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- rodent pests in field 农区鼠害
- Generating pattern of rodent pest in the agricultural field of Guizhou province 贵州省农区鼠害监测结果与灾变规律分析
- Applying techniques, pest search strategies and desiccation tolerance of EPNs were influence factors for sieging pests in field. 线虫施用技术、生活习性及搜索方式直接影响其侵染力。
- Research on Predators of Rodent Pests in Jinghe Desert Forest 精河县荒漠林鼠害天敌调查报告
- Spatial pattern and economic threshold of rodent pests in paddyfield 稻田鼠害空间格局及其防治指标研究
- Preliminary study on population dynamics of rodent pests in farm land in Anhui province 安徽省农区害鼠数量消长动态的初步研究
- Investigation on rodent pests in the artificial forests of the Great Xing'an Mountains forested lands in Inner Mongolia 内蒙古大兴安岭林区人工林鼠害调查
- The results showed that the mortalities of egg,larva,pupa and adult of this pest in fields were 42.7%,14.5%,4.4% and 12.6% for the first generation,and 32.8%,16.5%,18.9% and 15.6% for the second generation,respectively. 结果表明:自然条件下;1、2代稻秆潜蝇的卵、幼虫、蛹、成虫死亡率分别为42.;7%25、14
- How many loses caused by cotton pests in 2002, USA? 2002年美国棉花害虫引起的损失有多少?
- How many loses caused by cotton pests in 2002,USA? 2002年美国棉花害虫引起的损失有多少?
- Replaces the value in field with a supplied value. 用所提供的值替换域中的值。
- E-mail notification for changes in field values. 提醒字段值更改的电子邮件通知。
- Research on the Relationship the Amount of Pests in Nursery and in Field 稻飞虱秧田虫量与本田虫量关系的研究
- He would have been pre-eminent in field work. 他对于战区的工作会有卓越的表现。
- Conclusion It functioned well in field test. 结果:经野外测定调试,应用情况良好。
- It has been proved very usefully in field. 经现场应用,效果良好。
- Signification and theory development about the environmental ecosystem rehabilitations of the rodent pests were described. 阐述了鼠类危害的环境生态修复的含义和理论发展。
- We can plant rice and wipe out the pests in the fields. 蜜蜂:是的,是的,我们能做出世界上最美味的蜂蜜。
- Chemical Control Technique for Seed Pest in Picea crassifolia kom. 青海云杉种实害虫化学防治技术。
- Through taking this kind of rodenticide, bi-effect of decreasing the cost and contolling effectively on rodent pests under the circumstances of precondition of protecring the eco-environment. 因此,通过合理投放此种鼠药,可使鼠害防治在以保护生态环境为前提的情况下,取得降低成本和有效防治的双重效果。