The results showed that the overall weed control effects of rice straw coverage were above 85% and significantly increased the light intensity in rape fields.
结果表明，稻草覆盖总体控草效果可达85%以上，使油菜株间光照强度显著上升。
An added advantage of micro irrigation is weed control.
微灌的一个好处是控制杂草。
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。
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。
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。
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。
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。
This paper deals with the conception, significance, measures of integrated weed control in turf and its current problems.
概述了草坪杂草综合防除的概念、意义、措施以及目前草坪杂草防除上存在的问题。
This paper discusses the efficacy of foramsulfuron used with Biopower at different concentration ratios for weed control in corn.
探讨了甲酰胺磺隆+拌宝不同浓度配比对玉米田杂草的防除效果。
In recent years, effective weed control by allelopathy characteristics of plants in agricultural and animal husbandry ecosystem has been studied and applied widely.
近年来，利用植物的化感特性达到对农牧业生态系统中杂草的有效控制已被广泛研究和应用。
The phytocidal composite efficiently expands the weed control spectrum and has better control efficiency to the main grassy weed and the broadleaves in the cotton field.
本 除草组合物有效的扩大了杀草谱，对棉花田中的主要禾本科杂草和阔叶杂草均有较好的防效。
The infrared-transmitting (IRT) mulches provide the weed control properties of black mulch and are intermediate between black and clear mulches in terms of increasing soil temperature.
红外线透性薄膜有黑色薄膜那种控制杂草的特性，在增加土壤温度方面介于黑色与透明薄膜之间。
The effect of the new kind of concentrated compound fertilizer contained with herbicide on weed control and wheat growth in the wheat field was studied in the basin culture and the plot trials.
通过盆钵栽培和田间小区试验，研究新型高效复配小麦专用除草药肥对麦田杂草防效和小麦生长发育的影响。
In the biological control of weeds, the measure which was first studied and applied, and which has also been proved effective is weed-control by insects.
在杂草的生物防除中，研究和应用得最早且证明效果最好的措施是利用昆虫防除杂草。
In the biological control of weeds, the measure which was first studied and applied, and which has also been proved effective is weed-control by insects.
在杂草的生物防除中，研究和应用得最早且证明效果最好的措施是利用昆虫防除杂草。
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