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为了明确10%喹禾灵乳油对甜菜田杂草的防除效果及其对甜菜作物的安全性,1992年我们在黑龙江北安市花园农场和内蒙古呼和浩特市郊进行了田间试验,现将结果报道如下。一、材料与方法1.试验药剂:10%喹禾灵乳油(南通农药厂),10%禾草克乳油(日产化学株式会社)。2.试验田基本情况:黑龙江试验田土壤为淋溶性黑钙土、有机质含量5.87%,pH6.7;内蒙古试验田土壤为草甸栗钙土,有机质含量2.5%,pH7.8,前茬作物小麦。
In order to clarify the control effect of 10% quizalofop-ethyl on beet weed and its safety on beet crops, we conducted field trials in Garden Farm, Bei’an, Heilongjiang and in the outskirts of Hohhot, Inner Mongolia in 1992. The results are reported as follows. First, the material and methods 1. Test agents: 10% Quizalofop-butyl oil (Nantong Pesticide Factory), 10% Wo Ke Ke EC (Nissan Chemical Co., Ltd.). 2. The basic situation of the experimental field: The soil of the experimental field in Heilongjiang is leaching chernozem with the organic matter content of 5.87% and pH 6.7. The soil of the experimental field in Inner Mongolia is the meadow chestnut soil with the organic matter content of 2.5% and the pH of 7.8.