论文部分内容阅读
麦田杂草与小麦竞争临界期研究张建明,张洪进,张夕林,严佑建(江苏省通州市植保站226300)麦田中小麦与杂草的竞争与群体优势紧密相关,竞争结果必然出现优胜劣汰的结果。由于农田杂草与麦苗在冬春生长势的差异,必然导致群体优势建立时间的差异。为了明确麦苗与...
Competition between Wheat and Weeds in Wheat Fields The competition between wheat and weeds is closely related to the advantages of colony. The result of competition is bound to be the result of survival of the fittest. Due to differences in the growth potential of farmland weeds and wheat seedlings in winter and spring, differences in group establishment time will inevitably result. In order to clear wheat seedlings and ...