226results about How to "Saving water for irrigation" patented technology

A network-type multifunctional autoamtic irrigation method features that the irrigation is quantitatively and timely performed according to the moisture of soil and its management system software module is designed, which contains initial parameters, autoamtic operation, random operation, operation state, history data, and failure alarm and treatment. The system is composed of PC, central controller, communication repeater, and sampling controller. It can be used in the-range of 1-5 km.

The invention discloses a functional rainwater garden applicable to a sponge community. The functional rainwater garden comprises a pre-percolation layer, a water storage layer and an overflowing facility, wherein the pre-percolation layer comprises an annular edge slope arranged at the periphery of the garden; a zeolite-active carbon filtering system is laid on the annular edge slope; a part, far away from the garden, of the annular edge slope is higher than a part close to the garden; the water storage layer comprises a covering layer, a planting soil layer, a percolation layer and a filling layer which are arranged in sequence from top to bottom; an overflowing pipe of the overflowing facility penetrates into the water storage layer along the vertical direction; an overflowing hole of the overflowing facility is higher than the water storage layer. According to the functional rainwater garden, a multi-grade percolation system composed of the pre-percolation layer, an active carbon layer and the water storage layer has the effects of filtering, precipitating, permeating and adsorbing rainfall runoff, carrying out ion exchange, biodegradation and plant absorption and the like, and pollutants including heavy metal, organic matters, nitrogen and phosphorus and the like in the runoff are reduced, so that absorption and purification of the runoff are realized; water for greenbelts is reduced, and urban waterlogging and municipal drainage pressure are alleviated; a heat island effect is alleviated and an ecological city is constructed.

The invention relates to a light, simple and efficiency cultivation method for cotton. Straw-like light seedling raising medium is filled in paper cylinder and pot or paper plug or nonwoven fabric bags for raising cotton seedlings, and mechanical sowing, transplanting and cotton harvesting can be performed. The light, simple and efficiency cultivation method has the characteristics of labor conservation, cost conservation, high yield and high efficiency, requires small investment, makes operation easy, avoids environment pollution and is a new method for large-scale cotton production with bright promotion and application prospects.

The invention discloses a production method and application of sandy land conditioner made from bentonite. The production method and application include the steps of firstly, purifying and modifying bentonite, and adding special additive to produce sandy land conditioner; secondly, manually or mechanically evenly scattering the sandy land conditioner to sandy soil surface of leveled sandy land, dry farmland or arid farmland; thirdly, using a rotary tiller to perform rotary tillage so as to evenly mix the sandy land conditioner and the sand soil inside topsoil; and fourthly, fully irrigating with water to enable the sandy land conditioner to absorb water and turn adhesive so that the sandy land conditioner is well combined with the sand soil to form soil aggregates, thereby achieving water saving, water holding, fertilizer holding, wind proofing and sand stabilization and increasing yield of planted crops. The sandy soil conditioner is mainly used for modifying sand soil, dry farmlands and arid farmlands, and can also be used for modification of saline-alkali soil, impoverished soil, yellow mud soil and easily caking soil, desertification control and various sand stabilizing projects. The sandy land conditioner is more effective in application to rice planting.

The invention provides an ecological grass planting trench for cities with rich water resource, which is arranged on one side of a sidewalk road. The ecological grass planting trench sequentially comprises a vegetation layer, a planting soil layer, a building block brick layer, a water permeating and discharging pipe and a gravel layer from top to bottom. The ecological grass planting trench is arranged on one side of the sidewall road and used for collecting rainfall running water on the sidewall road, the pollutants in the running water can be reduced, and a purpose for locally purifying the running water and controlling the pollution of the running water can be achieved; the ecological grass planting trench is arranged between the sidewall road and a green land, so that not only is the landscape not influenced, but also convenience in construction can be realized; the rainfall running water is stopped in the gravel layer and gradually and slowly permeated, finally the water content of the soil of the green land is replenished, the rainfall running water can be completely absorbed and purified, and the water for irrigating the green land can be reduced; the lower end of the water permeating and discharging pipe is connected with a rainy water opening or a rainy water well, the other end of the water permeating and discharging pipe is closed, so that the collected rainfall running water on the sidewalk road can be collected into the rainy water opening or the rainy water well, and a purpose for reducing the rainfall running water and postponing the flood peak can be achieved.

The invention relates to a modular multifunctional roof greening device, which is assembled by a base plate arranged on the top surface of the roof, a hollow communicating pipe, a strip clamp and a cross clamp; hollowing footings are distributed evenly at the bottom of the base plate, and reinforcing ribs are arranged on the inner wall and the soleplate of the base plate; the middle part of the base plate is provided with a square groove which is communicated with draining holes at the four sides of the base plate; a portal cover plate is sheathed and inserted at the upper end of the square groove, the two sides of which are provided with an overflow hole and card slots arranged at the two sides of the overflow hole; a filtering box is inserted in the card slot; and a slot used for placing a water level regulating board is arranged in the square groove. The modular multifunctional roof greening device has simple manufacture and fast construction, can be used for planting flowers, grass and trees, etc., has high survival rate of plants, obvious water-saving and convenient maintenance and management, can be used for greening of the roof, can also be used for room greening and stereoscopic agriculture, etc. and has multiple actions of protecting the roof of buildings, greening the city space, insulating heat, keeping the temperature, preventing water and collecting and using the rainwater.

The invention discloses a device and a method for quality-based rainwater collection, treatment and utilization. The device comprises an early-stage rainwater pond (1), an early-stage rainwater treatment plant bed (2), a middle-later-stage rainwater enhanced treatment bed (3) and a clean water pond (4) which are arranged under the ground, wherein the upper part of the early-stage rainwater pond (1) is communicated with the middle-later-stage rainwater enhanced treatment bed (3), the lower part of the early-stage rainwater pond (1) is communicated with the early-stage rainwater treatment plantbed (2) and the middle-later-stage rainwater enhanced treatment bed (3) is communicated with the clean water pond (4). The separation of seriously polluted early-stage rainwater and middle-later-stage clean rainwater is realized. By confining the early-stage polluted rainwater in the early-stage rainwater pond, the middle-later-stage clean rainwater is prevented from being polluted. On the basis of further enhanced treatment of the middle-later-stage clean rainwater, the rainwater is collected and stored and is used for greenery irrigation, road sweeping and the like. The resource utilizationof the rainwater is realized and the water resource is saved.

The present invention relates to a water-saving cultivation method of multicrop water dropwort. Said method includes the following steps: making the water dropwort seedstem be budded, applying organic fertilizer in greenhouse, after the seedling is rooted, covering with plastic film, heat-insulating, when the water dropwort is grown to 20-50 cm, harvesting and remaining 1 cm stub, the applying quickly-acting fertilizer to make plant short stem sprout and form new seedling, promoting growth of new seedling and making secondary harvest.

The present invention discloses a system used for plant root system infiltrating irrigation and soil drainage, and aims to solve the problem of water resource waste and poor irrigation effects of conventional irrigation methods. The system comprises a water collecting pipe and a water drainage belt disposed on the water collecting pipe and used for guiding water into or out of the water collecting pipe, two ends of the water collecting pipe are provided with a water inlet valve and a drainage control valve, the water drainage belt is a belt-shaped member and is disposed under the ground, and at least one side of the water drainage belt is provided with a plurality of small-bore water collecting and draining troughs which are arranged in a spaced manner along a belt width direction and extend along a belt length direction in an overall length manner. With coordination of the water collecting pipe and the water drainage pipe, water flows in the water collecting pipes are guided nearby roots of the plants through the water drainage belt, so as to directly irrigate a plant root system. Residual water of soil at the root areas of the plants can also be drained, thereby realizing plant root system infiltrating irrigation and soil drainage function.

The invention discloses a double-cropping rice based ecological ditch cultivation method for triple-cropping winter crops, aiming to solve the problem about crop straw returning to field, soil aeration and water and fertilizer coupling. The double-cropping rice based ecological ditch cultivation method includes the steps of 1), executing ditching engineering in a late rice field; 2), performing water management before harvesting late rice; 3), treating late rice stalks; 4), utilizing a chained ditcher to clean ditches and spread out mud; 5), planting winter crops; 6), performing field management; 7), harvesting the winter crops. The double-cropping rice based ecological ditch cultivation method has the advantages that an arable layer structure of soil is changed; full amount field returning and deep burying treatment of the crop straws can be realized at one step, and meanwhile, fertilizer is deeply applied, utilization rate of the fertilizer can be increased; water content of ditch soil is lowered, soil aeration is improved, and utilization rate of natural precipitation can be improved; no-tillage and non-straw burning of the winter crops are realized, and ecological effect is obvious in that operation energy consumption, haze and irrigation water can be reduced.

The invention discloses a method for preparing liquid fertilizer for saline and alkaline land irrigation from biogas slurry. The comprehensive utilization value of the biogas slurry is remarkably improved through a three-time anaerobic fermentation process, high-valued and innocent treatment and resource utilization of the biogas slurry are achieved, the biogas slurry is used for agricultural development of saline and alkaline land, and the grain yield increase capacity of the saline and alkaline land is improved. The liquid fertilized prepared through the technology has a slight tart flavor, has no stink smell, and contains rich nutrient elements, amino acid, humic acid, auxin, hydrolase, vitamin, probiotics and other bioactive substances, wherein the index of the content of microorganisms reaches 109,000,000,000/mL, and the pH ranges from 6.0 to 6.5. When the liquid fertilizer is applied to improvement in the saline and alkaline land, the physical and chemical structure of salinity soil can be remarkably improved, soil aggregate is increased, soil permeability is improved, soil fecundity is improved, and the grain yield increase capacity of the saline and alkaline land is improved. The liquid fertilizer is an excellent soil modifier and an excellent crop growth accelerant and is ideal fertilizer for saline and alkaline region soil improvement for grain yield increase.

The invention provides a water storage-type city road isolation belt having ecological purifying function. The water storage-type city road isolation belt comprises a U-shaped water permeable tank, curb bricks, discharge drains, discharge drain cover plates, an ecological purifying case and plants. The U-shaped water permeable tank is arranged below the center ground of the isolation belt, plants are planted in the U-shaped water permeable tank, the curb bricks are arranged at two sides of the upper surface of the U-shaped water permeable tank; the discharge drains are arranged at two sides of the U-shaped water permeable tank; the discharge drain cover plate is arranged at the top of the discharge drain; and ecological purifying case is arranged at one side of the bottom of the discharge drain close to the U-shaped water permeable tank. The apparatus has safety protection function as the common road isolation belts, can effectively degrade the pollutant carried by raining flow on the pavement, reduces the burden of downstream sewage processing, has water storage and soil moisture retention functions, prolonging the plant maintenance period for the road isolation belt, and saves the water used for irrigation. The road isolation belt has the advantages of simple manufacture, low cost, and convenient enforcement, and is suitable for all kinds of the city roads.

A cold-proof vertical greening device is characterized in that a flowerpot body provided with two cavities and a profile used for holding the flowerpot body are included, and the profile is of a C-shaped steel shape and is provided with folded edges turning outward to form two symmetric guide rails; the flowerpot body comprises a planting cavity and a heat storage cavity, the two cavities are isolated through a partition board, and grooves capable of containing the profile guide rails are formed in the combination portions of the outer surfaces of the two sides of the planting cavity and the heat storage cavity; a part of the heat storage cavity of the flowerpot body is contained in the profile; the guide rails of the profile are provided with a transparent slide cover of the same shape as the planting cavity, the transparent slide cover is arranged outside the planting cavity, longitudinal edges of the transparent slide covers are embedded in the guide rails of the profile, and a structure capable of surrounding the planting cavity and sliding up and down along the guide rails is formed. The cold-proof vertical greening device is simple in structure, convenient to install, especially in winter, heat preservation and winter protection of building walls and plants can be achieved at the same time, and good growth environment and ornamental environment of the plants are guaranteed.

The invention discloses a double-cropping rice based ecological ditch direct-seeding cultivation method for triple-cropping late rice, aiming to solve the problem about crop straw returning to field, soil aeration and water and fertilizer coupling. The double-cropping rice based ecological ditch direct-seeding cultivation method includes the steps of 1), executing ditch engineering in an early rice field; 2), performing water management before harvesting early rice; 3), treating early rice stalks; 4), allowing a chained ditcher to clean ditches and spread out mud; 5), directly seeding late rice; 6), performing field management; 7), harvesting the late rice. The double-cropping rice based ecological ditch direct-seeding cultivation method has the advantages that an arable layer structure of soil is changed; deep application of fertilizer is benefited and utilization rate of the fertilizer is beneficially increased; water content of ditch soil is lowered, soil aeration is improved, and utilization rate of natural precipitation can be improved; no-tillage, no-stubble cleaning, no-straw burning and no-filling and soaking of field water of the late rice transplanting are realized, ecological effect is obvious in that operation energy consumption, haze and irrigation water can be reduced, and pesticide stubble cleaning is omitted.

The invention discloses an oilseed rape and wheat stubble hybrid rice water saving direct sowing cultivation method based on smashing, burying and retuning to field of preceding crop straw, wherein the cultivation method combines agricultural machinery with the agricultural technology closely. Appropriately-precocious, high-yield, stress-resistant and high-quality rice and oilseed rape or wheat varieties are selected, after the oilseed rape or wheat is mature, straw smashing during machine harvesting or separate straw smashing after harvesting is adopted, the smashed straw is buried in the field through mechanical farming, direct sowing of hybrid rice is carried out through sowing machines or workers under non-irrigation conditions, emergence and growth of rice seedlings are guaranteed under non-basin irrigation conditions, field management measures similar to normal rice cultivation are not taken until the three-leaf stage of the rice seedlings, and the yield equal to or higher than that of local seedling raising and transplanting rice under equal conditions is obtained finally. The hybrid rice water saving direct sowing cultivation method based on smashing, burying and retuning to field of the preceding crop straw realizes light and simple returning to field and effective utilization of oilseed rape and wheat straw, can substantially save water for rice irrigation and avoid seasonal water consumption peaks and water competition contradictions in rice production in arid regions, and realizes cost-reducing efficient ecological rice cultivation.

The invention discloses a full-biocontrollable degradation multifunctional agricultural weeding and soil moisture-preserving mulching film. The full-biocontrollable degradation multifunctional agricultural weeding and soil moisture-preserving mulching film is prepared from the following raw materials in percent by weight: a dandelion extract, defatted soybean meal, modified polyamide-amine, 17-33parts of modified starch, micro-crosslinked polyvinylpyrrolidone, corn protein, carboxymethyl cellulose, a modified polyacrylic copolymer, sodium alginate, carob bean gum, a polyoxyethylene/polyoxypropylene copolymer, modified sodium polyacrylate, acetophenone, sodium tripolyphosphate, sodium hexametaphosphate and succinic anhydride. The mulching film disclosed by the invention can achieve the purpose of controlling the degradation rate by controlling the crosslinking degree, not only has the heat-preserving and moisture-preserving functions, but also can be completely biodegraded after use, eliminates the pollution of residual fragments of an ordinary mulching film to soil, has outstanding weeding and insect-repellent effects, can greatly reduce the using amounts of fertilizers and pesticides, reduces the cost, protects the ecological environment, preserves soil moisture and extirpates weeds.

An irrigation device used for row crop comprises a water injection device and a water conveying device which is connected with the water injection device through water pipe. The water injection device comprises a spray pipe and a nozzle fixed at the end of spray pipe. The spray pipe is fixed on a bracket and is installed in parallel with the ground. The nozzle which is fixed at the end of spray pipe is installed with a radial closed impeller. The irrigation device which is used for row crop according to the invention installs the spray pipe in parallel with the ground. Furthermore the nozzle is installed with the radial closed impeller. The water injected from the nozzle is sprayed between the crop rows with a strip shape after scattered by the impeller for directly moisturizing the crop root. The arrangement mode of device in the field adopts a mode of interlaying collocation of spraying units for realizing non-equal irrigation. The water is sprayed on half land under the precondition that all crops are irrigated. The irrigation water is greatly saved and the production cost of foodstuff is reduced.

The invention discloses a drought-resistant and water-holding coated fertilizer for strawberry. The coated fertilizer is characterized by being prepared from the following raw materials in parts by weight: 34-38 parts of melia azedarach seeds, 30-35 parts of garlic bulb, 23-27 parts of urea, 16-22 parts of ammonium phosphate, 12-16 parts of potassium sulfate, 10-14 parts of humic acid, 1-2 parts of polyacrylamide, 15-19 parts of ligneous plant fiber, 13-17 parts of coconut shell plant fiber, 8-13 parts of paraffin, 6-13 parts of waterborne acrylic resin, 5-7 parts of nano-kaolin, 4-7 parts of nano-montmorillonite, 1-2 parts of tea saponin, 0.3-0.8 part of zinc borate, 5-7 parts of EM bactericide, 7-10 parts of soil improver and a proper amount of water. According to the fertilizer, the plant fibers have the effects of significantly improving the physicochemical properties of soil, reducing capacity, relieving the hardening condition of soil, improving the water holding capability of soil and the utilization rate of water and saving irrigation water; the nano powder and the humic acid have the effects of holding water and fertilizer, improving the drought resistance of crops and increasing the category and quantity of microbes in soil; the tea saponin has the effects of killing pests and bacteria and promoting the growth of crops, is biodegradable and does not pollute the soil; and a water absorbent added in a coating agent can absorb moisture during much rain and release moisture during drought, so that the irrigation frequency is reduced, the cost is reduced and the income of peasants is increased.