国防效果评价 1. The methods that combining qualitative index and quantitative index,integrating cost-benefit/effectiveness analysis withnational defense effect appraisal,society effect appraisal,establishing a se
校正防治效果 1. The test ofcorrection control effectof imidacloprid has been produced agaist Erythroneura apicalis nawa in 1,3,7,14,21d respectively. 同时,还进行了一遍净对葡萄斑叶蝉的校正防治效果试验,药后1 d,药剂的校正防效不高,为8。
a半挂车好开吗 The semitrailer good starts[translate] a和空白对照相比,各药剂处理对烟蚜均有一定防治效果 Compares with the blank comparison, various medicament process to the smoke aphis have certain preventing and controlling effect[translate]
和空白对照相比,各药剂处理对烟蚜均有一定防治效果问题补充:匿名 2013-05-23 12:21:38 正在翻译,请等待... 匿名 2013-05-23 12:23:18 In contrast, and blank contrast the pharmaceutical treatment of smoke there is a certain combat effectiveness laya 匿名 2013-05-23 12:24:58 Compares w...
植病生防菌剂对黄瓜根腐病的防治效果研究问题补充:匿名 2013-05-23 12:21:38 Plant Pathology Health anti-agents on the control effect of the cucumber root rot 匿名 2013-05-23 12:23:18 Health and anti-bacterial plant disease agents of cucumber root rot of the combat effectiveness ...
aThe next meeting I hope you will speak Chinese 下会议I希望您将讲中文 [translate] a表17 不同药剂对马铃薯晚疫病的防治试验防治效果统计表 Table 17 Different medicament to late blight of potato preventing and controlling experiment preventing and controlling effect statistical table [translate] ...
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。 关键 词: 及其 制剂 棉花 真菌 病害 防治 效果 英文 《木霉及其制剂对棉花真菌病害的防治效果(英文).pdf》由会员分享,可在线阅读,更多相关《木霉及其制剂对棉花真菌病害的防治效果(英文).pdf(...
a最靠近河道水体宽约15m的林带是受保护的永久性植被;中间较宽的林带允许有规划地进行砍伐,提供有用的林产品;最靠近田地是宽约8m的缓冲草地带,这种缓冲模式在美国东南部平原上受到了很好的农业面源污染防治效果。 Most approaches river course water body width approximately 15m the forest belt is the ...
为了推进"绿色植保",减少农药用量及残留和环境污染与防治成本,确保玉米生产、品质和生态环境安全,促进玉米增产增收,采用灯下诱蛾和田间剥查与试验示范相结合等方法,开展生物导弹防治玉米螟效果和效益研究。结果表明,每公顷投放生物导弹30～37对,平均防效78.0%,防治成本139.50～172.50元,比化学农药防治少142.50～...