在我所农场的小麦生产上,杂草危害和倒伏是影响产量迅速提高的两大因素。近几年来由于普遍采用二甲四氯钠盐化学除草剂,基本上控制了灰菜、辣麻麻、永红花,老来红等主要杂草的发生危害。1973年播种的257亩小麦没有进行中耕除草,只打了一次除草剂,但比往年 The weed hazards and lodging on my farm’s wheat production are two major factors that affect the rapid increase in production. In recent years due to the widespread use of MCPA chemical herbicides, basically control the gray weed, spicy Ma Ma, Yong safflower, Lao Laihong and other major weeds hazards. The 257 acres of wheat planted in 1973 were not cultivated for weeding but only for one herbicide, but more than in previous years