1986年7月下旬至10月下旬,笔者在江苏太湖农业区13县(市)、1市郊的54个乡、70个村,调查了658块中、后期稻田(其中单季稻513块,双季稻45块),查明了太湖农区稻田杂草种类及其危害程度,并对影响稻田杂草区系组成和发生的因素作了研究,提出防除策略。 调查方法 From late July to late October 1986, the author investigated 658 mid-to-late paddy fields in 13 counties (cities) in 13 Taihu agricultural areas and 54 villages and 70 villages in the outskirts of Jiangsu Province (including 513 single-cropped rice and double-cropped rice 45). The species and the degree of damage of weeds in the paddy fields in Taihu Lake area were identified, and the factors influencing the composition and occurrence of the weed in paddy fields were also studied. The control strategies were proposed. investigation method