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- Study on Weed Control Technique for Cane Field with Application of Glyphosate 草甘膦应用于蔗田除草的技术研究
- 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。
- Are statistical quality control techniques used? 是否使用了质量控制统计技术?
- Management control techniques (Proficiency Level) . 管理控制技术（要求熟练掌握）。
- Ross D L,David C S,Giles D K.Precision weed control system for cotton. 陈勇.;自动施药机器人及可变量控制系统研究:[博士学位论文]
- Burning of crop residues; minimum tillage and hand pulling for weed control(farmers' practice). 焚烧作物残体，少耕和人工除草（农民习惯措施）。
- Field experiments in wheat were conducted to determine broadleaf weed control efficacy of tribenuron plus synergist. 摘要在田间条件下，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。
- 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。In general; black plastic is not recommended in soils that are poorly drained.;一般来说，黑色塑料，不建议将是排水不良的土壤。
- 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。
- The results showed that the total weed control effect of 10% ZJ0273 EC at the application rate of 75 mL/ha were over 85%. 结果表明,10%25丙酯草醚EC75mL/hm2对油菜阔叶杂草、禾本科杂草及总体防除效果都在85%25以上,具有杀草谱广、持效期长、防除效果好和成本较低等特点。
- These methods are better than pollution control techniques that have to be applied after a waste material has become a potential pollutant. 这些方法比在废料成为潜在污染物之后，才采用的污染控制技术更为优胜。
- Integrating this technology with chemical weed control,the practice suited to mechanization,and saved energy with improved yield. 该技术与化学调控和化学除草技术相配套,适于机械化作业,达到节能高产的目的。
- Another factor affecting the degree of decentralization is the state of development of control techniques. 影响分权程度的另一个因素是控制技术的发展情况。
- In the future more detailed knowledge of safener action is required to improve the effective use of safener in weed control. 由于目前广泛地使用保护剂，因此在考虑如何有效利用保护剂以提高除草剂之选择性方面，对于保护剂作用机制之了解相当重要。
- When grass carp are introduced for weed control, they are often sterile in order to prevent them from overbreeding and then starving to death. 引进草鲤控制水草生长时，通常先得结扎，以防止过度繁殖而导致饥饿致死。
- Independent judgment in the evaluation, selection and adaptation of various document control techniques is required. 独立的分析、判断能力,各种文件的控制技巧。
- In these situations, adjust mowing, fertilizing, aeration, and weed control practices appropriately to the watering schedule. 在这种情况下，调整修剪，施肥，通风，以及杂草控制的做法恰当的浇水时间。
- Study on Causal Agent, Epidemic Law and Integrated Control Techniques of Turfgrass Brown Patch Disease. 草坪褐斑病病原菌鉴定、流行规律及其综合控制技术的研究。
- In addition, the selection of the apposite herbicide and effective weed control were quarantee of success in rice dry planting. 选用适当的除草剂并进行有效除草是水稻旱种成攻的保证。
- Study on the Biological Characteristics and Control Techniques of Pantana Phyllostachysae Cho. 刚竹毒蛾生物学特性及防治技术研究。
