Maintenance and storage of cotton seeders
In the process of using agricultural machinery and tools, the performance of parts will be reduced or lost due to natural and man-made factors. Therefore, the technical maintenance of agricultural machinery is extremely important, correct maintenance and storage can greatly improve the service life of agricultural machinery, avoid premature wear of machinery and parts, and keep the machinery and tools in good technical condition.
Through the promotion of 514000 mu machine cotton picking in Shawan County this year, the author summarizes some essentials for the maintenance and storage of cotton planter. The maintenance of cotton planter can be divided into three types: pre-operation maintenance, in-operation maintenance and post-operation maintenance.
Maintenance before operation: check whether the safety protection device of each part is intact and installed in place; check whether the fastener is fastened, if it is loose, fasten immediately; check whether the working parts are detached, deformed or damaged, and if problems are found, it should be corrected or replaced in time; check whether the transmission parts rotate flexibly and fill with lubricating oil if necessary. The part that needs to be lubricated: the roller bearing housing is lubricated every sowing date, the film roller sleeve, the film wheel sleeve, the trenched disc and the earth-covered disc bearing, the earth-covering wheel bearing, the hole seeder sleeve and the ground wheel bearing housing are injected with butter every three days.
Maintenance in operation: check whether all screws and joints are fastened to eliminate possible accidents; check whether all vulnerable parts are in good condition; when the machine arrives on the ground, check whether the duck bill is clogged, seed box, hole seeder, conveying pipe are blocked; every shift removes the sand and sundries on the machine to prevent corrosion; clean the hole seeder every certain time (about half a day).
Maintenance after operation: check that all screws and joints are fastened to eliminate possible accidents; check that all vulnerable parts are in good condition; remove sediment and debris from the machine to prevent corrosion; remove seeds and fertilizers in the seed box; check the seed box and conveying pipe for debris blockage; check the bearing parts, the lack of lubricating oil should be filled with lubricating oil, those entering the dust should be cleaned, and the damaged ones should be replaced.
The storage of machines and tools has a great impact on the performance of machines and tools, such as serious corrosion of machines and tools exposed for a long time, inflexible parts and so on, in order to facilitate the use of the next operating season, machines and tools should be stored correctly: choose places to avoid light and rain; empty hole seeder, seed metering pipe, soil covering wheel; thoroughly clean the soil and debris on the machine; lubricate bearings and adjust bolts. Lubricate the general drive shaft and chain transmission mechanism; remove the hole seeder to remove the soil machine and sundries inside; apply antirust oil and paraffin wax to protect all parts of the machine from rust, repaint the rusty parts and repair them to avoid expansion; folding and storage machines are strictly prohibited.
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Key points of cotton sowing technology
Cotton is still the main crop in agricultural production in Yaobei, and the cotton sown area is estimated to be 25-30 million mu in 2007. In recent years, cotton output has increased steadily, and economic benefits have been continuously improved. In 2006, the actual cotton area of the whole city was 26000 mu, the average seed cotton yield was 193kg (equivalent to 76.5kg lint per mu), the output value per mu was 1150 yuan, and the income per mu was about 1000 yuan after deducting the cost of agricultural production. In particular, after popularizing insect-resistant hybrid cotton, the cost of using pesticides in cotton fields continues to decline, which will affect the farmland environment.
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Special circumstances encountered after cotton sowing
Treatment of several special cases of cotton after sowing 1. After sowing, soil moisture should be checked in time. For cotton fields with poor soil moisture and the possibility of drying out, ditches can be opened at the edge of the seed ditch to irrigate small water; cotton fields without water irrigation conditions can suppress and increase soil moisture before the seedlings are unearthed. 2. In case of rain after sowing, the ground is easy to harden and shell when it rains after sowing. After the rain, hoe and loosen the soil should be made in time to break the knot to help the seedlings to be unearthed. If the soil cover is too thick, you should pick the soil to save the seedlings; the seedlings can not stand the strong light of the sun, so you should pay attention when picking the seedlings.
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