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为鉴定美国产除草剂农达(草甘膦ROUNDUP~R)的除草效果,我们在辽宁省果树科学研究所李杏资源圃做了田间试验,现将试验结果报告如下。1.试材与方法供试除草剂为美国孟山都公司产41%农达和国产10%草甘膦(对照)。试验园李树9年生,株行距为4×5米。杂草种类多达十几种,大
In order to identify the herbicide Nongda (glyphosate ROUNDUP ~ R) herbicidal effect in the United States, we conducted a field experiment at the Li Xing Resource Research Institute of Liaoning Province Institute of Fruit Science, the test results are reported below. Test materials and methods for testing herbicides for the United States Monsanto 41% of agricultural and domestic production of glyphosate 10% (control). Test Tree Li Shu 9 years old, spacing of 4 × 5 meters. Weeds as many as a dozen species, large