A chemical controlling suitable period weeds in soybean field is simulated based on pixel histogram method to determine centor row width of crop-row and to recognize inter-row weeds.
以化学防除适期豆田杂草为研究对象，根据条播作物豆田作物行的间距相对固定的位置特征，利用像素直方图法确定作物行的中心行宽并识别行间杂草。
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。
inter have now failed to win in nine serie a matches and have lost their last four in a row.
国际米兰在主场和有巴治奥助阵的布雷西亚打成一比一平手，表现令人失望。现时跌至联赛榜第十一位。
inter have now failed to win in nine serie a matches and have lost their last four in a row.
国际米兰在主场和有巴治奥助阵的布雷西亚打成一比一平手，表现令人失望。现时跌至联赛榜第十一位。
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