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- 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。
- Weed Control Effect on Spring Wheat Field to Use Pardner 22.5% EC 5%25伴地农乳油防除春小麦田杂草效果
- Weed Controlling Effect of Degradable Ecomat in River-beach Afforestation 可降解生态垫在河滩地造林中抑制杂草的效果
- Weed control effect 控草效果
- 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。
- 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。
- 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]
- Control effect of Nongwang on Solidago canadensis L. 农旺防除加拿大一枝黄花效果初探。
- Chlorsulfuron is a new herbicide on wheat field that has many advantages such as high effect,ultra-low dosage,low toxicity,wide weed control spectrum,free application stage,no drift damage and so on. 绿黄隆是一种麦田新型除草剂，具有高效、超低用药量、低毒、杀草谱广、使用时期灵活，无飘移危害等优点。
- Abstract: 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. 文摘: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。
- 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。
- Controlling Effect of 6 Insecticides on Beet Barathra brassicae L. 6种杀虫剂对甜菜甘蓝夜蛾的防治效果。
- Some pets should now be immune to crowd control effects. 一些宠物现在应该免疫人群控制效果。
- 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。
- 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。
- Simulation and experiments indicate that the control method features better control effect than the AC drive system based on PID adjustor control. 仿真试验结果表明此种控制方法比基于PID调节器控制的交流传动系统具有更好的控制效果。
- 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。
