13 results about "Intermittent irrigation" patented technology

A plant support (1) is described, comprising an irrigation chamber (2), an inlet (5), and an outlet (6), and featuring a drainage path arrangement (15). The aim is to provide a plant support suitable for intermittent irrigation and with a simple design. For this purpose, the drainage path arrangement (15) is provided to include a first drainage path with a first flow direction and a second drainage path. The second drainage path has at least one opening into the first drainage path and, in the region of the opening, exhibits a second flow direction and a directional component that opposes the first flow direction in the region of the opening. A third drainage path is connected to the irrigation chamber via an overflow. The first and second drainage paths are separated from the third drainage path by a wall that is higher than a height determined by the overflow.

The bean sprout cultivation device comprises a barrel with the top open and a tray placed in the barrel, an overflow opening is formed in the center of the bottom of the barrel, a turnup is arranged on the edge of one side, located in the barrel, of the overflow opening, a plurality of ribs are evenly arranged in the barrel in the circumferential direction of the edge of the bottom, and the turnup is lower than the ribs. A tray is placed at the top of the rib, and a bottom water storage space is formed in the barrel by the turned-over edge. The barrel with a certain height provides a growing space for bean sprouts, purified water is adopted to intermittently irrigate beans placed on the tray, water flows into the water storage space from the opening of the tray, and when the water level of the water storage space is higher than the turnup, the water can overflow from the overflow port in the bottom of the barrel, so that the humid environment for bean sprout production can be guaranteed, and the production efficiency is improved. The bean sprout cultivation device can prevent bean sprout roots from being soaked in water for a long time and rotten, the bean sprouts and the bean sprout cultivation device can be sold together, and therefore the bean sprouts can be continuously located in the production environment in the logistics and selling period and before customers cook dishes, and the freshness is kept.

The application discloses a multifunctional sprinkling irrigation system and method integrating photovoltaic racks, and belongs to the field of agricultural irrigation equipment. The multifunctional sprinkling irrigation system comprises a photovoltaic rack unit, a multifunctional sprinkling irrigation unit and an intelligent control unit. The photovoltaic rack unit comprises a rigid support for bearing a photovoltaic panel, a sunshade net and a rotary sprinkling head. The multifunctional sprinkling irrigation unit comprises a rotary sprinkling head, a partition electromagnetic valve, a main water supply pipe, a functional electromagnetic valve, a water pump and a water pool which are sequentially connected through pipelines. The intelligent control unit comprises a system control center for receiving collected data and sending corresponding instructions to complete intermittent irrigation, frost prevention and control and atomization cooling. Compared with the prior art, the multifunctional sprinkling irrigation system has the advantages that: 1. the photovoltaic rack and the sprinkling irrigation rack are integrated; 2. the construction cost and the maintenance cost of the related agricultural facility equipment system are greatly reduced; 3. intermittent sprinkling irrigation is realized, and the sprinkling uniformity and the water use efficiency of the sprinkling irrigation on a slope are improved; and 4. crop microclimate regulation is realized.

The invention relates to the technical field of agricultural planting, in particular to a cold-region-based rice super-high-yield cultivation method and system, and the method comprises the steps: carrying out plowing operation, rotary tillage operation and drought leveling operation after previous-crop rice is harvested to obtain a drought-leveled rice field; in a pre-period of a preset rice transplanting date, performing water drainage and field steeping operation on the dry and flat rice field to obtain a rice field, and performing weeding operation on the rice field with a stable water layer to obtain a weeding rice field; performing water control operation on the weeding rice field to obtain a water depth controlled rice field; the water depth-controlled rice field is subjected to synchronous operation of rice transplanting and fertilization to obtain a straight rice field, the fertilization operation comprises simultaneous fertilization by using pre-constructed special fertilizer, ear fertilizer and potassium sulfate, 20-25 kg of the special fertilizer is applied per mu, 2 kg of the ear fertilizer is applied per mu, and 3 kg of the potassium sulfate is applied per mu; and intermittent irrigation operation based on shallow water, wet land and dry land is carried out on the straight rice field until the rice is mature. The method can improve the yield of rice planting in the cold region.

The utility model belongs to the technical field of adjustable irrigation, and particularly relates to a novel vegetable planting box which comprises a box body, an auxiliary box is arranged on the side face of the box body, a box cover is arranged at the top of the box body, an irrigation device is arranged in the box body and comprises a motor, and the motor is arranged on the side face of the auxiliary box. The tail end of an output shaft of the motor is fixedly connected with a reciprocating lead screw. According to the automatic irrigation device, the planting box is automatically irrigated, intermittent irrigation of the nozzles can be achieved, the defect that workers need to irrigate manually is overcome, the working efficiency is improved, the working intensity of the workers is reduced, convenience is brought to the workers, and the problem that the planting box cannot be automatically irrigated is solved; the problems that in the prior art, intermittent nozzle irrigation is difficult to achieve, the defect that workers need to conduct manual irrigation cannot be avoided, the working intensity of the workers cannot be reduced, and the automatic irrigation range is difficult to expand are solved.

The invention belongs to the technical field of rice planting, and relates to a method for improving the nitrogen absorption and utilization rate of first-season-regeneration-season rice, which comprises the following steps: deeply ploughing soil, applying a specific soil conditioner, optimizing the nitrogen fertilizer ratio and the fertilization time sequence, and matching with precise intermittent irrigation water management to form a systematic cultivation system. The method effectively solves the problems of low utilization rate, soil hardening, environmental pollution and the like caused by nitrogen volatilization, leaching and denitrification in the traditional double cropping rice cultivation, can obviously enhance the nitrogen conservation and fixation capability of the soil, ensures that nitrogen supply is accurately matched with the requirements of the rice in each growth critical period, and improves the yield of the rice. Meanwhile, nitrogen loss is inhibited through a dry-wet alternate irrigation mode, the nitrogen absorption and utilization efficiency of the rice is greatly improved on the premise that the nitrogen fertilizer consumption is not increased, balanced growth and yield increase of rice in the first season and the regeneration season are promoted, the ecological environment of soil is improved, and cost saving, efficiency increasing and sustainable development of rice production are achieved.

The invention discloses a method for reducing emission of nitrous oxide (N2O) in farmland soil based on synergistic fertilization of bacillus amyloliquefaciens EBL11, and belongs to the technical field of agricultural environment treatment. Aiming at the problems of high cost, high environmental risk, poor stability and the like in the existing N2O emission reduction technology, the bacillus amyloliquefaciens EBL11 is cooperatively applied with a fertilizer in a solid microbial inoculum form, so that the N2O emission of the farmland is remarkably reduced. The method is characterized by comprising the following steps: (1) synergistically applying a compound fertilizer and a fungicide; (2) synergistically applying an organic fertilizer and a fungicide; and (3) mixing the microbial inoculum and the fertilizer, uniformly spreading the mixture to the soil, and combining intermittent irrigation and repeated quadrat monitoring management. Experiments show that the method can reduce the N2O emission rate of the paddy field by 131.2%-215.4% within one week, soil is converted into an absorption state from emission, and meanwhile, the biomass of crops such as oilseed rape is increased. The method has the characteristics of high efficiency, emission reduction, low cost and environmental friendliness, and is suitable for large-scale popularization in farmlands such as paddy fields and rape fields.

The present application belongs to the technical field of agricultural environmental protection, and particularly relates to a method for reducing methane emission in rice field by returning straw to field through enzymatic hydrolysis. The method comprises the following steps: mixing rice straw treated by cellulase and ligninase with surface soil of the rice field at a dosage of 750 kg / ha 2-3 days before rice transplanting, and then performing water management according to the mode of flooding, field drying, re-flooding and intermittent irrigation. Compared with conventional straw returning to field, the method can significantly reduce the cumulative methane emission in the rice field, and the reduction range can reach more than 55.87%. At the same time, the yield of rice is increased by 1.19%, realizing the dual synergistic effect of emission reduction and yield increase. The method is simple to operate and easy to popularize, and has good ecological environmental benefits and economic benefits.

The utility model belongs to the technical field of blueberry planting, and provides a blueberry planting irrigation device which comprises a water tank, an irrigation water pipe, a planting pot and an alternate irrigation mechanism. The water tank is communicated with the alternate irrigation mechanism through an output pipe, and a water pump is arranged on the output pipe; the alternate irrigation mechanism is communicated with the multiple irrigation water pipes, the multiple planting pots are arranged in the direction of the irrigation water pipes, and the irrigation water pipes are communicated with the planting pots through branch pipes; the alternate irrigation mechanism is used for alternately supplying water to the plurality of irrigation water pipes in sequence; the water absorption efficiency of soil can be improved in a spaced irrigation mode, and the situation that due to the fact that too much water accumulates on the surface layer of the soil, water drainage is unsmooth, and respiration and growth of blueberry roots are affected is avoided.

The invention relates to the related field of agricultural planting, in particular to a method for rescuing late rice from being damaged by cold dew during heading and grouting, which comprises the following steps: S1, after late rice is damaged by cold dew, spraying instant boron on leaf surfaces to improve photosynthetic efficiency; s2, spraying a water-soluble foliar fertilizer containing amino acid to improve the chlorophyll content and growth vitality of the plants; s3, water management of intermittent irrigation is conducted to maintain root activity, and the mud temperature decreasing speed is slowed down through deep water irrigation under the low-temperature condition; s4, carrying out pest control, and controlling occurrence of stem borers, plant hoppers, rice blast and false smut. Through foliage instant boron and amino acid water-soluble fertilizer application, intermittent irrigation, low-temperature deep water irrigation management and targeted pest control, the photosynthetic efficiency is improved, the stress resistance is enhanced, grain filling is guaranteed, and the maturing rate and the yield stability are improved.

An intelligent fertilization and water supply method and system. The method comprises the following steps: step a, comprehensive soil monitoring, involving: comprehensively monitoring various soil indexes by means of a plurality of sensors, so as to obtain real-time data of the soil indexes; b, consideration of crop-specific requirements, involving: for the varieties and growth stages of different crops, thoroughly studying the unique moisture and nutrient requirements of the crops, so as to ensure the rationality and accuracy of a fertilization amount; c, comprehensive consideration of environmental factors, involving: collecting data of surrounding environmental factors; d, utilization of an intelligent irrigation mode, involving: by using a cyclic irrigation mode, an intermittent irrigation mode, etc., in combination with the water requirement pattern of each crop and a change in soil moisture, realizing efficient water utilization; e, implementation of a dynamic fertilization plan, involving: on the basis of a change in a crop growth condition and in soil fertility, dynamically adjusting fertilization time, frequency and dosage, so as to ensure that the nutrient supply matches the requirements of each crop; and f, implementation of a precise fertilization technique, involving: precisely delivering fertilizer to an absorption part of each crop, so as to improve the efficiency of nutrient utilization.

The invention discloses a quality-improving and yield-increasing method for a red soil rice field based on composite improvement of woody peat, which aims at solving the problems of acidification, hardening, low organic matter and high methane emission intensity of the red soil rice field, and comprises the following steps: deeply applying woody peat, lime and wormcast into a plough layer before transplanting; humic acid of woody peat and lime calcium ions are utilized to form a stable cement, acid is adjusted for a long time, aggregate formation is promoted, and active flora in wormcast accelerates carbon source activation; secondly, wet straw covering is conducted between rows after transplanting, intermittent irrigation is combined, and the microbial metabolism path of the waterlogged soil is directionally regulated and controlled through the synergistic effect of covering and woody peat release substances. By means of the method, the pH value of the red soil rice field can be stably increased to a suitable range, soil organic matter is remarkably increased, the rice yield is increased by 8%-15%, meanwhile, the rice quaternary methane emission intensity is reduced by 20%-30%, cooperation of rapid soil improvement, crop yield increase and quality improvement and greenhouse gas emission reduction is achieved, benefits are remarkable, and environment friendliness is achieved.

The application discloses a kind of agricultural irrigation water-saving devices, it is related to water-saving irrigation technical field.The present application includes support assembly, and is arranged on the adjusting assembly of support assembly, and is arranged on the irrigation assembly of support assembly and adjusting assembly and is arranged on the water storage component of irrigation assembly side.Support assembly is fixed horizontal pole by adjustable adjusting support leg;Adjusting assembly is linked electric telescopic rod by telescopic fork structure, and the flexible adjustment of irrigation width is realized;Irrigation assembly includes sliding irrigation frame and alternate irrigation box, wherein alternate irrigation box is alternately transported to irrigation water pipe by the water partition of gravity-driven rotating partition plate, and realizes intermittent irrigation;Water storage component supports alternate / continuous irrigation mode switching by double waterway design (main water pipe+continuous water pipe).The present application significantly improves water resource utilization by mechanical zoning irrigation, stepless adjustment of height of sprinkler and electric expansion of coverage range, and adapts to the irrigation needs of different crop growth stages.