According to Gu Yuhuan, Senior Engineer of Agricultural Machinery Promotion Station of Ninghe County, Tianjin, there are ten issues that should be noted: First, according to the requirements of the user's manual, the seeder should be installed and adjusted to meet the technical requirements; Second, it should be observed before sowing. The situation of the plots, such as the plot size, ground shape, concentration, and obstacles, were well known to ensure the quality of operations and crew safety. Put the seed fertilizer on the appropriate place in the ground, reduce the time of adding seed and fertilizer, and improve the work efficiency; Thirdly, the sowing crew should try to avoid parking during the work journey, and must stop the seedlings when they have to stop to prevent the phenomenon of “broken bar”. The machine rises, backs up a certain distance, and continues to sow. When descending the planter, lower it as the tractor slowly advances. After the opener is put into the soil, the planter must not retreat to avoid blocking or damaging the openers. Fourthly, when turning the ground, the planter should be suspended or the openers and soil working parts should be raised to cut off the metering device and the fertilizer device. The power to raise the marker, and then turn; Fifth, the seeds must be clean and dry, not mixed with straw, stones, to prevent blocking the seed outlet, affecting the amount of seed removal; Sixth, the operator should always observe the work The work of the various parts of the planter is normal, with particular attention should be paid to whether the metering device is discharged, whether the input pipe is blocked or not, whether the opener is blocked by wet soil, and whether the work of the cover-covering roller is normal; , we must carefully clean up the seed box so as not to mix seeds and cause faults. After the fertilizer box is used, it must be cleared in time to prevent the machine from rusting. Eighthly, the remaining seeds after sowing should be properly handled and strictly prohibited from being eaten to prevent human and animal poisoning. Nine is to be properly kept after use. For those spare parts, wearing parts and easy Lost items and their special tools should be kept properly. Tenthly, the planter should be placed in a dry shed. Do not place it with chemical substances such as chemical fertilizers, pesticides, or alkaline acids.

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