Straw returned to field in full wheat
2022-12-25 14:05:23
The technical process of returning straw to full wheat can be summarized as "rice harvesting → synchronous smashing of grass → uniform spreading → spreader basal fertilizer → smashing sorghum returning → uniform seeding wheat seed → sorghum seed cover (or small tractor cover seedlings) → Timely flooding → all seedlings sown, for the large farmer implements the process of "rice harvesting → synchronous smashing grass → uniform scattering → spreader basal fertilizer → smashing slag returning → uniform seeding wheat → cover seed repression (or mechanical one-time uniform Broadcast broadcast suppression) → Timely opening → natural emergence (small and flat fields, irrigation ditch water and put it). Focusing on the technical requirements of “shrinking and cutting, uniforming grass, deep spinning, and realizing soilâ€, the specific technical points for the full amount of straw returned to the field are as follows:
First, chopped fine, spread should be uniform: Rice harvesting machinery must have a chopping device, so that when the straw was chopped into about 5 cm, and even throwing the field, eliminating the need for artificial linen, while leaving The height is less than 10cm. If a large farmer uses an old-fashioned harvester with a shredding and non-distribution device, straw ridges can be planted with a cover machine for mechanical grass.
Second, spread base fertilizer, stubble return field: in accordance with 45% per acre compound fertilizer 60 kg + urea 15 kg, or per acre application of wheat special formula fertilizer 60-70 kg + urea 15 kg or so, on the straw (with straw maturity The agent is then mixed with 4 pounds per mu for base fertilizer. Then use a medium-sized tractor with more than 75 horsepower to carry out rotary tillage and returning to the field. The depth of buried grass should reach 16 cm or more. The addition of urea to basal fertilizer provides rice straw with nitrogen from the soil during rot decomposition.
Third, uniform seeding wheat seeds, seedlings cover seed: a large area of ​​farmer wheat per acre sowing rate, than when no straw to return more than 3 pounds, as far as possible appropriate sowing, according to the different sowing time adjustment of the amount of sowing; large farmer generally wait for rice When it is fully mature, it will be harvested, so the sowing time will be later (11/middle -12/early) and the seeding volume will be increased. After sowing, mechanical hoeing, hoeing and ditching of soil cover the seeds, pay attention to the field of three ditch matching, inside and outside the same, rain lived in the field. If it is a large farmer, it can be used to cover seed with seeds and repression with a barrel behind, or to use a seed drill to drill and suppress it once, and then open it as required. Generally, it is about 8 feet wide. Note that due to the large number of birds such as crows during autumn sowing, wheat is vulnerable to damage after sowing, and it is also a bird-fighting problem that large farmers encourage seeds after sowing.
Fourth, timely drowning, to ensure that the whole seedlings: a large area of ​​farmers should promptly drowning after sowing, 2-3 days after sowing have moderate to heavy rain, do not drown, only light rain can be filled with ditch water and put it, mainly The purpose is to ensure that wheat seeds absorb enough water without swelling, promote the combination of soil, straw, and wheat to ensure that all seedlings are seeded, seedlings are protected, and frost protection is ensured. For the large farmer, if the plots are small in area, the fields are relatively flat, the terrain is high, and the land for irrigation and drainage is convenient, they can also be filled with gutters of water and they can be put in one place. However, the area of ​​plots is larger, the terrain is uneven, and the terrain is relatively high. Low-level, long-irrigation fields do not advocate drowning, and inadvertent emergence of wheat seedlings and incomplete emergence of seedlings occurs. This type of field uses spring wheat varieties for seeding, and after mechanical cover, seeds are allowed to absorb natural rainwater. And soil moisture germinates and emerges, even if there is no problem with emergence before and after Spring Festival.
After seedlings were sown, they were transferred to normal management, and they did a good job of removing pre-winter soil, reaping balance fertilizer from seedlings, reapplying jointing and panicle-fertilizer, and preventing and curing wheat sheath blight.
First, chopped fine, spread should be uniform: Rice harvesting machinery must have a chopping device, so that when the straw was chopped into about 5 cm, and even throwing the field, eliminating the need for artificial linen, while leaving The height is less than 10cm. If a large farmer uses an old-fashioned harvester with a shredding and non-distribution device, straw ridges can be planted with a cover machine for mechanical grass.
Second, spread base fertilizer, stubble return field: in accordance with 45% per acre compound fertilizer 60 kg + urea 15 kg, or per acre application of wheat special formula fertilizer 60-70 kg + urea 15 kg or so, on the straw (with straw maturity The agent is then mixed with 4 pounds per mu for base fertilizer. Then use a medium-sized tractor with more than 75 horsepower to carry out rotary tillage and returning to the field. The depth of buried grass should reach 16 cm or more. The addition of urea to basal fertilizer provides rice straw with nitrogen from the soil during rot decomposition.
Third, uniform seeding wheat seeds, seedlings cover seed: a large area of ​​farmer wheat per acre sowing rate, than when no straw to return more than 3 pounds, as far as possible appropriate sowing, according to the different sowing time adjustment of the amount of sowing; large farmer generally wait for rice When it is fully mature, it will be harvested, so the sowing time will be later (11/middle -12/early) and the seeding volume will be increased. After sowing, mechanical hoeing, hoeing and ditching of soil cover the seeds, pay attention to the field of three ditch matching, inside and outside the same, rain lived in the field. If it is a large farmer, it can be used to cover seed with seeds and repression with a barrel behind, or to use a seed drill to drill and suppress it once, and then open it as required. Generally, it is about 8 feet wide. Note that due to the large number of birds such as crows during autumn sowing, wheat is vulnerable to damage after sowing, and it is also a bird-fighting problem that large farmers encourage seeds after sowing.
Fourth, timely drowning, to ensure that the whole seedlings: a large area of ​​farmers should promptly drowning after sowing, 2-3 days after sowing have moderate to heavy rain, do not drown, only light rain can be filled with ditch water and put it, mainly The purpose is to ensure that wheat seeds absorb enough water without swelling, promote the combination of soil, straw, and wheat to ensure that all seedlings are seeded, seedlings are protected, and frost protection is ensured. For the large farmer, if the plots are small in area, the fields are relatively flat, the terrain is high, and the land for irrigation and drainage is convenient, they can also be filled with gutters of water and they can be put in one place. However, the area of ​​plots is larger, the terrain is uneven, and the terrain is relatively high. Low-level, long-irrigation fields do not advocate drowning, and inadvertent emergence of wheat seedlings and incomplete emergence of seedlings occurs. This type of field uses spring wheat varieties for seeding, and after mechanical cover, seeds are allowed to absorb natural rainwater. And soil moisture germinates and emerges, even if there is no problem with emergence before and after Spring Festival.
After seedlings were sown, they were transferred to normal management, and they did a good job of removing pre-winter soil, reaping balance fertilizer from seedlings, reapplying jointing and panicle-fertilizer, and preventing and curing wheat sheath blight.
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