33results about How to "Reduce the frequency of irrigation" patented technology

The invention relates to the technical field of agricultural pot culture, in particular to a medium for culturing potted corn. The medium comprises the following components by weight percent: 10-76.9% of organic matters, 20-57% of humic acid, 0-22.9% of nitrogen, phosphorus and potassium and 0.1-10.1% of trace elements, wherein the ratio of nitrogen to phosphorus to potassium is 3:1:2. A method for culturing potted corn comprises the steps of selecting pots, digging a burying ditch, burying the pots, filling soil, filling the medium, filling soil, applying fertilizers, injecting water, sowing seeds and covering vermiculite. The medium and the method have the following beneficial effects: the medium is beneficial to promoting corn root development and realizing deep rooting and root development of corn; tests show the drainage volumes of the potted corn roots with the medium added and vermiculite covered can reach 156-285 milliliters, an increase of 73-216% compared with the conventional soil culture methods; and the root length reaches 1.4 meters, an increase of about 1 meter compared with the conventional soil culture methods.

The invention provides an efficient and environment friendly irrigation method for rices in a cold region, which relates to a rice irrigation method. The invention is to solve problems of water waste, low water production efficiency, poor resistance ability and low rainwater utilization rate in the traditional irrigation method for the rices in the cold region. The method comprises the following steps of: first irrigating the rices according to water usage of 80-120 m3 / acre in a field dipping stage of the rice; and then dipping the field for 3-5 days; controlling water usage of a rice field in a rice seedling establishment stage, an early tillering stage, a middle tillering stage, a jointing-booting stage, a heading-flowering stage and a milk-ripe stage between a lower limit and an upper limit, wherein the lower limit is that the water content in the soil of the rice field is the saturated water content of 70-90%, and the upper limit is that the water depth of the rice field is 0.1-3 cm; keeping the water content in the soil of the rice field at the soil saturated water content of 70-80% in a later rice tillering stage; and supplementing once irrigation to the rice field in an early rice yellow ripening stage; and then naturally drying the rice field by air. The efficient and environment friendly irrigation method for the rices in the cold region, provided by the invention, is mainly used for irrigating the rices in the cold regions.

The invention provides a compound three-dimensional ecological interplanting cultivation method of pepper, loofah and water spinach, and relates to the technical field of crop interplanting ecological cultivation. The compound three-dimensional ecological interplanting cultivation method of capsicum, towel gourd and water spinach of the present invention comprises: arranging stubbles; plotting and building a frame; sowing; cultivating strong seedlings; Compared with single planting, water spinach can not only effectively improve the annual land utilization rate, but also significantly increase the economic benefits.

The invention belongs to the technical field of seedling raising, and discloses a facility seedling-raising and harvesting method of Astragalus membranaceus using coconut bran as a matrix. Ridges and operation roads are laid between the ridges; when sowing, press the sowing furrow on the ridge surface with coconut bran as the matrix, and calculate the row sowing amount to sow the astragalus seeds; after sowing, use a wooden board to rake and spray enough water; carry out daily management, and move it in autumn. Use an iron fork to dig up Astragalus seedlings with a planting bag. The method adopts the temperature and light effect of autumn, winter and spring in the greenhouse, sows seeds in advance, shortens the seedling raising period from half a year to 1 year compared with the traditional open field seedling raising method in high altitude and cool areas, saves 2-3 times of irrigation compared with the traditional facility seedling raising, and increases the seedling yield by 3 times, the rate of first-class seedlings is increased by 60%, root rot is reduced by 100%, and labor costs for excavation are saved by 66.7%; the invention improves the quality of astragalus seedlings and solves the supply bottleneck of astragalus seedlings in field production.

A cold-proof vertical greening device, which is characterized in that it includes a flowerpot body containing two cavities and a section bar for placing the flowerpot body, the section bar is a C-shaped steel section bar, and the section bar has an outwardly turned edge , forming two symmetrical guide rails; the main body of the flower pot includes a planting cavity and a heat storage cavity, and the two cavities are separated by a partition, and at the junction of the outer surfaces of the planting cavity and the heat storage cavity A groove that can accommodate the guide rail of the profile is set; the heat storage cavity of the main body of the flowerpot is placed in the profile; a transparent sliding cover with the same shape as the planting cavity is arranged on the guide rail of the profile, and the transparent sliding cover is placed outside the planting cavity and its The longitudinal edge is embedded in the guide rail of the profile to form a structure that encloses the planting cavity and can slide up and down along the guide rail. The invention has the advantages of simple structure and convenient installation. Especially in winter, it can simultaneously realize the heat preservation and cold protection of the building wall and the heat preservation and cold protection of the plants themselves, thereby ensuring a good growth environment and viewing environment for the plants.

The invention provides a method for raising seedlings of Populus euphratica in a greenhouse and belongs to the technical field of plant artificial propagation. The method for raising seedlings in the Populus euphratica greenhouse provided by the invention selects a loamy soil with a saline-alkali mass content≤0.3% and a soil particle diameter≤2mm to build a greenhouse, ditches and ridges; selects a mother tree with a tree age of 8 to 15 years, and waits for the seeds to grow to flesh red. Collect the seeds to be sown; sow in May to June, flood the ditch with water once after sowing, control the water surface to be 2 to 3 cm lower than the top of the ridge, and grow seedlings 3 to 5 days after sowing; then carry out later irrigation, Ventilation and other management. The method provided by the invention utilizes the greenhouse to raise the populus euphratica seedlings, reduces the number of irrigations, has 40,000 to 50,000 seedlings per mu and the seedlings are neat, and the preservation rate after overwintering is over 90%. The method provided by the invention overcomes the environmental constraints of windy, high temperature and low humidity in arid and extremely arid regions, improves the survival rate of Populus euphratica seedlings and reduces the cost of seedling cultivation, and is simple and easy to popularize and use.

The invention provides a method for cultivating dry raised seedlings through rice mulch covering machine dishes and belongs to the agricultural technology field. The method includes steps of seedbed construction, seedbed mulching, dish sowing, dish watering, dish arrangement, mulching, compaction and seedling bed management. The method is advantaged in that thick and firm cone-shaped bud tips composed of coleoptiles and incomplete leaves of the rice have strong penetrating power to penetrate the mulch for seedling, in the seedling process, the soil is moderately utilized to press the mulch, the mulch film is not closely attached to the soil, certain pressure or tension can be formed for the mulch, rice bud tips can break through the mulch, growth of weeds and water loss can be further prevented, and high soil moisture conservation, weeding, whole and strong seedlings, water saving, labor saving, cost saving, strong seedling and production increase are achieved.

The invention discloses a nutrition-balanced protective agent of crops, which is generated mainly by raw materials in the following portions by weight: 0.5-2.5 portions of amino acid, 0.5-2.5 portions of potassium dihydrogen phosphate, 0.5-2.0 portions of carbamide, 1.5-3.0 portions of trace elements, 2-5 portions of lipid film and 200-1000 portions of water. In order to achieve much better effect, the protective agent of the invention is combined with disinsection and sterilization components such as avermectin or cypermethrin, etc., as well. The protective agent has balanced and comprehensive nutrition, high fertilizer effect, good protective property, safe application, low cost and convenient application; the invention has double effects of nutrition and protection and is easy to be absorbed by crops, and has unique effects especially on improving crop photosynthesis, strengthening crop stress resistance, guaranteeing blossoms to bear fruit, expanding fruit, improving the color, polish and plumpness of the fruit, improving quality, developing marketability, etc.

The invention discloses a method for interplanting toadstools with radix ophiopogonis without a cover, and aims to solve the problems that the resource waste can be caused, the production cost can be improved, the management difficulty and environment pollution can be caused and the like due to the fact that an existing adopted manual planting method for toadstools generally needs a sheltering shed. The method comprises the steps of soil preparation, radix ophiopogonis cultivation, strain surface disinfection of the toadstools and the like. According to the method, the natural shelter of the radix ophiopogonis seedlings can be used, manual high shed shelter can not be needed on fields, the fruiting performance is stable, the yield of the toadstools is high, and the quality is good; furthermore, the yield of fresh sporocarps can achieve 200kg / 666.7m<2>, so that the large-scale cultivation can be carried out, and the requirements of commercial process can be met.

A device and method for raising tobacco seedlings in a straight-tube bottomless palace format. The tobacco seedling-raising device includes a hollow palace-style straight cylinder. The single straight cylinder is composed of rectangular surfaces, which are not curved surfaces; point-shaped or annular protrusions are provided on 1 / 3 of the inner wall of the straight cylinder. , a seedling raising method comprising leveling the seedling raising shed, filling the substrate, sowing seeds, and irrigating with water and fertilizer. The invention has the advantages of improving emergence efficiency and reducing stiff seedlings.