农学 >>> 植物保护学 >>> 植物检疫学 植物免疫学 植物病理学 植物药理学 农业昆虫学 植物病毒学 植物病虫害测报学 抗病虫害育种 有害生物化学防治 有害生物生物防治 有害生物综合防治 杂草防治 鸟兽、鼠害防治 植物保护学其他学科
搜索结果: 1-6 共查到植物保护学 Biomass相关记录6条 . 查询时间(0.051 秒)
Sugar beet yield loss was predicted from early observations of weed density, relative weed cover, and weed biomass using non-linear regression models. Six field experiments were conducted in Germany a...
The purpose of this research was to examine potential bio-active substances in the lyophilisate of Pectinatella magnifica biomass and its focus was on primary screening of the biomass. Extracts of l...
Two forested catchments in the Bohemian Forest (Šumava Mts.) were investigated according to the species composition of herb layer and aboveground plant biomass. The bark-beetle gradation was obse...
During 1996–2000 the secondary succession on a field left fallow was investigated. The experimental area was divided into a ploughed and an unploughed part. Both parts were divided into 5 × 5 m plots ...
Production of large biomass yields and weed suppression from cover crops have been major constraints affecting success and uptake of conservation agriculture technologies by smallholder irrigation far...
Effect of timing and dosage in herbicide application on weed biomass in spring wheat.

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...