620 results about "Dry land" patented technology

The invention discloses a method for biologically remediating a water body and soil comprehensively utilizing resources. The method comprises the steps: (1), determining main pollutants in a selected land area or water body area; (2), selecting to plant and/or cultivate fast-growing herbaceous plants, fast-growing alga, trees, bushes, fungi or microorganisms with high remediation efficiency in the selected land area or water body area; (3), harvesting or collecting the fast-growing herbaceous plants and the fast-growing alga after growing to reach a suitable height or size; (4), concentratedly processing the harvested or collected fast-growing herbaceous plants and the fast-growing alga, and comprehensively utilizing to prevent the pollutants from dispersing; (5), remediating an eutrophic water body by adopting an artificial floating island; (6), remediating a heavy metal polluted water body by confining floating plants; (7), repairing cadmium and zinc polluted soil by mixed-cropping festuca arundinacea and bluegrass; (8), remediating polycyclic aromatic hydrocarbons (PAHs) polluted soil by mixed-cropping alfalfa and italian ryegrass; and (9), extracting and recovering silver from silver-containing wastewater remediation plants.

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.

Slope surfaces of land can be eroded by rain and wind. It is necessary to vegetate a bared slope surface of land for the purpose of erosion control and environmental conservation. The present invention provides a vegetation base soil composition and a method of growing vegetation on a sloped surface for erosion control and vegetating on cut rock slope surface, such as weathered rock surface and barren soil surface. The vegetation base soil includes peat, bio-solids formed by the treatment of urban sewage, for example water treatment plant sediment, woodchip, bark, animal waste compost and clay or loam. The vegetation base soil with a microbes active material, a root activation fertilizer, an adhesive material and seeds are applied over a mesh that is secured over the sloped surface. Plants are grown in the layer of vegetation base soil.

A decoy adapter stand allows a floatable buoyant waterfowl decoy to be adapted for use on land. The decoy adapter stand includes an upper securing bracket, a base, and a vertical spacer joining the upper bracket to the base. The securing bracket is used to secure a floatable buoyant waterfowl decoy to the stand, and the base provides a stable support. In use, the vertical spacer distances the decoy from the surface of the ground, so that the decoy appears to be standing. A first, freestanding embodiment of the decoy adapter stand includes a footed base. A second embodiment of the decoy adapter stand includes a staked base, where portions of the base are insertable into the ground. A method of using the described apparatus to adapt a floatable buoyant decoy for land use is also described.

The invention provides a method through utilization of fast-growing herbaceous plants, of fast-growing alga, or lichen or moss to achieve carbon sequestration. The method includes a first step of planting and/or cultivating the fast-growing herbaceous plants, the fast-growing alga, the lichen or the moss in a selected land area or in a water area, a second step of carrying out harvesting or collecting when the fast-growing herbaceous plants, the fast-growing alga, the lichen or the moss grows to the appropriate height or the appropriate size after a period of time, a third step of carrying out drying on the harvested or collected plants, preferably, carrying out natural drying such as sun drying or air drying to obtain the dry plants, the dry alga, the dry lichen or the dry moss, a fourth step of transporting the dry plants, the dry alga, the dry lichen or the dry moss to a landfill and carrying out landfill, a fifth step of covering a layer of common soil on the final filled plants after the landfill is completed, and a sixth step of recovering vegetations in the landfill.

The invention discloses a method for planting potatoes in dry land in an all-film mulching ridging micro-furrow mode. The method includes the following steps of (1) land selection, (2) soil preparation, (3) fertilizer application, (4) ridging, (5) mulching, (6) seed preparation, (7) sowing, (8) field management, (9) disease insect and weed damage prevention, (10) harvesting and (11) waste film removing. The method has the advantages that (1) the number of rain collecting faces is increased, and the rainfall infiltration rate is increased; (2) soil moisture content on ridges and soil temperature are remarkably increased, and nutritional growth of the potatoes is promoted; (3) the soil moisture content on the ridges in rainy seasons is reduced, high-temperature high-humidity stress is relieved, and disease risks are reduced; (4) the potatoes are planted on the tops of the ridges, soil is loose, and tuber development is promoted; (5) mechanical topdressing is facilitated, and fertilizer can be directly applied to the micro ridges; (6) black mulching film is adopted to cover the whole land, and weed in the field is removed; (7) the rainfall utilization efficiency is remarkably improved, and the potato tuber yield is remarkably increased. The method has wide application prospects for potato planting in dry northwest areas.

The invention discloses a yield-increasing plantation method for a Chinese medicinal material scutellaria root. The method comprises: (1) a method for interplanting the scutellaria root among wide-row crops such as corn and the like; and (2) a method for interplanting the scutellaria root among narrow-row crops such as soybean and the like. By the yield-increasing plantation method for the Chinese medicinal material scutellaria root, the scutellaria root can be promoted to be planted in a large area in a standardized mode, and the method is a high economic benefit mode for planting the scutellaria root in dry land. For the scutellaria root planted by the method, various indexes meet the content requirements of Good Agricultural Practice (GAP), and the method has the advantages of low investment and high benefit. The plantation of the Chinese medicinal material scutellaria root is rapidly developed to meet the increasing social requirements, so that considerable social and economic benefits can be created and a good ecological environment benefit can be brought.

The invention relates to an acidic soil improving agent and an application method thereof. The acidic soil improving agent is prepared by fully and uniformly mixing the following raw materials in percentage by weight: 80-90% of dry carbide slag, 5-15% of plant ash, 1-5% of polyacrylamide and 0.1-0.5% of chitosan, wherein the pH value of a mixture is 12-12.6. The main raw material of the acidic soil improving agent provided by the invention selects the dry carbide slag, thereby realizing comprehensive utilization of industrial solid wastes, having good benefits, turning the wastes into treasures and being in line with national environment-friendly and cyclic economy policies. When the acidic soil improving agent is applied during soil tillage, a soil top application way is adopted in a paddy field and a soil blending application way is adopted in a dry land. The pH value of soil to which the acidic soil improving agent provided by the invention is applied achieves 6-7, the absorption of soil available nutrients by crops is reinforced, the activity of heavy metal ions in the soil can be also inhibited, a soil environment is improved and growth and development of plants are promoted.

The present invention discloses a wet land species diversity habitat system construction method which comprises the steps of: deep water area construction; shallow water area construction, wherein the area with the water depth being less than 50 cm is 30%-50% of the total water area, and abundant flow state environment is built; sandy beach construction; swamp area construction including the steps of planting pieces of emerged plants having developed subterraneous stems in a low-lying swamp area which is waterlogged all year round, or appropriately accompanying plants such as softstem bulrush, cattail, water horsetail and marsh marigold and the like, or alternately planting sedge; and aquatic vegetation zone construction including the steps of coastwise arranging emerged plant zones and floating-leaved plant zones in a land and water interface hydro-fluctuation belt zone so as to form an isolating barrier, the depth into the water being at least 10 meters. According to the method, the biology habitat function of a wet land can be newly built or recovered, a good growth and propagation place is provided for wet land biology, and an appropriate ecological environment is provided for birds, amphibians, fishes and periphyton.

The invention discloses a method for storing moisture and preventing drought in a dry farming spring corn area. According to the method, after autumn crops are harvested, fertilizer applying, deep tillage, rake grinding and applying of chemical herbicide are performed in the late autumn and early winter according to the requirements for sowing plastic-film corn in spring of the next year, a plastic film is timely covered, hole sowing is directly performed on the film during sowing in spring of the next year, and harvest is performed in autumn. The method has the benefits as follows: by means of the provided method for storing moisture and preventing drought in the dry farming spring corn area, the water and moisture storing capacity can be enhanced, the soil moisture environment is improved, sowing in the optimum period and full stand of corn are guaranteed, the stress resistance of corn is enhanced, and the corn yield and the water use efficiency are improved. With the application of the method, the capacity of dry farming spring corn in the north of China in adapting to drying and warming of climate is improved, and the method has a very important significance in stable increase production and high yield of the corn in the dry land.

The invention discloses a ridge film-mulching soil moisture preservation and rainwater collection ditch water collection method based on a dry land fruit tree root system soil hydrothermal environment. Ridges are inwardly made in the vertical projections of crowns, rainwater collection ditches are outwardly dug in the vertical projections of the crowns, fertilization ditches are inwardly dug close to the rainwater collection ditches, black mulching films are spread at the beginning of thawing, and roots are exposed within a range between 3cm and 5cm around the roots of tree bodies; mulching films are spread on the sloped ridge surfaces, and are fixed by longitudinal batten-shaped earth; the films are removed in time in the rainy season in order to keep a good soil environment. The method is based on the rainfall characteristics of local regions, a fruit tree moisture utilization principle and the keeping of a good root zone environment. The technique is easy to operate, the cost is low, and the method has the technical effects of water preservation, water storage, evaporation resistance, centralized moisture utilization, water-promoted fertilization and keeping of the good root zone environment. The method is suitable for apple trees, peach trees, pear trees, grapevines and other fruit trees of different ages in arid regions, and can promote the activity of the root systems of fruit trees and accelerate the growth of saplings and the formation of tree shapes, ensure the stable and increased yield of grown fruit trees and increase the quality of fruits.

The invention discloses a non-tillage, drought-resisting and cold-resisting planting method of winter rapes in dry land. The method includes the following steps: in spring, according to requirements of non-tillage direct sowing of the winter rapes in next season, timely performing spring sowing of corn after fertilizing, deep ploughing, raking and grinding and mulch covering, and not uncovering mulches in the whole growing period of the corn; after harvesting of the corn in autumn, cleaning cornstalks, keeping the mulches, and performing no-tillage hole sowing of the winter rapes on the mulches directly; not uncovering the mulches in the whole growing period of the winter rapes, and harvesting the winter rapes in next summer. The method specifically includes (1), cleaning the cornstalks, (2), sowing, and (3), performing field management. By the method, farming time can be saved, timely sowing of the winter rapes can be realized, soil water content and land temperature after the corn is harvested and the winter rapes are sowed are improved, seedlings are orderly and uniform and grow robustly, processes are reduced, and cost is lowered.

A vivarium and assembly for maintaining an aquatic area, wetlands, and dry land. The assembly is an enclosure for adhering to a transparent sidewall of an aquarium tank to provide sidewalls, a dry wall and a dividing wall positioned between the dry wall and the aquarium tank wall to define an aquatic area by the aquarium tank wall and a wetlands area by the dry wall. The enclosure can be surrounded by dry land area. A filtering system includes a water passage between the aquatic area and the wetland area; a water pump connected for pumping water out of the wetland area and back into the aquatic area; a particulate filter between the wetland area and the pump; and an organic filter in the wetland area, the organic filter being a living wetland plant rooted in a growing medium.

A highly buoyant, lightweight and portable utility table for use in any body of water, such as oceans, lakes, fresh water ponds, containment ponds, water towers and pools, as well as on land as a work bench, or for recreational activities such as camping, picnicking, tailgating and table games. The utility table possesses excellent buoyancy with rigidity and resilience for durability, as well as nautical and aerodynamic stability without external support, and is prominently visible for ease of location and safety. The utility table may have a hollow interior, with molded plastic wall construction. The utility table may alternately be of a single component plastic foam or wood construction. The utility table may also possess legs for use on land. The utility table possesses a predominantly flat work surface on one side, with the opposite side possessing multiple-sized containment cavities, without effecting the table's buoyancy or stability.

The invention discloses a rice dry land pit type seedling culture method, which sequentially comprises seven operation steps of seedling bed selection, soil preparation and compartment forming, seedling bed fertilization and sterilization, seed treatment, seeding, weeding and film covering, and seedling bed management. In the soil preparation and compartment forming step, the compartment opening is carried out according to the compartment length being 1.8m and the compartment width being 1.2 to 1.3m, the width of a passage is 0.5 to 0.6m, the passage is 6 to 10cm higher than the compartment surface, and a water pumping mode can be adopted for irrigating the seedling bed. Compared with a compartment furrow type seedling culture method that the seedling bed can be irrigated only through the manual water carrying, the rice dry land pit type seedling culture method has the advantages that the work intensity of farmers is greatly reduced, meanwhile, the seedling culture method of firstly seeding and then watering is adopted during the seedling, the moisture preservation effect is good, and the sufficient saturation of the seedling bed soil moisture content can be realized through the water pumping irrigation, so the rice seeds sufficiently absorb moisture, the moisture requirement of the rice seeds after the seeding is ensured, the early and fast seedling emerging of the seeds is promoted, and the seedling emerging rate and the seedling emerging regularity of the rice seedlings are improved.

The invention discloses a method for association rule mining of ocean-land climate events with combination of a climate subdivision thought. A Delaunay triangulation network of space data is established and an overall and local long-side constraint is exerted on the space data, so that a reasonable and stable space adjacent relation network is obtained, the similarity of a time series of space adjacent entities is measured, hierarchical clustering is conducted to obtain a hierarchical cluster result, and a good climate subdivision result is obtained on the basis of false-T statistical magnitude analysis; a prior knowledge constraint of a related field is brought in and interested climate events are extracted from ocean climate indexes and land climate zones respectively, so that effective association rules among the ocean-land climate events are mined through exertion of a time window width constraint, a time delay constraint and a sufficiency and necessity constraint. The multi-scale effect can be effectively considered in the mining process so that an effective climate zone can be obtained and high efficiency, pertinence and practicability can be achieved through multiple constraints when the association rules are mined.

The invention provides a high-yield cassava cultivation technology. The high-yield cassava cultivation technology is characterized in that firstly, the planting land is a dry land; secondly, deep ploughing and soil preparation are conducted, and base fertilizer is applied sufficiently; thirdly, good varieties are selected and used; fourthly, thick seed stems are selected and used as cuttage seeds, wherein the seed stems should have vitality and are cut off to be 10-15 centimeters long, and the cut seed stems are soaked in ambam or lime water for disinfection; fifthly, planting is conducted at proper time, wherein when the daily average temperature is above 15 DEG C, planting can be conducted, and manure is applied and buried between every two seed stems; sixthly, growing period management includes filling of the gaps with seedlings, thinning, weeding and after-manuring; seventhly, pest control is conducted, wherein bisultap or carbofuran and fine soil are mixed and applied, or methamidophos is used for trapping and killing pests, and application of the fertilizer is stopped two months before harvesting; eighthly, harvesting is carried out at proper time in autumn, and the root yield and starch content will be lowered if harvesting is conducted too early or too late.

The invention relates to a planting method of peas. The planting method comprises the following steps: 1 sterilizing before seeding: selecting seeds with 40% saline water and mixing the peas with nodule bacteria; 2 growing seedlings: paving seedling growing soil in each large hole of a seedling growing disc; digging a small hole and putting the seeds; covering a mulching film; 3 cultivating land and fertilizing: selecting the land; planting in the land which is precisely ploughed, is slightly wet, is a dry land and has high organic matter content; applying farm manure chemical fertilizers and dyfonate particles, and building a furrow after raking; 4 transplanting: transplanting in sunny days; 5 inserting a bracket in a growth period and partially and manually leading a vine; 6 fertilizing and carrying out moisture management: fertilizing for multiple times and irrigating, wherein immersing irrigation is not used and a compound fertilizer and potassium chloride are used as main fertilizers during the growth period; and 7 harvesting: harvesting the peas in batches, applying the fertilizers for one time while harvesting for one time.

The invention relates to an automatic land and sea template segmentation method based on scanning line detection and the application of the automatic land and sea template segmentation method. The automatic land and sea template segmentation method comprises the steps that (1) a high-resolution visible light port remote-sensing image to be detected is input and is re-sampled; (2) sea surface seed points are detected for the re-sampled port remote-sensing image; (3) among the obtained sea surface area seed points, all points with the gray values meeting following conditions in the adjacent area are searched for, wherein the conditions include that the difference between the pixel gray of the point and the gray of the adjacent seed point is not larger than 2, and the difference between the pixel gray of the point and the gray of the initial seed point is not larger than 8; the pixel points meeting the conditions are the sear surface area, and the other area is set as a land area; (4) the sea area and the land area are binarized; (5) morphological processing is carried out to obtain a land and sea segmentation template after the port remote-sensing image is re-sampled; (6) interpolation is carried out on the re-sampled land and sea segmentation template, and a land and sea template as big as the original remote-sensing image is obtained. The automatic land and sea template segmentation method based on scanning line detection and the application of the automatic land and sea template segmentation method can be widely applied to a sea surface target screening process of various civil and military fields.

A method and an apparatus for detecting the remote origin fraction of ²²²Rn present in a measuring site (Z) for the monitoring of dynamic phenomena inside the land crust, comprising the following steps: a) analysis of the measuring site (Z) in order to state a typical ratio between ²²²Rn of local origin and ²²⁰Rn of local origin; b) measurement, at preset time intervals, of alpha spectroscopy in the measuring site (Z) by means of an appropriate measuring chamber (2); c) processing of said alpha spectroscopy in order to find the concentrations of ²²²Rn and ²²⁰Rn present in the measuring site (Z); d) determination of the concentration of ²²²Rn of local origin by multiplying the concentration of ²²⁰Rn with the typical ratio; subtraction of the concentration of ²²²Rn of local origin from the concentration of ²²²Rn to obtain the concentration of the remote origin fraction Of ²²²Rn.

The invention discloses a double-body movable culture work ship. The ship is characterized by comprising a first ship body, a second ship body and a plurality of lifting net cages, wherein the first ship body and the second ship body are oppositely arranged at the side faces of the ship and used for providing main buoyancy, and the lifting net cages are arranged between the first ship body and thesecond ship body and connected with the two ship bodies; and closed circulating water industrial aquaculture of small-size fishes is carried out in the two ship bodies, and wild aquaculture of large-size adult fishes is carried out in the lifting type net cages in a relaying manner. According to the ship, the advantages of a closed culture mode and an open culture mode are organically integrated,and offshore wild culture from the small fries to the adult fishes is achieved. Compared with open type net cage culture, marine culture can be started from the small-specification fish fries, the pressure of land or near-shore net cage culture on the environment is reduced, and meanwhile the marine transportation cost of large-specification fishes is reduced; and compared with full-closed type culture, the ship has the advantages that low-density open type wild culture is adopted in later-stage culture, and the quality and selling price of bred fishes are higher.