1·An added advantage of micro irrigation is weed control.
微灌的一个好处是控制杂草。
2·Weed control and timing of treatment to avoid weed penalty.
杂草控制及适时处理，以防止其蔓延危害作物。
3·A landscape fabric may be used under the organic mulches to improve weed control.
阿景观织物可用于有机覆盖物下，以提高控制杂草。
4·Accurate weed identification is the first step in a successful weed control program.
对杂草的精确确认是杂草控制项目成功的第一步。
5·Once weed control has been accomplished, further tillage of the soil is not recommended.
如果完成了杂草的控制，对土壤的再次翻耕就不需要了。
6·In modern field of chemical weed control, amide herbicides have been occupying an important position.
酰胺类除草剂在近代农田化学除草中一直占据重要地位。
7·This system included weed identification subsystem, herbicide information subsystem, weed control subsystem.
本系统包括杂草识别子系统、除草剂信息子系统、杂草防除子系统。
8·The effect is obvious on weed control with black film mulched, the fresh weight of weed in field is reduced 70.
利用黑色地膜覆盖防草效果明显 ，田间杂草鲜重比与黑膜同材质的透明地膜覆盖减少 70 。
9·Field experiments in wheat were conducted to determine broadleaf weed control efficacy of tribenuron plus synergist.
在田间条件下，用苯磺隆加增效剂对麦田阔叶杂草的除草效果进行了试验。
10·The computed results indicate that when the weed density is below the threshold, no weed control should be required.
计算结果表明，当杂草密度低于阈值时，不需要防除。
1·Field experiments in wheat were conducted to determine broadleaf weed control efficacy of tribenuron plus synergist.
在田间条件下，用苯磺隆加增效剂对麦田阔叶杂草的除草效果进行了试验。
2·In modern field of chemical weed control, amide herbicides have been occupying an important position.
酰胺类除草剂在近代农田化学除草中一直占据重要地位。