摘要
青海省农林科学院植保所研制的复配除草剂“油田清”、“油草枯” ,在青海浩门农场白菜型油菜田进行除草示范试验。结果表明 ,使用油田清 2 85 0ml·hm- 2 播前土壤处理 ,油草枯 12 75ml·hm- 2 茎叶喷雾 ,防除野燕麦和阔叶杂草总体控制效果均达 85 %— 90 %以上 ,对油菜安全、使用后增产 2 0 %以上。
Mixed herbicides youtianqing and youcaoku were made by Plant Protection Institute of Qinghai Academy of Agriculture and Forestry.They were be applied to control weeds of Chinese cabbagic rape field in Haomen farm.The results showed,appling outianqing 850ml·hm -2 disposing soil before sowing,and youcaoku 1275ml·hm -2 sprayed on stem and leaf of Avena fatua L. and leaf of forb to control them.The effect of control weeds could beyoud 80%—95%. Rape yield increase was over 20%.It is safed for rape growing.
出处
《青海农林科技》
2003年第3期14-15,72,共3页
Science and Technology of Qinghai Agriculture and Forestry
