In terms of the leaves' shape difference of corn seedling and weed seedling in the field, the approach that used shape feature factors of area and compactness to classify corn and weed was studied.
根据玉米田中玉米和杂草幼苗叶片的形状特征，研究了利用形状特征因子——面积和分散度识别玉米和杂草的方法。
According to the researches on the usage of herbicided in zero tillage corn field, the results showed that thesingle herbicide could be adopted in the field-grown grassy weed.
通过对免耕玉米田不同除草剂使用方法和用量的研究表明，田间若以禾本科杂草为主可用单剂防治，若禾本科杂草和阔叶杂草混生以使用混剂为好，且采用土壤处理法防效最佳。
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