论文部分内容阅读
近来,黑龙江省许多农户来电话和来信询问有关大豆苗后难治杂草的化除问题。针对这些问题谈谈我的意见。今年黑龙江省的气候条件比较适合除草剂的土壤施药。目前全省大豆田除草剂的土壤封闭用药正在大面积实施。由于播种及播后苗前土壤施药期间降雨频繁或大风不断,使得一些农民朋友错过了苗前施药时机。近日由于土壤墒情好,大豆和土壤表层杂草同期出苗,这时正是防除杂草的良好时机,但大豆在拱土期对除草剂的安全性要求十分严格,
Recently, many farmers in Heilongjiang Province called by phone and inquired about the removal of refractory weeds from soybean seedlings. Talk about my opinion on these issues. This year’s climate conditions in Heilongjiang Province, more suitable for herbicide soil application. At present, soil sequestration of herbicides in soybeans in the province is being implemented on a large scale. Due to frequent or vigorous winds during sowing and sowing of soil before application, some farmers and friends missed the opportunity of pre-emergence spraying. Recently due to soil moisture, soybean and soil surface overgrowth of weeds at the same time, it is a good time to control weeds, but soybean in the arching period of the safety requirements of herbicides is very strict,