农学 >>> 植物保护学 >>> 农业昆虫学 >>>
搜索结果: 1-4 共查到农业昆虫学 Yield相关记录4条 . 查询时间(0.046 秒)
Cucumeropsis mannii Naudin, (Cucurbitaceae) is cultivated in Africa for its important seeds used as food and in the traditional medicine. This work carried out in Yaoundé (Cameroon) focuses on t...
Traditional agronomic practices are often ineffective in preventing cotton (Gossypium hirsutum L.) yield losses due to the Columbia lance (CLN) nematode (Hoplolaimus columbus Sher), so control relies ...
No precise economic injury levels or action thresholds have been established for pests infesting transgenic Bt cotton, Gossypium hirsutum L. This study was designed to quantify the effects of injury t...
A large percentage of Bollgard cotton is treated for bollworms [Helicoverpa zea (Boddie)] with little information about economic losses from these infestations. The impact of bollworm infestations on ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...