论文部分内容阅读
随化学除草面积的不断扩大,应用作物的增加,发生药害的问题日益突出,给农业生产带来不同程度的为害。2012~2013年作者连续两年对黑龙江省牡丹江市主要农作物除草剂药害发生情况进行调研,发现各类农作物发生药害面积约17.5万公顷,经济损失上千万元,主要受害作物有玉米、大豆、水稻、西甜瓜、马铃薯等,范围涉及全市5个市县4个城区30几个乡镇。现通过对除草剂药害发生原因进
With the continuous expansion of chemical weeding area, the problem of pesticide damage has become increasingly prominent with the increase of applied crops, which brings about different degrees of harm to agricultural production. From 2012 to 2013, the author investigated the occurrence of herbicide damage of major crops in Mudanjiang City, Heilongjiang Province for two consecutive years and found that about 175,000 hectares of crops were harmed by various crops, with an economic loss of over 10 million yuan. The main crops harmed were corn, Soybeans, rice, melons, potatoes, etc., covering the city’s five cities and counties in four cities and districts 30 several townships. Now through the causes of herbicide injury into