片语

preemergent weed control作物苗前杂草防治

chemical weed control practices化学除草法

weed ecological control杂草生态控制

weed-control method杂草防除法

to weed除草

weed biological control杂草生物防治

weed-control activity除草活性

weed-control techniques防除技术

weed killing除草

weed chemical control化学除草

英汉例句

• field experiments were conducted to evaluate preapplied roundup tank mixtures with atrazine plus acetochlar for weed control in zero-tillage corn field.

  对农达和乙阿合剂单用及桶混在免耕玉米田的除草效果进行了研究。

• this is a relatively new weed control principle, change the traditional design thought, past the innovation in this field weed method provides a new design ideas.

  这是一种比较新的除草原理，改变以往的传统设计思想，创新的除草方法为这一领域提供了新的设计思路。

• the result indicated that, alfalfa seedlings grew well, the weed control efficiency of trifluralin reached above 90%.

  结果表明，苜蓿幼株长势良好，氟乐灵对杂草杀灭率为90％以上。

• tactics and measures for weed control were proposed and a list of weed species in wheat, barley and rapeseed fields was appended at the end.

  最后提出大小麦和油菜田杂草防除对策和措施，并附浙江省大小麦和油菜田杂草名录。

• 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 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着上升。

• in order to make optimal strategies for weed control by simulation and model analysis, we designed and did an indoor experiment of weed seed dispersal by wind.

  为通过模型分析和模拟来制定控制杂草的优化策略，我们设计并完成了一个杂草种子风扩散的室内实验。

• 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 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 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。

• growing and killing weeds in combination with duck raising and maintenance of deep water for weed control mitigated the labor time in weeding down to 9 3% as against the control.

  养草灭草结合养鸭除草和深水控草，使杂草最少的地块除草用工时间仅为完全人工除草地块的9 3% ；

• 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。

• 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社区试验，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。

• 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 。

• 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。

• an integrated weed control can be based on the growth traits of weeds, herbicides and their descriptions derived from the expert system.

  查询各种杂草的生长特性、除草处方和除草剂信息可为杂草综合防治提供依据。

• 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。

• the status of weed control in turf bermudagrass in usa, which troublesome problem was grass-weed control, was introduced on the basis of document review.

  根据文献报道，介绍了美国高尔夫球场狗牙根草坪杂草防除的进展。

• practice and experiment, in fields have been conducted to study the better weed control strategy according to the biological and ecological eharaet- ors of weed in orchard.

  针对果园杂草的生物学和生态学特性，通过生产实践和试验研究，结果初步表明；

• chemical weed control on sugarcane is being rapidly developed in recent decade in guangdong province, it is due to the labor shortage and high wage in the rural country.

  近年来广东甘蔗化学除草正在迅速发展，主要是农村劳动力的供应短缺和工资高涨所致。

• 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。

• 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。

• effect of fertilizer on weed control efficiency of methsulfuron-methyl sodium was correlated to the time of herbicide application.

  肥料对甲磺隆钠盐杂草防效的影响与施药时间有关。

• the main reasons of the fast development of gms in usa and argentina were that gms made the weed control in soybean production convenient and with high efficiency.

  美国和阿根廷转基因大豆快速发展的主要原因是种植转基因大豆可使杂草管理便利化和高效率。

• 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。