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.

A forward roll agricultural irrigation line includes an irrigation unit having a plenum pipe, a plurality of water delivery orifices in the plenum pipe, a water supply line in communication with the plenum pipe, and at least one drive wheel supporting the plenum pipe. Typically, there are a plurality of drive wheels supporting the plenum pipe. A drive unit includes a DC electrical motor mounted to the irrigation unit and engaged to controllably rotate the drive wheels, preferably by rotating the plenum pipe. A control / power unit includes a battery power supply, a control unit having as an input power from the battery power supply and as an output a control and power signal to the DC motor, and a photovoltaic battery charger providing recharging power to the battery power supply.

The invention relates to a sugar cane full-film mulching cultivation method which aims to solve the problem that a certain amount of water is required for the emergence of the sugar cane under less rain water and soil drought conditions during the planting period of the sugar canes in winter and spring. The method is favorable for reducing the growth of weeds in the field, keeping the soil humidity, improving the rate of emergence of the sugar canes and promoting the root systems of the sugar canes to deeply insert and the aboveground part to grow, thereby creating favorable conditions for the selection of new species, high yield and stable yield of the sugar canes; and the method mainly adopts the technical scheme that the sugar canes are planted in the moist land blocks, weedicide is sprayed on the moist soil surface layer after the sugar canes are planted, the full overlaying is performed to the planting area by using the plastic film with the thickness of 0.008 to 0.012 cm, the soil is pressed and compacted around the plastic films and at the bottoms of seedling planting trenches, and no open space is left between rows.

The invention discloses an irrigation system for greenhouse water and fertilizer integration. The system comprises a blending box, a rotating rod is fixedly arranged at the output end of a rotating motor, an EC sensor and a PH sensor are fixedly arranged on the side wall of an inner cavity of the blending box, a water and fertilizer filter screen is fixedly arranged at the joint of a communicatingpipe and the blending box, and brushes are arranged on stirring blades close to the EC sensor, the PH sensor and the water and fertilizer filter screen. A fertilizer box is arranged above the blending box, and an impact ball is fixedly arranged at the end part of an extension rod. A three-way pipe is arranged on the blending box in a communicating mode, a first branch pipe is communicated with aninner cavity of the blending box, a second branch pipe is communicated with a rainwater collecting box, and a third branch pipe is communicated with a water inlet pipe. According to the irrigation system for greenhouse water and fertilizer integration, the rotating rod in the irrigation system can clean the EC sensor, the PH sensor and the water and fertilizer filter screen while stirring water and fertilizer mixed liquid, measurement is accurate, blockage is avoided, and the use is convenient.

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 discloses a wireless irrigation electromagnetic valve control system and a control method thereof. The system comprises a plurality of electromagnetic valves, a plurality of valve head controllers and a control unit, wherein the electromagnetic valves are used for controlling an irrigation pipeline to be opened or closed; the valve head controllers correspond to the electromagnetic valves one to one and are used for controlling the electromagnetic valves to be opened or closed; and the control unit is used for triggering the operations of the valve head controllers. According to the wireless irrigation electromagnetic valve control system disclosed by the invention, the electromagnetic valves are controlled to be opened or closed by adopting a wireless communication mode; wireless irrigation can be realized, and a large number of copper wires do not need to be laid, therefore, manpower and material resources are largely saved, and the irrigation cost is reduced. Moreover, the wireless irrigation electromagnetic valve control system can be powered up by using batteries, and thus, the limitations of a power supply system to irrigation districts are eliminated. A hand-held remote controller remote control mode and a central-control terminal remote control mode are adopted by the system disclosed by the invention. Operating personnel not only can operate the single electromagnetic valve in the field through a hand-held remote controller but also can operate one electromagnetic valve or one set or more than one set of terminal electromagnetic valves on a central-control terminal through remote control software, and thus, the use of users is facilitated.

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 discloses a method of planting a tung tree, which comprises the following steps: (1) land and soil preparation: digging a hole according to the spacing span, piling the soil dug out below the hole, drying the soil, and removing stones, grass roots and plant seeds in the soil; (2) preparation of nutrition package: filling the dried and crushed soil into gunny bags, adding starch type water retention agents, biological carbon particles and crushed corn straws into the gunny bags, and mixing the substances in the nutrition packages; (3) placement of the nutrition packages: scraping the surface vegetation in the position with the piled soil below the hole, placing the scraped turf in the dug hole, and putting the nutrition packages on the bare land with the vegetation scraped; (4) seed treatment: selecting large and plump seeds, soaking the seeds in warm water, and selecting the seeds settling into the water for use; (5) planting: planting the treated seeds at the center of each nutrition package; and (6) supplementing and thinning: filling up the gaps and thinning the thick seedlings after the seeds come out of the land. The invention solves the problems in the traditional method of planting the tung tree, such as narrow appropriate planting areas, poor nutrition and growth, low survival rate, and the conflict of cultivation and weeding against water loss and soil erosion.

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 invention discloses an ecological landscape retaining wall which comprises a frame beam, vegetation growing grooves and a slope surface supporting, retaining and inverse filtering structure. The frame beam is of a frame structure composed of longitudinal beams and cross beams. The slope surface supporting, retaining and inverse filtering structure is arranged on the reverse side of the frame structure, and the vegetation growing grooves are formed in the frame beam and composed of oblique partition plates arranged between the frame beam longitudinal beams and the slope surface supporting,retaining and inverse filtering structure. The vegetation growing grooves are filled with filled earth and provided with drain holes. Ecological landscape plants are planted in the vegetation growinggrooves to green a slope body. The vegetation growing grooves penetrate through the slope surface supporting, retaining and inverse filtering structure to form water and nutrient channels with the slope body, vegetation growth is ensured, and the vegetation survival rate is greatly increased. The bottoms of the vegetation growing grooves are provided with inverse filtering layers and the drain holes, wall back earth body accumulated water is effectively discharged, and the stability of the slope body is improved. The ecological landscape retaining wall has the characteristics that the supporting and retaining capacity is high, the adaptability is high, the landscape effect is good, and the economical benefits are remarkable, and is suitable for slope supporting engineering, hydraulic engineering and ecological landscape engineering.

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 farmland water-saving irrigation device. The farmland water-saving irrigation device comprises a pressing well, a water pond, a hose, a water storage tank and three or more water storage drip irrigation units. Underground water of the pressing well is injected into the water pond, the water storage tank is communicated with the water pond through the hose, and a plurality of drainage pieces used for supplying water to the water storage drip irrigation units are arranged on the wall of the water storage tank; each water storage drip irrigation unit comprises a base, a drip irrigation part and a rotary water storage part, wherein the drip irrigation part and the rotary water storage part are arranged on the base, the drip irrigation part is communicated with the rotary water storage part through a water pipe, the rotary water storage part is provided with a water storage part pipe body, the water storage part pipe body is filled with water in the horizontal state, and water is supplied to the drip irrigation part in the vertical state. The farmland water-saving irrigation device of the structure can reduce water resource waste, the farmland irrigation cost is reduced, and the drip irrigation application range is expanded.

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 water and fertilizer irrigation decision making method, device and system and a computer storage medium. The water and fertilizer irrigation decision making method comprises the steps that a spatial interpolation model is built; sample data is obtained from a database, and the sample data is subjected to normal distribution compliance validation on the sample data; a connection weight of the sample data meeting normal distribution and a to-be-measured point is obtained; a to-be-measured point spatial interpolation result is obtained according to the sample data and theconnection weight; the to-be-measured point spacial interpolation result is compared with an expert knowledge base threshold value, experience deviation of water and fertilizer irrigation is obtained,and the experience deviation serves as execution mechanism input to guide the water and fertilizer irrigation system. Accordingly, the actual requirement state of soil water and fertilizer in a certain area can be worked out by building the spatial interpolation model, globally differentiated irrigation and control are conducted accordingly, and then the water and fertilizer irrigation cost can be reduced, the labor cost is lowered, and economic losses caused by irrigation disorder are reduced.

The invention discloses a wireless interconnected control system and method used for an electric driving reel spray irrigation machine and capable improving spray irrigation uniformity. The system includes a pressure PID controller composed of a microprocessor controller module, a wireless data transmission module, a single-chip microprocessor module and a frequency converter; a water pump motor;a pressure transmitter; a wireless transmission module; a cell phone APP client terminal; and an encoder. The pressure PID controller indirectly controls constancy of pressure of the inlet of a sprayhead through controlling the pressure change of inlet pressure of the reel spray irrigation machine. The microprocessor controller module, a brushless DC motor and a motor controller form a speed PIDcontroller controlling PE pipe recycling speed directly. The wireless transmission module realizes interactive communication of spray head inlet pressure and PE pipe recycling speed values with a client terminal in a short text message mode. Automatic adjustment of operation condition is realized after setting of corresponding parameters. According to the invention, spray irrigation uniformity ofthe reel spray irrigation machine is improved, and remote, real time and accurate control of operation condition of the reel spray irrigation machine is realized, so that foreground guarantee is provided for smart irrigation of the reel spray irrigation machine.

The invention discloses a movable water and fertilizer integrated irrigation device. The movable water and fertilizer integrated irrigation device comprises an automatic proportioning pump, a spray head, a main pipe, a stand pipe, a connecting rod and a fixed device; the lower portion of the stand pipe is inserted into the connecting rod, a water inlet is formed in the lower end of the stand pipe, the connecting rod is hollow and comprises an inserting end and a fixed end, a clamping groove is formed in the fixed end, a clamping block corresponding to the clamping groove is arranged on the outer wall of the stand pipe, and the fixed device is arranged outside the fixed end and provided with a locking device; an adjusting support is arranged at the lower end of the fixed device and composed of three foldable supporting legs evenly distributed, and each supporting leg is of a three-section adjusting type; a pressurizing water sump is arranged at the top end of the stand pipe, and the bottom of the pressurizing water sump is connected with the top end of the stand pipe in a sealed mode and communicated with each other. The height of a device body is adjusted by arranging the fixed device and the adjusting support, and therefore the device is capable of adapting to irrigation operation on different landforms.

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 discloses a slope plant irrigation water-saving station which comprises a moisture collecting system, a moisture conveying system, a slope protection system, a cleaning system, a power supply system, a detection system and a control system. The moisture collecting system is used for collecting moisture, the moisture conveying system is used for conveying collected moisture, the slopeprotection system is used for receiving moisture conveyed by the moisture conveying system and protecting a slope, the cleaning system is used for cleaning the moisture collecting system, the power supply system is used for supplying power for the water-saving station, the detection system is used for detecting operation of the water-saving station, and the control system is for receiving detection information of the detection system and controlling the operation of the water-saving station. According to the water-saving station, the moisture collecting system collects the moisture, the moisture conveying system conveys the moisture into the slope protection system to be used for plants, the slope protection system protects the slope, the cleaning system cleans the moisture collecting system, the power supply system supplies power for electrical appliances of the water-saving station, the detection system detects running states of the water-saving station, the control system controlsoperation of the water-saving station, various systems are coordinated and matched, slope plants are rapidly irrigated, water is saved, and a lot of labor costs are saved.

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.

The invention discloses a rice field irrigation system and method based on the Internet of Things. The irrigation system comprises a drainage channel surrounding the outer side of a rice field and a water injection channel running through the middle of the rice field; one end of the water injection channel is provided with a water storage tank communicated with the water injection channel; the twosides of the water injection channel are provided with a plurality of rice field units arranged in parallel, and each rice field unit is connected to the water injection channel through a water control unit respectively and is connected to the drainage channel through a drainage unit respectively. The rice field irrigation system and method based on the Internet of Things have the advantages thatthe structure is simple, the power consumption is low, the functions are complete, the reliability is high, the popularization prospect is better, the automatic acquisition of environmental information and intelligent irrigation of the rice field are achieved, a user can be guided to better manage the rice field, the irrigation cost is reduced, and the water resources are saved.