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

Efficient and environment friendly irrigation method for rices in cold region

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.
Owner:黑龙江省水利厅

Multilayer stubble-cleaning rotary-cultivation fertilizing seeding machine

InactiveCN102626009ACompact structureImprove technology integrationSpadesPloughsAgricultural engineeringSoil moisture content
The invention discloses a multilayer stubble-cleaning rotary-cultivation fertilizing seeding machine, which relates to the technical field of the seeding machine. The seeding machine comprises a transmission case, a main stander and a fertilizing device assembly, and the seeding machine is characterized in that the main stander is sequentially fixedly provided with a seed-row stubble-cleaning cutter shaft assembly, a disc-type rotary-cultivation cutter shaft assembly, a profiling ground wheel assembly, an arc deep loosening cutter and layering fertilizer assembly, a wheel-type compact furrow-opener assembly and a seeding device assembly from right to left. A cutter shaft of the seed-row stubble-cleaning cutter shaft assembly and a cutter shaft of the disc-type rotary-cultivation cutter shaft assembly are connected with the transmission case, and the profiling ground wheel assembly supplies power to a fertilizer on the fertilizing device assembly and a seeding mechanism on the seeding device assembly. According to the invention, the application range of the seeding machine can be enlarged, the utilization efficiency can be improved, the seeding machine is not only applicable to the high efficient fertilizing and seeding of corns, but also is applicable to the high efficient fertilizing and seeding of crops such as cotton, soybeans, and sunflowers, the seeding machine is insensitive to the soil moisture content and the quantity of the stubbles, and the operating efficiency is high.
Owner:薛世川

Cold-proof vertical greening device

A cold-proof vertical greening device is characterized in that a flowerpot body provided with two cavities and a profile used for holding the flowerpot body are included, and the profile is of a C-shaped steel shape and is provided with folded edges turning outward to form two symmetric guide rails; the flowerpot body comprises a planting cavity and a heat storage cavity, the two cavities are isolated through a partition board, and grooves capable of containing the profile guide rails are formed in the combination portions of the outer surfaces of the two sides of the planting cavity and the heat storage cavity; a part of the heat storage cavity of the flowerpot body is contained in the profile; the guide rails of the profile are provided with a transparent slide cover of the same shape as the planting cavity, the transparent slide cover is arranged outside the planting cavity, longitudinal edges of the transparent slide covers are embedded in the guide rails of the profile, and a structure capable of surrounding the planting cavity and sliding up and down along the guide rails is formed. The cold-proof vertical greening device is simple in structure, convenient to install, especially in winter, heat preservation and winter protection of building walls and plants can be achieved at the same time, and good growth environment and ornamental environment of the plants are guaranteed.
Owner:雄安绿研检验认证有限公司

Greenhouse seedling-raising method for diversiform-leaved poplar

The invention provides a greenhouse seedling-raising method for a diversiform-leaved poplar and belongs to the technical field of artificial plant propagation. According to the greenhouse seedling-raising method for the diversiform-leaved poplar, a greenhouse is built on loam soil with the saline and alkali mass content of 0.3% or below and the soil grain diameter smaller than or equal to 2 mm, and ditching and ridging are carried out; seed trees with tree ages of 8-15 years are selected, and seeds to be sown are collected when seeds grow to be fleshy red; sowing is executed in May to June, flooding and watering are executed through ditches once after sowing, the water surfaces are controlled to be 2-3 cm lower than the tops of ridge surfaces, and seedlings grow out after sowing for 3-5 days; and then managements such as later-stage irrigation and ventilation are carried out. According to the greenhouse seedling-raising method for the diversiform-leaved poplar, the diversiform-leaved poplar seedlings are cultivated in the greenhouse, the irrigation frequency is reduced, the seedling emergence amount per mu reaches 4-50,000 plants, the seedlings emerge orderly, and the storage rateafter overwintering reaches 90% or above. The method overcomes the environmental restrictions of windiness, high temperature and low humidity in arid and extremely arid areas, reduces the seedling raising cost while improving the survival rate of the diversiform-leaved poplar seedlings, and has the characteristics of being simple, easy tot operate and easy to popularize.
Owner:阿拉善盟林木种苗站

Grape dwarfing planting method

The invention provides a grape dwarfing planting method and relates to the technical field of grape planting. The grape dwarfing planting method comprises the following steps: selecting a field; establishing a grape trellis; carrying out field planting: selecting grape seedlings with 4 to 6 leaves and one core and carrying out the field planting; ditching and bedding, wherein beds are 25cm high and 100cm to 120cm wide; adopting a hole planting method after applying fertilizers, wherein the hole depth is 60cm to 80cm wide and the field planting time ranges from October to November; after the field planting, watering in time to keep soil moisture and covering a mulching film; pruning: pruning in summer and removing old branches and leaves, wherein the pruning is dwarfing pruning and the dwarfing pruning is to carry out short cutting at a part, which is 40cm to 50cm high, of a trunk; roughly inducing lateral buds and selecting 2 to 4 lateral buds which are uniformly distributed as main branches; keeping the distance between the main branches to be 15cm to 20cm and an opening angle at 45 degrees to 60 degrees; pressing the top when tree crowns grow to be 1.3m to 1.5m high. According to the grape dwarfing planting method provided by the invention, the yield can be easily improved and the stress resistance is enhanced; weeding work is avoided in a grass-on-grass manner and moisture can be kept very well, so that the irrigation frequency is reduced.
Owner:ANHUI LINHAI LANDSCAPING CO LTD

A kind of high-efficiency and environment-friendly irrigation method for rice in cold regions

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.
Owner:黑龙江省水利厅

Water-saving fruit tree planting irrigating device

The invention discloses a water-saving fruit tree planting irrigating device. The water-saving fruit tree planting irrigating device comprises a water collection shield, a water tank, water conveyingpipes, main pipes and dispersion pipes, water collection plates are hinged to two side walls of the top of the water collection shield through hinge shafts, and a filer screen is arranged on the bottom of the water collection shield; the water tank is arranged below the water collection shield through a connection part, a slag discharging port is fixedly formed in the bottom of the water tank, anda fixed support is fixedly arranged on the bottom of the water tank; multiple telescopic rods which are arranged at equal intervals are symmetrically hinged to two side walls of the water tank, the telescopic rods are in one-to-one correspondence with the water conveying pipes one to one, one end of each water conveying pipe is hinged to the water tank through a hinge protruding base, and the other end of each telescopic rod is hinged to the outer wall of the corresponding water conveying pipe; one main pipe is fixedly connected with the other end of each water conveying pipe, the dispersionpipes which are arranged at equal intervals are arranged on the main pipes, and separation hoods are arranged among adjacent main pipes and water conveying pipes. The water-saving fruit tree plantingirrigating device achieves effective rain collection and storage, reduces water evaporation of fruit tree planting soil in dry weathers, and makes adding of nutritional solution or other auxiliary medicine convenient.
Owner:LIUZHOU SHENGSHI PLANTATION FIELD

A method for harvesting Astragalus facility seedlings with coconut bran as substrate

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.
Owner:兰州市农业科技研究推广中心

Cold-proof vertical greening device

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.
Owner:雄安绿研检验认证有限公司

A kind of seedling raising method of Populus euphratica in greenhouse

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.
Owner:阿拉善盟林木种苗站

Flue-cured tobacco cultivation method capable of reducing labor and cost, saving fertilizer and improving efficiency

The invention belongs to the technical field of flue-cured tobacco cultivation, and particularly relates to a flue-cured tobacco cultivation method capable of reducing labor and cost, saving fertilizer and improving efficiency. The method comprises the following steps: (1) straw returning to the field during soil preparation in advance: before soil preparation in advance, rice or wheat straw is uniformly spread to the field, and then ploughing is performed; (2) high ridging before transplanting: performing high ridging before transplanting; (3) deep pond digging: digging the deep pond in the ridged tobacco field; (4) one-time double-layer fertilization: applying 50% of fertilizer to the bottom of the pond, uniformly mixing the fertilizer with soil, covering the pond with pond soil, and circularly applying the other 50% of fertilizer to a position close to the inner side of a pond opening; (5) film mulching and transplanting: performing agricultural film mulching after fertilization is completed, breaking the film and opening in the center of the tobacco pond, then transplanting tobacco seedlings, and covering the roots with fine soil. The film covering period is from flue-cured tobacco transplanting to flue-cured tobacco harvesting; the labor for tobacco production is reduced, and the fertilizer utilization efficiency is increased, so that the sustainable development of flue-cured tobacco production is facilitated.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI
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