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通过对割地草选择性原理、森林苗圃杂草发生规律、用药最佳期的选择等研究，提出了割地草在森林苗圃的应用技术
Based on the researches on the selective principle of cut grass, the law of occurrence of weeds in forest nursery and the selection of the optimal period of medication, the application technology of cutting grass in forest nursery