Manual weeding weeding time. About 7 to 10 days after sowing, seedling emergence, seedling emergence and attention should be paid to control weeds, drill can be inter row weeds.
除草及时进行人工除草。播后约7 ~ 10天出苗，出苗前后应注意防治杂草，条播者可进行行间中耕除草。
In accordance with the difficult problem that it is difficult to discover the amount of sowing exceed the limit when rice drill is sowing, a detector system for rice drill is designed.
针对水稻机直播时播种量超限不易察觉的难题，研制了水稻直播机自动监控系统，而在该系统设计过程中的第一大难题就是对实际播种信号的采集问题。
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