146results about How to "Lower irrigation costs" patented technology

The invention belongs to the technical field of fertilizers and specifically relates to a water-retention and slow-release fertilizer. The water-retention and slow-release fertilizer comprises the following raw materials in parts by weight: 70-80 parts of coated slow-release fertilizer or low-solubility slow-release fertilizer, 15-20 parts of water retention agent, 1-2 parts of biological bacteria, 5-10 parts of humic acid and 5-15 parts of soil conditioner. The prepared water-retention and slow-release fertilizer disclosed by the invention has the advantages of low cost and simplicity and convenience in application, and can adjust the water absorbency of the fertilizer according to different crops, soil, climate and other conditions and be widely applied to grain crops, cash crops, horticultural plants and the like. The water-retention and slow-release fertilizer disclosed by the invention has long effective period, and can greatly reduce the loss of the fertilizer caused by volatilization and eluviation, enable the limited fertilizer and water to be fully absorbed and utilized by the plants, achieve the integration of the water and the fertilizer and improve the soil. Through the application of the water-retention and slow-release fertilizer, the irrigation cost of farmland can be reduced and the high-efficient water conservation purpose can be achieved. The water-retention and slow-release fertilizer disclosed by the invention can greatly improve the utilization rate of nutrients and effectively control the pollution of the crops and an environment caused by the application of the fertilizer.

The invention relates to a vertical greening method and a plant curtain wall formed by using the same, in particular to a vertical wall body greening method and a plant curtain wall formed by using the same. The vertical wall body greening method comprises the steps of conducting water culture domestication on flower and plant seedlings; planting the domesticated flower and plant seedlings in a fixed planting basket, culturing for one month in a water culture pool to cultivate grown-up water-cultured flower and plant seedlings; hanging a fixed planting substrate on a wall body to be greened, arranging at least one fixed planting well on the wall body, arranging a water pump in an irrigation tank, and irrigating the fixed planting well by the irrigation tank through a pipeline; placing the fixed planting basket into the fixed planting well, conducting automatic circulation irrigation and fertilization application on the fixed planting well through a pipeline system, thus completing the vertical wall body greening. According to the method, cultivating is utilized firstly, then the cultivated flower and plant seedlings are hung on the fixed planting substrate, the fixed planting substrate can be made very thin, thus being small in occupied space (about 10cm thick) and low in price (800-1300 yuan per square meter); and the greening method is simple to construct, clean and attractive in appearance, and simple and convenient to cultivate and change.

The invention relates to a preparation method of straw-based super absorbent resin with a nitrogen phosphorus fertilizer slow-release function. The straw-based super absorbent resin with the nitrogen phosphorus fertilizer slow-release function is super absorbent resin having a semi-interpenetrating network structure, which is obtained by steps of carrying out graft copolymerization on cross-linked polymers (wheat straw, acrylic acid and polyvinyl alcohol) under the action of an initiator and a cross-linking agent to form a three-dimensional network polymer and interpenetrating with the cross-linked polymer polyvinyl alcohol simultaneously, wherein a part of the added nitrogen fertilizer reacts with acrylic acid, and the other part is subjected to a self-condensation reaction to be embedded in the resin; and the added phosphorus fertilizer is directly embedded in the resin in the own shape. The straw-based super absorbent resin with the nitrogen phosphorus fertilizer slow-release function prepared by the method disclosed by the invention has the advantages of good absorbent performance, salt resistance and the performance of continuously providing fertilizer for crops, high strength, low cost, simple and convenient production process and can be widely applied to agricultural water retention and fertilizer application.

The invention relates to fertilizers, and in particular relates to a slow-release water supply type fertilizer and an application thereof. The slow-release water supply type fertilizer comprises the following components: water and fertilizer together accounting for 94-99.5 percent in total, a thickening agent accounting for 0.50-5.00 percent in total, and a slow release agent accounting for 0.00-1.00 percent. Moisture and fertilizer nutrients contained in the slow-release water supply type fertilizer provided by the invention are slowly released to the root of a plant through biodegradation effects, so that soil is capable of providing the moisture and the nutrients to the plant for a long period of time.

The invention relates to a greenhouse water-fertilizer-gas integrated intelligent irrigation and waste liquid recovery system. The system comprises a control unit, and a water supply unit, a water-fertilizer coupling unit and an irrigation unit connected sequentially through a pipeline; a disinfection and air-entrapping unit is further installed between the water-fertilizer coupling unit and the irrigation unit, the outlet end of the irrigation unit is connected with the inlet end of a waste liquid backflow treatment unit, and the inlet end of the irrigation unit is connected with the outlet end of the waste liquid backflow treatment unit through the pipeline; the disinfection and air-entrapping unit comprises a magnetizing device, an air-entrapping and disinfection device and a gas-liquidmixing pump; the air-entrapping and disinfection device comprises an air purifier and a gas pump connected with the inlet end of the air purifier; a control system comprises a controller and a human-machine interaction interface. Compared with the prior art, disinfection treatment is conducted before air-entrapping treatment, which promotes the respiratory efficiency of plant roots and reduces the risk of plant root poisoning, and by recycling waste liquid, environmental pollution and resource waste are reduced.

The invention relates to a large storage amount water storing and draining plate suitable for roof greening. The large storage amount water storing and draining plate comprises a plastic plate face, honeycomb water storing bottles, communicating grooves, draining holes, supporting columns, non-woven geotextiles and water absorbing belts. The plate face, the water storing bottles, the communicating grooves and the supporting columns are all made of high density polyethylene (HDPE) plastic base plates after stamping. The water storing bottles are arranged on the plate face in a honeycomb mode and connected through the communicating grooves. The water storing space is large, and meanwhile uniform water distributing is achieved. The draining holes are formed in the plate face. The supporting columns are arranged below the plate face. One layer of the non-woven geotextiles is adhered on the plate face and the bottom of the each bottle correspondingly. The water absorbing belts are arranged in the position, of the communicating grooves, of the geotextiles of the plate face and stretch in the bottoms of the bottles in the position of the water storing bottles. The structure is reasonable, forming is convenient, construction is convenient, maintenance is simple, the mechanical property is good, universality is high, system adaptability is strong, and meanwhile the multiple functions of water storing, water draining, filtering, ventilating, heat insulation, noise reduction, root thorns resisting and the like are achieved; and stored rainwater can be utilized to replenish water for a matrix.

The invention provides a water-saving irrigation device and method applicable to an irregular region. Through reasonable arrangement of sprinkler nozzles and real-time control over the elevation angles of the sprinkler nozzles, different sprinkling irrigation shapes can be formed in a sprinkling mode, and gapless complete coverage within a certain region is achieved. According to the water-saving irrigation device and method applicable to the irregular region, the problem that irrigation is limited in residential areas and agriculture and garden landscape because the distribution shapes of plants are irregular is solved, irrigation efficiency is improved, the irrigation cost is reduced, and the water-saving irrigation device and method applicable to the irregular region have important significance in quicker development of the agriculture and garden irrigation technology in China, and improvement of the modernization and intelligence level of the irrigation technology in China.

The present invention discloses a solar energy self-produced fresh water planting device capable of using seawater for direct irrigation and belongs to the technical fields of solar energy concentration utilization and new agricultural facilities. The planting device is composed of a concentration reflector, a seawater tank, a condensation cavity, planting cavities, etc.; the planting cavities areprovided with water absorbing materials and soil; sunlight enters the device from a transparent cover plate on the upper part of the device, and is reflected by the reflector inside the device and directly projected into the seawater tank through a lower light-transmitting plate; seawater in the seawater tank absorbs the sunlight and thus temperature of the seawater is improved to finally realizea seawater evaporation process; steam condenses into fresh water on the inner surface of the condensation cavity; the fresh water is transported to the bottom parts of the planting cavities; the planting cavities are provided with the water absorbing materials; the water absorbing materials absorb water by capillary functions; and water is transported to the planting soil in the upper part for crop growth. The device integrates a seawater desalination system and a plant planting system into a whole structure and can be spliced in large quantities to achieve large-scale seawater desalination or crop planting by using the seawater.

The invention discloses an agricultural water conservation irrigation system and a water conservation irrigation method thereof. The system comprises an irrigation water storage box, a filtering device and an irrigation water pipe; a water outlet of the irrigation water storage box is communicated with a water inlet of the filtering device; the irrigation water pipe comprises a main water pipe, aground irrigation water dividing pipe and an underground irrigation water dividing pipe, and a water outlet of the filtering device is communicated with a water inlet of the main water pipe; a water outlet of the main water pipe is communicated with water inlets of the ground irrigation water dividing pipe and the underground irrigation water dividing pipe; the ground irrigation water dividing pipe is provided with a first liquid spraying structure, and a second liquid spraying structure is arranged on the underground water dividing pipe; irrigation water in the irrigation water storage box isscattered to agricultural soil through the first and second liquid spraying structures. According to the system, two manners of ground irrigation and underground irrigation are arranged, reasonable irrigation can be conducted under the water scarcity situation of each time section of the crops in agricultural soil, and the purpose of maximum water conservation is achieved.

The invention discloses a novel valve. The novel valve comprises a valve body which comprises a valve bonnet and is provided with a water inlet channel, a water outlet channel and a valve cavity for mounting of a valve core. The valve core is used for abutting against a valve seat in the valve body to block the water inlet channel and the water outlet channel. The valve core comprises an elastic part and abuts against the valve seat by the aid of the elastic part throughout. An elastic membrane is further connected between the valve core and the inner wall of the valve cavity and divides the valve cavity into an upper cavity body and a lower cavity body. An auxiliary opening device is further arranged on the valve body and comprises an auxiliary valve cavity formed in the valve body. A pulling part for pulling the valve core is arranged in the auxiliary valve cavity and connected with the valve core. The pulling part is driven by fluid entering the auxiliary valve cavity. The novel valve further comprises a switching assembly. A main water inlet way is arranged between the water inlet channel and the switching assembly. The switching assembly is used for controlling water inlet of the auxiliary valve cavity and water outlet of the upper cavity body, or water inlet of the upper cavity body and water outlet of the auxiliary valve cavity. By means of the novel valve, low-pressure opening can be achieved, and energy consumption of an irrigation system is lowered.

The invention discloses a water-saving planting device for road-region vegetation in an arid area. The device consists of an open vegetative container and a layered packing layer; the layered packing layer is formed by arranging a plant fiber layer, a water-retaining nutrient soil layer for seeding, a biodegradable plastic thin film with a plurality of air holes and a grass blanket layer in the open vegetative container from bottom to top in sequence. The device disclosed by the invention can lock moisture, prevent moisture evaporation or leakage, maintain the necessary moisture content required for road-region vegetation growth for a long time, improve the survival rate of the vegetation and reduce the irrigation cost.

The invention discloses a hillside rainwater collection system; a plurality of collection portions of same structure are arranged beside a hillside inclined rainwater channel; every collection portion is communicated with the hillside inclined rainwater channel; a filter trough is arranged between each collection portion and the hillside inclined rainwater channel; each collection portion includes a water tank and more than three water reservoir units which are of identical structure; each water reservoir unit includes a base platform, a support, a reservoir portion base, a reservoir portion pipe, an end cover and a reservoir portion fixing mechanism, the reservoir portion is integrally connected to the reservoir portion pipe, and the reservoir portion base is rotary. The hillside rainwater collection system with the structure allows rainwater to be utilized, mountain crop irrigating cost is reduced, and the yield and quality of mountain crops can be increased.

The invention relates to a low-voltage pressure and flow regulator, which is a T-shaped tee, the longitudinal pipe end is the water inlet end, the two transverse pipe ends are the water outlet ends, a platform is arranged in a longitudinal pipe or on a transverse pipe in the junction of the longitudinal pipe and the transverse pipe, and a flow passage is arranged in the middle of the platform; and a raised support frame is further arranged on the platform, an elastic gasket is covered on the support frame, and a gap is retained between the elastic gasket and the pipe wall. By adopting the low-voltage pressure and flow regulator, uniformity, safety and reliability of irrigation of a drip irrigation system are greatly improved; and the using quantity of field materials of the system is greatly reduced, construction, mounting, operation and management are convenient, the auxiliary pipe rotational irrigation way which is widely used in China is abandoned, large branch rotational irrigation is realized, and a foundation is laid for high-frequency irrigation and automatic drip irrigation.

The present invention provides an irrigation system. The irrigation system includes a supply module, a transport pipeline, a spraying module, and a control module. The supply module includes a plurality of supply apparatuses for storing a plurality of feeding liquids. The control module controls the supply module to provide different feeding liquids at different time, and the different feeding liquids pass through a same segment of the transport pipeline at different time and flow to an irrigation area. The present invention further provides a method for controlling an irrigation system, and a control module controls different feeding liquids to pass through a same segment of a transport pipeline at different time and flow to an irrigation area. In the irrigation system, by using a same segment of the transport pipeline at different time, a quantity of pipelines of the irrigation system is reduced, so as to lower difficulty of arrangement of pipelines by a user, avoid affecting appearance, and reduce costs of the user.

The invention relates to the technical field of ecological agricultural irrigation, in particular to a water-saving irrigation method. The method includes the following steps of determining the optimal water demand according to the plant type; secondly, laying an irrigation facility; thirdly, installing a soil humidity measuring mechanism on a main pipeline; fourthly, conducting irrigation, namelya control center compares humidity sensor data with the optimal soil humidity, when the humidity sensor data is smaller than the optimal soil humidity data, a valve is switched on, a pump body acts,plants are irrigated, a humidity sensor continuously sends soil humidity data detected by the humidity sensor to the control center in the irrigation period, and when the soil humidity data detected by the humidity sensor is larger than or equal to the optimal soil humidity data, the pump body stops acting, the valve is switched off, and irrigation is stopped; fifthly, installing an alarm and a timer on the control center.

The invention discloses liftable type water taking equipment capable of automatically cutting off water, and belongs to the technical field of irrigation. The water taking equipment comprises a tapered tube, an inner tube, an outer tube, a fixed rod, a hollow sphere and a long tee joint. The inner tube is arranged on the inner part of the outer tube, and is in sealing contact with the upper end of the outer tube; the hollow sphere is in contact with the lower end of the inner tube; the fixed rod is fixed on the inner part of the outer tube; the rod body of the fixed rod penetrates through a through hole of the hollow sphere and a groove from bottom to top in sequence; the inner diameter of the through hole is greater than the outer diameter of the rod body; the lower end of the outer tube is connected with a water conveying pipeline; a side tube body of the long tee joint is connected with an irrigation system; when the inner tube is positioned underground, the tapered tube is arranged at the upper end of the inner tube and on the outer part of the outer tube; when the inner tube is positioned on the ground and the water taking equipment takes water, a lower tube body of the long tee joint extends into the inner part of the inner tube and is in contact with the hollow sphere; and the groove is separated from a first baffle block. The water taking equipment provided by the embodiment of the invention has a function of automatically cutting off water, is buried underground in a non-irrigation state, and is convenient to use.

The invention discloses a hanging-type irrigation shower nozzle, which comprises a vertically-hung water inlet pipe, an upper shell and a lower shell, wherein the lower part of the upper shell and the upper part of the lower shell are locked by a thread; the lower end of the water inlet pipe is provided with an annular flange; the middle of the upper part of the upper shell is provided with a ladder-shaped mounting hole; the lower part of the water inlet pipe is penetrated in the ladder-shaped mounting hole; a first gasket, a first rotary ring, a second rotary ring and a second gasket are successively arranged between the upper end surface of the annular flange on the lower end of the water inlet pipe and the lower end surface of the big hole of the mounting hole of the ladder-shaped mounting hole of the upper shell; the lower end of the lower shell is also provided with an annular flange; the outer peripheral face of the lower shell is sheathed with a water outlet ring; the outer peripheral face of the water outlet ring is provided with a plurality of water outlet end surfaces at intervals; the outer peripheral face of the lower shell is provided with a plurality of water outlet channels corresponding to a plurality of water outlet end surfaces of the water outlet ring at interval; and each water outlet end surface on the water outlet ring is provided with at least one tangential water outlet hole communicated with the water outlet channels on the outer peripheral face of the lower shell. The hanging-type irrigation shower nozzle is even in sprinkling, and can irrigate crops without dead zones.

The invention provides a catchment period irrigation method, which effectively solves conflicts existing in irrigation and substantially improves irrigation efficiency. The invention adopts such irrigation method as intensive water transfer, water distribution according to the growth cycle of crops, fixed-time water supply, and institution-guiding water saving. The method improves the water level of channels at all levels, raises self-irrigation guarantee rate, saves water, cuts water subsidy, improves water-utilization conditions, and recovers self-irrigation area.