preemergence

preemergence

1. Factors Affecting the Effect of Preemergence Herbicide

影响苗前除草剂药效的因素

2. Preemergence anticoagulant

抗旱保水剂

3. Preemergence anticoagulant;

抗旱保水剂;

4. The synthetic result of this study indicated that Harness was the primary preemergence herbicide for the spore stroma of Osmunda japonica Thunb propagation, and trifluralin was secondary.

综合评价结果为禾耐斯是薇菜孢子繁殖基质的首选芽前除草剂，氟乐灵次之。

5. preemergence herbicide

芽前除草剂

6. preemergence sprayer

苗前喷雾器

7. preemergence treatment

苗前处理

8. Reason Analysis on Bad Effect of Preemergence Herbicides

苗前除草剂药效差的原因分析

9. Screening of Preemergence Herbicide Based on Spore Stroma of Osmunda japonica Thunb and Study of Its Spore Security Test

薇菜播孢基质芽前除草剂筛选及对孢子安全性试验研究

10. Acetanilide herbicides are widely used for preemergence control of broad-leaved weeds in corns, soybean and several other other crops.

酰胺类除草剂是目前应用广泛的芽前除草剂，主要用于大豆、谷物及其它几种阔叶草的优先控制。