论文部分内容阅读
玉米是黑龙江省的主要粮食作物之一。玉米田的化学除草面积已占玉米种植面积的30%左右。除草剂在给农业生产带来经济效益的同时,也伴随着某些不利的影响,除草剂对作物造成药害就是其中的一个重要问题。本文报道的几种除草剂在玉米上的药害症状观察结果,可为农业生产实践中对除
Corn is one of the main food crops in Heilongjiang Province. Chemical weedy fields in corn fields account for about 30% of the area planted with corn. Herbicides bring certain economic benefits to agricultural production along with some adverse effects. Herbicide is one of the most important problems caused by crop injury. In this paper, several herbicide symptoms of corn on the observation of the symptoms, for the practice of agricultural production in addition to