15 results about "Hectare" patented technology

The invention discloses a plant configuration method for synergistically improving forest ecological products, and relates to the technical field of plant configuration methods. The method comprises the following steps: site condition analysis: selecting a forest region with an area of S hectare in a mountain area as an implementation object, and obtaining site conditions of the implementation object through field exploration; setting an ecological target; screening plant varieties; plant configuration layout planning; calculating ecological influence factors; initial ecological target calculation: calculating an initial ecological target by using an ecological target calculation model based on the obtained ecological influence factors of different plant types and the divided forest region information; and adjusting the forest region based on the determined forest region information and the determined plant type information. According to the method, the actual situation of the region can be accurately grasped, the scientificity of a plant configuration scheme is greatly improved, and it is ensured that a forest ecological system always develops towards a preset ecological target.

The invention discloses a rapid restoration method for degraded grassland based on a microbial agent. The microbial agent is formed by compounding 15-30 parts of a nitrogen-fixing microbial agent, 10-20 parts of a phosphate-solubilizing microbial agent, 8-15 parts of a plant growth-promoting microbial agent, 25-40 parts of a humic acid carrier, 3-8 parts of an embedding agent sodium alginate and 5-12 parts of a nutritional agent molasses. Wherein the nitrogen-fixing bacteria are azotobacter chroococcum and alfalfa rhizobium (the viable count is greater than or equal to 5 * 10 < 9 > CFU / g), the phosphate solubilizing bacteria are bacillus megatherium (the viable count is greater than or equal to 1 * 10 < 10 > CFU / g), and the growth-promoting bacteria are bacillus subtilis and pseudomonas fluorescens (the viable count is greater than or equal to 2 * 10 < 10 > CFU / g). The microbial inoculum is subjected to activation, carrier adsorption, sodium alginate embedding granulation and CaCl2 cross-linking processes to be prepared into slow-release particles of 1-3 mm. 200-250 kg of organic fertilizer is applied to each hectare in a mild area, 300-400 kg of organic fertilizer is applied to each hectare in a moderate and severe area, and leymus chinensis and wheatgrass are sown in a mixed mode. After 90 days of application, the vegetation coverage is improved by 40% or above, the soil organic matter is increased by 25-40%, the microbial diversity index is larger than or equal to 3.5, and the comprehensive remediation cost is reduced by 53%.

This invention discloses a production method for preparing artificial land using various types of stones, a complete technology for preparing artificial soil through on-site crushing and application to the comprehensive transformation of national land. This invention employs on-site mobile processing, avoiding transportation costs. A single unit can produce soil for 1500 mu (approximately 100 hectares) annually, with a standard farmland cost of only 2658 yuan per mu, and the cost of remediating polluted farmland not exceeding 10,000 yuan per mu. The produced soil has a thickness of 33.3 cm, does not compact, and has extremely high water retention; even after 10 days at high temperatures, the moisture content of the lower layer still reaches 70%. Heavy metal content in the soil and agricultural products is far below national standards, mercury was not detected, and it is safe to grow all grains and vegetables. This invention can be applied on a large scale to the remediation of polluted farmland and the enhancement of carbon sequestration in industrial areas. It can rapidly increase soil carbon sequestration, lower temperatures, and transform ineffective rocky land into high-yield farmland, completely solving global problems such as the extremely slow formation, rapid loss, non-renewability, arable land shortage, and global warming of natural soils. One-time transformation benefits millennia, possessing extremely high economic, ecological, and social value.

The invention discloses a coastal wetland scirpus mariqueter efficient recovery and management method based on deep ploughing treatment, which comprises the following steps: S1, seed pretreatment: soaking seeds and sand in a mass ratio of 1: 4 for 48 hours, and controlling the humidity to 40%; s2, selecting a sowing area and controlling sowing time: selecting a spartina alterniflora deep ploughing treatment area and sowing the spartina alterniflora in a low tide period before the first flood tide after deep ploughing; s3, according to a seeding rate and season adaptation strategy, 30 kg / hectare is adopted from April to July, and 45 kg / hectare is adopted from November to February of the next year; s4, dynamic monitoring and reseeding management: implementing monitoring management for two years after seeding; s5, recovering the effect evaluation index system; according to the method, the seed germination survival rate and community stability are remarkably improved, relapse of spartina alterniflora is inhibited, the vegetation coverage rate reaches 85% or above, the annual carbon reserve is increased by 0.2-0.3 ton / hectare, and the method is easy and convenient to operate, low in cost, high in applicability and suitable for large-area wetland ecological restoration engineering popularization.

This invention belongs to the field of rice cultivation technology, specifically relating to a method for synergistic yield increase through high-density rice planting and the application of silicate mineral materials. The method includes the following steps: before transplanting rice seedlings, applying silicate mineral materials to the soil at a rate of 4.5 tons / hectare to 6.0 tons / hectare in a single application; transplanting and high-density planting of rice seedlings; wherein the high-density planting density after transplanting is 312,000 hills / hectare to 345,000 hills / hectare. The method provided by this invention achieves a synergistic effect on rice growth and yield through high-density rice planting combined with the application of silicate mineral powder, essentially "compensating for weaknesses and synergizing advantages." The synergy of these two methods can alleviate the risk of lodging and nutrient competition caused by high-density planting, achieving the comprehensive goals of "nitrogen reduction, high-density planting, quality improvement, and stress resistance."

The invention discloses a heavy metal pollution assessment method for industrial land in the technical field of heavy metal pollution assessment, which comprises the following steps: determining the sampling point density of a prediction area by adopting an improved space Kriging interpolation method to obtain the number of sampling points per hectare; constructing a weight coefficient model by using the multi-dimensional pollution index; establishing a soil and underground water double-medium migration evolution model; constructing a heavy metal pollution factor diffusion prediction system based on an LSTM neural network; and the operation target prediction system outputs prediction data of heavy metal pollution diffusion in a certain period in the future. The density of the sampling points is determined by adopting the improved space Kriging interpolation method, the variation characteristics of the space can be reflected more accurately, the weight coefficient model is constructed by utilizing the multi-dimensional pollution index, the weight distribution of the heavy metal pollution factor can be more reasonable, and by establishing the soil and groundwater double-medium migration evolution model, the heavy metal pollution factor can be more accurately distributed. The migration and transformation process of pollutants in soil and underground water can be comprehensively simulated.

The application discloses a kind of self-adapting wheat ear number prediction methods based on variational autoencoder, it is related to machine learning technical field, and local and global image after wheat heading is collected by unmanned aerial vehicle, and data set is constructed by combining unmanned aerial vehicle flight parameter, and feature extraction and modeling are carried out.Then, the local image and global image of wheat are extracted by variational autoencoder structure Feature, and the uncertainty module is used to model the uncertainty of the model.Then, the local detail features and global spatial features are fused by the multi-scale attention mechanism, and finally the wheat ear number per mu is predicted by the multi-scale density decoding module.The method can improve the prediction accuracy of wheat ear number per mu under different conditions, and has good generalization ability.

The invention discloses a grain virtual water flow evaluation method considering an irrigation yield increase effect. The method comprises the following steps: S1, acquiring per unit yield and crop production water footprint data of grain crops in a measurement and calculation area in irrigation cultivated land and rain-fed cultivated land in a measurement and calculation time period; s2, acquiring consumption data of various types of grains, and collecting grain yield data to calculate an inter-provincial grain trade network; s3, calculating the amount of water resources needing to be consumed when the grains participating in the trade produce in the output province and the input province respectively through a preset condition that no grain trade occurs; and S4, in combination with the grain trade circulation data and the grain production water footprint data, calculating inter-provincial grain virtual water flow momentum in the year and performing benefit evaluation. According to the method, a more rational grain virtual water flow evaluation method is realized, and reference can be provided for regional grain safety and water resource management.

The utility model discloses an ecological insect prevention buffer zone system based on plant communities, which is distributed in a strip shape around an area needing insect prevention, and the width is determined according to the scale of the area. In the buffer zone system, an arbor, shrub and grass dense planting area with the area not smaller than 100 square meters is built every two hectare to serve as a living organism dense inhabitation area, and the canopy density is 85% or above; arbor and herbaceous plants are arranged from the center to the edge in the horizontal direction of the living organism intensive inhabitation area, and bottom layer vegetation, middle layer vegetation and high layer vegetation are arranged from low to high in the vertical direction of the living organism intensive inhabitation area. Shrubs are planted between the two types of plants in the horizontal direction and between the bottom vegetation and the middle vegetation in the vertical direction; the plants have the effects of expelling insects and attracting natural enemies of the insects; at least one water body is arranged in the area of every two hectare. By means of multi-layer and multifunctional plant configuration, the natural prevention and control capacity of pests is enhanced, soil can be effectively improved, the ecological stability can be effectively enhanced, and reliable support is provided for achieving ecological agriculture.

The invention relates to the field of agriculture and can be used in peasant farms, on the territory of which small- and medium-contour saline mixed soda and soda-sulphate heavy loamy solonetzic soils have become widespread. The method includes an early spring soil salt survey of the area to determine the state of solonetzic and saline soils, the development of a land reclamation strategy, the introduction of a calculated dose of sulfuric acid in the form of a solution, their incorporation to the depth of the solonetzic horizon, and the cultivation of alfalfa. This method allows for the production of up to 200 centners of fresh alfalfa per hectare per year on barren (due to soda salinity and alkalinity, there is virtually no vegetation) saline mixed soda and soda-sulfate solonetzic soils after their reclamation with a 1% sulfuric acid solution. The method improves the socioeconomic and environmental conditions of farms and farms where these soils are widespread. Key words: soda and soda-sulphate saline soils, chemical melioration, sulfuric acid, alfalfa, productivity.

This invention relates to the field of soil fertility improvement technology, specifically disclosing a method for quantitatively applying biochar to dryland wheat fields. The method includes calculating the amount of exogenous carbon required to increase soil organic carbon per hectare based on soil bulk density, soil topsoil thickness, and the difference between the target and current organic carbon content. Then, using the ratio of exogenous carbon to the total carbon content of biochar, a coefficient for straw treatment methods, and a biochar application adjustment coefficient for sandy loam, the required amount of biochar to be applied per hectare is calculated and applied to the soil surface. This method for quantitatively applying biochar can quantitatively calculate the required biochar content based on the target soil organic carbon content, avoiding the problems of excessively high soil pH and resource waste caused by excessive biochar application, and also avoiding the problem of insufficient biochar application leading to poor soil organic carbon enhancement.

The invention discloses a method for realizing desertification land treatment through flood diversion. The method comprises the following steps: establishing a flood collection unit comprising a flood diversion channel, an adjusting tank and a pre-sedimentation tank at the upstream of a to-be-treated desertification land area; the method comprises the following steps: designing a multi-stage slow flow diversion network between a regulating reservoir and a to-be-treated area, including a main diversion channel, a distribution branch channel and a permeation diversion channel, arranging a flow control device at a key node, and controlling the flood flow rate to be 0.5-2.0 m / s; controlling the water volume per unit area to be 300-1500 cubic meters per hectare according to the salt content of the soil, continuously infiltrating for 6-72 hours, and infiltrating for 3-5 times to improve the pore structure of the soil. According to the method, rich flood resources in arid and semi-arid areas are effectively utilized, and low-cost, rapid and large-area desertification land treatment is achieved.

The invention belongs to the field of agricultural biology, and provides a method for improving heat resistance of wheat, which specifically comprises the following steps: spraying exogenous agmatine to wheat plants, and spraying agmatine once in the elongation stage of the planted wheat in a field experiment; spraying once again when the wheat grows to a heading stage, and covering the experimental plots by using a plastic greenhouse to create a high-temperature environment. Experimental results show that the green-keeping period of the wheat under high-temperature stress can be prolonged by spraying agmatine, so that the wheat is late matured for 2-3 days, the filling time is increased, grains are fuller and thousand grain weight compared with a control group, and the yield per hectare is remarkably increased. The method for improving the heat resistance of the wheat, provided by the invention, is simple and convenient to operate, effectively enhances the heat resistance of the wheat in a mature period, provides a powerful guarantee for stable growth and yield increase of the wheat in a high-temperature environment, and has a wide application prospect and an important practical value.

The invention provides a composite prevention and control method for ecological restoration of strawberry continuous cropping soil, which comprises the following steps: soil pretreatment and conditioner application: after strawberries are harvested, removing sick and residual bodies, ploughing the soil by 20-40cm, applying charcoal particles with the particle size of 0.5-2mm according to 3-5t / hectare, and then applying a conditioner to the soil, the biochar particles are prepared by pyrolyzing lignocellulose biomass in a specific anoxic temperature interval and are subjected to surface modification treatment to form a nano metal oxide loading layer; the organic matrix is livestock and poultry manure organic matter which is thoroughly decomposed through sufficient anaerobic fermentation, and the organic matrix is mixed with biochar for application to activate a soil microporous structure and initial microbial activity; in the steam sterilization process, a movable steam generation device with a multi-stage temperature regulation and control function is adopted, uniform saturated steam injection is conducted on a plough layer, and it is ensured that the target soil layer depth reaches and maintains a preset thermophilic spore inactivation temperature threshold value for a specific duration through a real-time temperature sensing feedback system; and then executing a gradient cooling process.

The utility model relates to the field of agriculture, in particular to plant growing, and can be used in the cultivation of a perennial grain crop - grain wheatgrass for the conditions of semi-provided and unprovided dryland in the southeast of Kazakhstan with an annual rainfall of 200-400 mm. The technical solution of the utility model is drought resistance and efficient use of moisture, improvement of soil condition, stable grain and feed harvest, as well as reduction of costs for annual seed purchase and implementation of agrotechnical measures during its cultivation. The said technical result is achieved by a method of cultivating grain wheatgrass, which includes, in the first year, primary autumn tillage, pre-sowing surface tillage, winter sowing with rolling, and post-emergence treatment with a herbicide in the spring. According to the invention, primary tillage is carried out in the fall after harvesting the preceding crop once by plowing to a depth of 22-25 cm. Pre-sowing surface tillage is carried out by loosening the surface soil layer to a depth of 10-12 cm, sowing of grain wheatgrass is carried out in the fall using precision seeders in a wide-row method with a row spacing of 50 cm to a depth of 1-2 cm with simultaneous rolling and application of phosphorus fertilizers ammophos at a rate of P60 per 1 hectare, in the spring during the tillering phase, post-emergence treatment is carried out with the herbicide Ballerina at a rate of 0.4 l / ha in a tank mixture with the growth stimulator Beres 8 at a rate of 0.2 l / ha, and in the tube emergence phase, inter-row soil cultivation is carried out at a depth of 8-10 cm with the simultaneous application of ammonium nitrate at a rate of N60; in the earing phase, as pests appear, grain wheatgrass crops are treated with a tank mixture consisting of the insecticide Karatoshans at a rate of 0.2 l / ha and the growth stimulator Beres 8 at a rate of 0.2 l / ha. An additional technical result is achieved by cultivating grain wheatgrass according to the invention. In subsequent years, ammonium nitrate is applied early in the spring at a rate of N60, followed by light harrowing to lock in moisture. As the grain wheatgrass plants grow and develop, protective measures are implemented.