45 results about "Intermittent irrigation" patented technology

The invention relates to a saline-alkali soil irrigation and drainage ecological improvement method, comprising two parts, namely a composite gridded underground drainage brine discharging system and a water-saving irrigation washing system. The composite gridded underground drainage brine discharging system is formed by the way that a gridded drainage brine discharging network composed of a water absorption tube (branch drain pipe) and a blind drain is arranged below a saline-alkali soil layer, and salty underground water and washing influent seepage are discharged outside an improved region by virtue of two paths, namely the blind drain, the water absorption tube (the bran drain pipe), a collector pipe (main drain pipe) and the water absorption tube as well as the collector pipe; and the water-saving irrigation washing system is in charge of washing salinity in soil by adopting one or more than two measures of partition irrigation, estuarine rotation irrigation and intermittent irrigation. By adopting the method provided by the invention, the saline-alkali soil can be uniformly and efficiently improved, water resource can be saved, improvement time can be reduced, and better social, ecological and economic benefits can be achieved.

The invention discloses a medical perfusion type irrigator, belonging to the technical field of medical equipment. The medical perfusion type irrigator comprises a microprocessor module and a peristaltic pump, wherein the microprocessor module sends signals to the peristaltic pump to control the liquid outlet pressure and liquid outlet flow speed of the peristaltic pump; the microprocessor module is connected with a keyboard module, a pressure sensor, a flow speed sensor and a display module. The medical perfusion type irrigator disclosed by the invention can provide irrigation fluids with two flow speeds and four pressures, and can accurately control the temperature of the irrigation fluids and realize continuous irrigation as well as intermittent irrigation; with human-machine interaction, the irrigator is friendly and convenient to operate; moreover, in a special situation, the irrigator can give an alarm through sound and light to remind the medical personnel to handle exception in time. The medical perfusion type irrigator disclosed by the invention is applicable to multiple operations and the irrigation of multiple operative sites or tissues.

The invention discloses an agricultural greenhouse ecology regulation system. The system comprises a greenhouse body and is characterized in that two water storage boxes are fixedly connected to the outer wall of the greenhouse body, two mounting boxes are fixedly connected to the inner wall of the greenhouse body, multiple dust removing mechanisms are arranged inside the two mounting boxes, and awater supply mechanism is arranged inside the water storage box and the mounting box which are fixedly connected to the same lateral wall of the greenhouse body; each water supply mechanism comprisesa magnetic plate, the lower wall of the magnetic plate is elastically connected with the inner bottom of the corresponding mounting box through multiple memory metal sheets, iron sliders are fixedlyconnected to the two lateral walls of the magnetic plate, the inner wall of the corresponding mounting box are provided with two first slide grooves, and the iron sliders are respectively located in the two first slide grooves. The agricultural greenhouse ecology regulation system has the advantages that intermittent irrigation can be automatically performed on crops in the greenhouse body according to temperature change, a large amount of time and vigor are saved, the light permeability of the greenhouse body is increased, and the photosynthesis of the crops is benefited.

The invention relates to a method of planting ecological paddies to produce ecological rice. The method comprises the following steps of: treating seeds, that is to say, soaking rice seeds at the water temperature of 50-53 DEG C for 10 minutes, and then soaking at the water temperature of 15-25 DEG C for 5-7 days; preparing a seedling nutrition matrix, that is to say, carrying out biological fermentation on crushed rice hulls, and adding a plant water planting nutrient solution and fungi microorganisms containing decomposing cellulose after fermentation; ecologically fertilizing soil, wherein a fertilizer is formed by mixing and compounding the following fertilizers in parts by weight: 20-50 parts of organic fertilizers, 0.15-0.3 part of biological fertilizer, 8-12 parts of mineral fertilizers and 40-70 parts of chemical fertilizers; managing a water layer, that is to say, keeping the water layer for 6-8 cm during the period of rice transplanting and heading by a water conservation irrigation manner, and adopting an intermittent irrigation method after heading, wherein the irrigated water layer is 8-10 cm deep; and ecologically weeding. According to the method provided by the invention, high yield of the paddies is ensured, and safety quality and nutritional quality of the paddies are kept.

The embodiment of the invention relates to the technical field of agriculture, and discloses an automated irrigation control method and device. The automated irrigation control method comprises the steps of starting intermittent irrigation, wherein when the radiation accumulation amount is larger than or equal to a preset radiation threshold value, irrigation is started, after every time of irrigation, the radiation accumulation amount of irrigation is controlled to return to zero, and calculation of the radiation accumulation amount of irrigation is restarted; detecting whether or not a firstfeature value is larger than or equal to the preset threshold value, and if yes, stopping the intermittent irrigation, wherein the first feature value is used for representing the un-absorbing degreeof liquid by plants; calculating the difference value between the stopping time of the intermittent irrigation and the sunset time, and if the difference value is larger than a first preset duration,restarting irrigation once before the sunset time. By means of the automated irrigation control method and device, crops are reasonably irrigated, it is guaranteed that the irrigation amount meets the growth requirements of the plants, and it is also prevented that resources are wasted when irrigation is excessive.

The invention discloses a black glutinous rice planting method in the technical field of black glutinous rice planting. The planting method includes the steps: first, spreading quick lime to a rice field before or after tillage, and applying farm manure to the rice field 15-20 days after spreading the quick lime; second, sunning black glutinous rice seeds before seedling raising, soaking the rice seeds in 25% prochloraz and 10% imidacloprid mixed with water, and spraying paclobutrazol mixed with water to each rice seedling with one leaf and one core during seedling raising; third, transplanting the raised seedlings to the rice field; fourth, applying nitrogen-phosphate-potassium compound fertilizers into the rice field 4-5 days after transplanting the rice seedlings, keeping the water depth in the rice field at 2.5-3cm, applying nitrogen-potassium compound fertilizers into the rice field and spraying ferrous sulfate water solution to the rice seedlings when starting heading filling of the rice seedlings, keeping the water depth in the rice field at 5-6cm at the earlier stage of heading filling of the rice seedlings; performing intermittent irrigation from the later stage of heading filling of the rice seedlings to the yellow ripening stage of rice grains. Both the yield and the quality of black glutinous rice planted by the method are greatly improved.

The invention discloses a greening method for coastal saline-alkali land after soil improvement. The formula of improved coastal saline-alkali soil includes the original soil, 35% of hill-skill sand,20% of corn straw, 1.2% of desulfurized gypsum, 30kg of an organic fertilizer and 20kg of peat. Tree holes with the depth of 1m and the diameter of 1.2m are dug, a salt barrier layer is arranged around each tree hole, the bottom of the tree holes is buried with blind holes which are communicated with three tree holes, and there are a stone chip leaching layer with the height being 10cm, a fillinglayer with the height being 70cm and an irrigation layer with the height being 20cm in sequence on the blind pipes. The irrigation of the tree holes takes tap water as a water source and adopts a quantitative and intermittent irrigation mode, 200kg of tap water is irrigated into the tree holes once a day, and the irrigation is stopped after 7 days. The greening method determines the saline-alkalisoil improvement formula in allusion to main physical and chemical properties and soil structure of the river saline-alkali soil, and provides technical support and engineering experience for greeningthe river saline-alkali land.

A water conservation and recycling system where an integrated automated system comprising a sensor housing with at least one sensor, a diverting valve and controller, the system used to separate water based on quality parameters (for example, temperature, acidity (pH), dissolved oxygen, electrical conductance and/or turbidity). In one example, physical bio-filtration is used to remove debris particles from clean water and ultraviolet light and ionization is used for bacterial eradication of clean water. Separated clean water is stored and recycled for agriculture and toilet purposes resulting in up to 40% reduction in residential and commercial water consumption. Municipal water supply line pressure is used to pressurize storage tanks to provide intermittent irrigation water supply.

The invention discloses a fertilizer deep application and cultivation method for increasing the no-tillage middle-season rice yield and improving the nitrogen use efficiency. The method comprises thesteps of 1, field pretreatment, wherein an amides systemic herbicide is applied after preceding crops are harvested and before seedling slinging; 2, dry rice-nursery, wherein hybrid rice is selected,seeds are aired on a clear day before sowing, and the seeds are placed in flowing clear water and soaked in the daytime and are fished out, spread and aired in the night; 3, fertilizer deep application, wherein deep application is conducted on a base fertilizer, broadcasting is conducted on an additional fertilizer, the base fertilizer is a nitrogen-phosphorus-potassium mixed fertilizer, deep application can also be conducted after nitrogen, phosphorus and potassium fertilizers are mixed, and the later additional fertilizer is mainly urea; 4, filed seedling slinging, wherein the fertilizer deep application is completed, irrigation field steeping is conducted before seedling slinging; 5, water management, wherein at the seedling stage, a shallow-water layer is kept, at the tillering stage,intermittent irrigation is conducted, and at the yellow ripening stage, air-drying is conducted after the dough stage; 6, filed management. The fertilizer deep application and cultivation method for increasing the no-tillage middle-season rice yield and improving the nitrogen use efficiency is easy to conduct and convenient to operate, effectively reduces ammonia volatilization and nitrogen loss of a no-tillage rice field, improves the nitrogen use efficiency of the no-tillage rice field, and increases the yield of the no-tillage rice field.

The invention discloses a water and fertilizer management method for whole growth duration of rice. The method comprises the steps of 1 field management, wherein soil is turned at the depth of 30 cm to 40 cm, base fertilizer is applied at 150-200 kg/mu, irrigation and wet tillage are conducted, and after soaking is conducted for 1 d to 2 d, furrowing and transplanting are conducted; 2 transplanting-green returning period, wherein the state that a water layer in a field does not submerge uppermost completely-leafed auricles of rice seedlings is kept; 3 green returning-tillering period, wherein intermittent irrigation is conducted; 4 tillering-ear breeding period, wherein tillering fertilizer topdressing is conducted, and watering is conducted until the water layer height is 3 cm to 4 cm; 5 ear breeding-earing period, wherein earing fertilizer is sprayed on the leaf surfaces, and meanwhile intermittent irrigation is conducted; 6 filling period, wherein the earing fertilizer is sprayed on the leaf surfaces, intermittent irrigation is conducted, and water draining for field drying is conducted 5-7 days before harvesting. According to the method, the fertilizer and the water are scientifically managed, the fertilizer is regulated by the water, shallow and frequent irrigation is conducted, promotion and control are combined, qi is regulated by the water, roots are nourished by qi, leaves are protected by the roots, the yield is guaranteed by the leaves, therefore, the environmental conditions are improved, pathogenic bacterium reproduction and infection are controlled, the rice grows healthily and strongly, and the disease resistance is improved; in addition, the rice has the advantages of being high in effective tillering rate, long in ear and high in setting rate in the grow period.

The invention discloses a lodging-free cultivation method of super high-yield rice. The lodging-free cultivation method of super high-yield rice comprises the following steps: (1) carrying out soil preparation, namely digging a plurality of gullies in the conventional paddy field, wherein the gullies are 20-35cm in depth and 30-55cm in width, a root-inducing and seedling-growing fertilizer is continuously stirred into the dug soil to form fertilizer soil during gulley digging, the fertilizer soil is laterally deposited between ditches to form long ridges at intervals, and the long ridges are 15-30m in width; (2) planting, namely planting rice seedlings on the long ridges by properly adjusting according to different variety densities; (3) irrigating, namely irrigating water into the gullies after transplanting rice seedlings, protecting the seedlings in deep water for 2-3 days after rice seedlings are transplanted, wherein the water in the gullies is 22-37cm deepth, the water in the gullies is 18-32cm in depth in a returning green stage and a tillering stage; drying the paddy field for 7-10 days at the beginning of July, carrying out intermittent irrigation by using phreatic water in the middle stage, the water in the gullies is 16-29 cm in depth in heading stage, intermittently drying and wetting after full heading, and draining water after yellow ripening stage; (4) harvesting, namely harvesting and threshing after ripening, and finally storing the rice in a warehouse. The lodging-free cultivation method of the super high-yield rice has the characteristics of high yield increase, no lodging and high quality of rice.

The invention is directed to a device for sealing a natural or artificial opening of the large intestine, or the rectum, of a patient, and for occluding same, and/or for removing stool therefrom, particularly for continuous, and/or intermittent irrigation, preferably into an external, bag-like collection container, comprising an inflatable balloon with an approximately annular structure formed from a flat, everted tube section, wherein the outer layer of the everted tube section is provided with a radially enlarged region for insertion into the rectum, and has a region that is tapered relative thereto, and that remains at least regionally outside the rectum during use, the intrarectal balloon section having no functional or spatial connection to the transanal balloon section.

The invention discloses a rice field methane emission reduction method and a microbial additional fertilizer for methane emission reduction. The method comprises the steps of seed soaking, sowing and seedling raising in a rice seedling bed period; performing rice field water covering and fertilization treatment; seedling transplanting, wherein the cultivated seedlings are transplanted in a wide-row narrow-distance mode; and adopting irrigation treatment, wherein an intermittent irrigation mode for treatment. According to the intermittent irrigation mode, the rice field is irrigated in the mode that every time the rice field is irrigated with water, after the field surface is naturally dried to be in a water-free layer state, the rice field is irrigated with water again. According to the method, the rice field is irrigated in a special intermittent irrigation mode, the income and yield of rice are increased, and the technology can be applied to large-scale rice planting.

The invention relates to a water-saving irrigation method in a rice planting process. The method comprises the following steps: step 1, before transplanting rice in a seedling stage, observing the water level depth in a field; step 2, from the seedling transplanting stage to a turning green stage, enabling the water layer depth in the field to be 20-30mm; step 3, after a tillering stage, observingthe water layer depth, in a monitoring device every day, in the field in a shallow water layer drying stage, and recording the water layer depth; and step 4, according to the recorded data, determining irrigation requirements according to the water layer depth conditions of the rice in each stage. According to the rice water-saving irrigation technology, a shallow humidity regulation and controlirrigation technology is carried out according to the physiological water requirement stage of the rice, three irrigation methods of shallow water irrigation, wetting irrigation and intermittent irrigation are scientifically combined together, and according to the water requirement characteristics and growth rules of the rice, the principles of seedling transplanting with thin water, water storageand living, tillering promotion with shallow water, field drying under conditions of sufficient seedlings, spike growing with shallow wetness, wetting type grouting, and yellow ripeness and drying are provided, and the upper limit of the water layer of the rice field and the lower limit of the soil water content of the rice root system are controlled, so that the water-saving irrigation technology for the rice can save water by 25%-40%.

The invention discloses a method for reducing non-point source pollutants of a farmland. The method comprises the following steps: S1, reducing nitrogen and phosphorus loss of the farmland through adopting a manner of combining intermittent irrigation and split application; S2, enabling water drained from the farmland to flow into an optimized water drainage grass ditch and filtering; S3, enabling water drained from the water drainage grass ditch to flow into a pond wetland and precipitating and absorbing the pollutants by water plants; S4, enabling water drained from the pond wetland to flow into a backbone ecological ditch and purifying the water drained from the wetland again.

The invention relates to the technical field of agricultural production equipment, in particular to an automatic mechanical device for integrating sowing and irrigation of crops, which comprises a platform, a connecting frame is fixedly connected to one side of the platform, a traction sleeve is arranged at the other end of the connecting frame, wheels are arranged at the bottom of the platform, a water tank and a plurality of supporting legs are fixedly connected to the top of the platform, the tops of the plurality of supporting legs are fixedly connected with the same seed box, two limiting pipes which are symmetrically arranged fixedly penetrate through the top of the platform, and V-shaped plates are fixedly connected to the interiors of the limiting pipes through limiting adjusting mechanisms. According to the automatic mechanical device, the linked intermittent irrigation and sowing integrated structure is arranged, sowing is carried out after watering, multiple agricultural production procedures are completed through one-time operation on the premise that the seed sowing quality is guaranteed, and the purposes of reducing manpower and material resource consumption, reducing production time, reducing water resource waste, reducing seed rotting and stuffy seed conditions and improving the seed germination rate are achieved.