... perennial ryegrass 多年黑麦草 perennial weeds 多年生杂草 perennials 多年生植物 ...
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perennial weed of persistent root 宿根多年生杂草
perennial broadleaf weed 多年生阔叶杂草
perennial broadleaf weed control 多年生阔叶杂草
·2,447,543篇论文数据,部分数据来源于NoteExpress
The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.
选用24%氨氯吡啶酸水剂,对林地一年生及多年生阔叶杂草、灌木进行防除试验。
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