremediation of the heavy metal contaminated soil, the problems that the soil needs to move by using a moving method and secondary chemical agent pollution of the cultivated land is easily caused by using a decomposition method can be overcome, at the same time, residual heavy metals in the soil obtained after catabolism through the fungi and/or bacteria can also be fully used, the problem that high residual heavy metals in the soil seriously endanger food safety is solved, the soil micro-ecology is improved, the cultivated ability of soil is more quickly recovered, and the method is relatively low in cost and has broad application prospects.

The invention discloses an artificial cultivation method of radix sophorae tonkinensis and belongs to the technical field of traditional Chinese medicinal materials cultivation. The artificial cultivation method particularly comprises the following steps: selecting cultivated land, preparing soil, applying base fertilizer, transplanting, intertilling and weeding, fighting against drought and draining flooded fields, fertilizing, controlling pest, erecting braces, harvesting, processing and storing. According to the artificial cultivation method of radix sophorae tonkinensis, the seeding cultivation is adopted, large-area radix sophorae tonkinensis can be cultivated to form industrial production, the output is increased by 15% to 25%, the effective components are increased by 10% to 12%, the artificial cultivation method of radix sophorae tonkinensis can provide raw materials to medical industry in which injection solution for curing hepatitis, tablets for curing sore swollen throat and antineoplastic Chinese patent medicine are researched developed, the current situation that wild radix sophorae tonkinensis resource is exhausted is improved, the procedure is simple, and the operation is easy.

The invention discloses a method for improving soil organic matter through fungus cultivation. The method includes the steps of selecting species of fungi, preparing a base material, preparing compost, preparing a cultivation species suitable for field production, conducting field production and post-production treatment and the like. The compost is laid in a field and applies high-strength organic fertilizer to the field; after the compost is decomposed through mycelia, macromolecular substances are degraded into small molecular substances capable of being easily absorbed by crops, and therefore soil fertility is improved; fungus chaff left after production is rich in nutrient an is superior organic fertilizer; in the fungus field production process, fungi are irrigated, soil humidity can be kept, and the improvement of soil microbial flora and soil ecology is greatly helped. Compared with the prior art, the method has the advantages that load cultivation type fungus production is developed through an existing cultivated land, economic benefits can be achieved, the soil organic matter content can be improved, soil ecology is improved, soil fertility is increased, and soil restoration and crop fertilization can be achieved by developing the land cultivation type fungus production.

The invention discloses a cultivation method of mulberry interplanted with ramulus mori ganoderma lucidum. The cultivation method comprises interplanting time selection, ramulus mori raw materials collection and treatment, ramulus mori ganoderma lucidum compost formula and fungus bag making, mulberry field treatment and fungus bag treatment. The cultivation method is characterized by comprising the following steps of: interplanting the inoculated fungus bag in the mulberry field, and providing ramulus mori ganoderma lucidum with a growth and development place by utilizing the natural conditions of mulberry field shade, wherein the cultivation material comprises 40-80% by mass of mulberry sawdust and other auxiliary materials. In spring and summer, the fungus bags are inoculated and hypha is cultivated when mulberry flourishes. The cultivation method for mulberry interplanted with ramulus mori ganoderma lucidum can be used for cultivation between the mulberry implanting lines and on the earth under the mulberry or by earthing. According to the cultivation method, ramulus mori ganoderma lucidum is interplanted in the mulberry field without occupying cultivated land, thereby not occupying farm land and saving land resources; moreover, no cultivation facility is needed, thereby reducing the production cost and improving the economic benefit; and produced mushroom residue can also be directly returned to the mulberry field so as to improve the mulberry growth and enhance the soil fertility.

A high-yield cultivating method of corns belongs to agriculture and overcomes the shortcoming that an existing planting method is difficult in continuing to increase yield. The high-yield cultivating method of the corns comprises performing deep scarification of furrows at intervals one by one on ridged cultivated land, and applying farmyard manure in a deep scarification layer while performing deep scarification, watering in the furrows after deep scarification and fertilization, sowing seeds in the watered furrows, paving straw in the furrows where the straw is cut in autumn harvest, in the next year performing the deep scarification, fertilization, watering and seeding cultivation in furrows which are idle in the last year, idling the furrows where the seeds are sown and the straw is paved, repeating the cycle, and forming the law that cultivation is performed to each furrow every other year, namely performing alternate cultivation to adjacent furrows on an annual basis. The high-yield cultivating method of the corns has the advantages of water retention and duration of soil fertility-keeping ability. Crops are good in light transmission and ventilation, deep in root system and resistant to lodging. The straw returning to the field keeps warm, preserves soil moisture, resists soil loss and is high in corrosion utilizing rate. A process of stubble cleaning cultivation is omitted. On the premises of saving energy and labor input, the high-yield cultivating method can obviously improve unit area yield of the corns and improve quality of corn kernels.

The invention provides a corn-for-seed field remote sensing recognition method and device, the method comprises following steps: S1, a multi-temporal first multispectral image in corn growth stage and a mono-temporal first panchromatic wave band image after removing male parent of the corn for seed in a target field are acquired, and the first multispectral image and cultivated land data are combined to generate a second multispectral image; S2, a vegetation index system of the second multispectral image is constructed, and a timing sequence image set is generated; S3, according to the timing sequence image set, a pre-constructed random forest classifier is used to recognize a first corn-for-seed field; and S4, textural features of the first corn-for-seed field are acquired from the first panchromatic wave band image, and a second corn-for-seed field is recognized from the first corn-for-seed field. According to the invention, recognition precision of corn-for-seed field is improved, overfitting is less, according to the textural feature difference between the corn-for-seed field and large-field corn, corn-for-seed field can be further recognized, and recognition precision of the corn-for-seed field can be further improved.

The invention belongs to the technical field of planting, and discloses a high-yield planting method for improving the disease resistance of Citrus. The high-yield planting method comprises the following steps: 1) selecting and processing cultivating land, selecting the sandy land for tilling, and applying sufficient decomposedmanure, digging holes according to the row spacing of (2-3) * (3-4)m, applying2-5 kg of superphosphate and 2-3 kg of plant ash for per hole; 2) transplanting and planting; transplanting and plating between late August and early September, or between February and March, and applying nutrient solution at the same time; 3) applying fertilizer; applying compound fertilizer in the germination period by 0.5-1.2kg/tree; applying calcium orthophosphate in the florescence period by 0.3-0.6kg/tree, and applying boric acid with a mass concentration of 0.3-0.5% and disease-resistance nutritional agents with the mass concentration of 0.3-0.5% by means of foliar spraying; applying foliar fertilizer with a concentration of 0.3-0.5% during the fruit expansion stage; applying fruit expanding fertilization during full bearing period by 0.5-1.5kg/tree; 4) insect killing; preparing the insect-resist agents from probiotics, indole acetic acid, Chinese medicine extract and carbendazim. The high-yield planting method for improving the disease resistance of citrus has the advantages that the yield and quality of citrus is significantly improved; the disease-resistance of citrus is improved and the fragrance and the sweetness of the fruits are greatly improved.

The invention discloses a Bayer process red mud and gangue porous sintered brick and a production method thereof. The porous sintered brick is prepared from the following raw materials: 60 to 75 parts of Bayer process red mud; 25 to 35 parts of gangue; 2 to 6 parts of tailings or wastes in chemical plants; and 0.5 to 3 parts of pore-forming agent. The preparation method of the brick comprises the following steps: after dehydrating the Bayer process red mud, mixing and uniformly stirring the Bayer process red mud and other ground raw materials, aging for 1 to 3 days, and adding water to stir aged powder in a stirring machine so as to obtain mud; carrying out extrusion forming on the mud under the extrusion pressure of 1.5 to 2.5MPa by adopting a stiff-plastic process so as to obtain a semi-finished product which accords with the specified dimension and the specified shape; and drying a mold brick and sintering the mold brick in a tunnel kiln to obtain the Bayer process red mud and gangue porous sintered brick. The product reaches the national strength standard of the sintered bricks. In the technology, the total use amount of industrial wastes is close to 100 percent; a large number of farmlands are saved; land resources are effectively protected; and the Bayer process red mud and gangue porous sintered brick and the production method thereof accord with the national policies of saving energy and reducing emission and have obvious environmental benefits, social benefits and economic benefits.