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: 1-10 共查到植物保护学 organic相关记录10条 . 查询时间(0.191 秒)
Cover crop–based organic rotational no-till soybean production has attracted attention from farmers, researchers, and other agricultural professionals because of the ability of this new system to enh...
Although many people are convinced of the superiority of organic agriculture in any form, there are many negative aspects that follow this type of agricultural system. The productivity of organic crop...
An increasing number of researchers worldwide are showing interest in organic amendment of soil as means of nematode control. Numerous plant species with nematicidal compounds have been identified. Ne...
Influence of soil tillage methods on the weediness and yields of spring wheat, spring barley and field pea in organic crop rotation.
The paper deals with the analysis of organic food selling within the chain store companies operating in the region of South Bohemia. The analysis is based on a questionnaire survey done in 2007 the ai...
The impact of different types of organic mulches on weed emergence.
A grazed field experiment was established in 1995 to evaluate alsike clover (Trifoliun hybridum L.), red clover (Trifolium pratense L.) and white clover (Trifolium repens L.) in clover-grass mixtures ...
The influence of organic farming on weed seed bank under two different crop rotations: with and without manure, was investigated in an organic farm of Kazliskiai over the period of 1997–2002. Proven b...
Two organic compounds of selenium, 4-o-totyl-selenosemicarbazide p-chlorobenzoic acid (chain compound) produced at the Chemistry Department of the University Medical School in Lublin, and one inorgani...

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...