>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-4 共查到soil cultivation相关记录4条 . 查询时间(0.171 秒)
A field experiment was carried out in the years 2002-2004 at the Zawady Experimental Farm owned by the University of Podlasie, Siedlce (52o06’ N; 22o06’ E). The factors were: two methods of soil till...
Research results come from a field experiment which was conducted over 2002-2004 at the Zawady Experimental Farm owned by the University of Podlasie, Siedlce (52o06’ N; 22o06’ E). Experimental design...
The study was conducted in north-eastern Poland (53o35′ N; 19o51′ E), over 2000-2002. The aim of the experiment was to determine the effect of simplified tillage and different plant density per area u...
The experiment with the crop rotation: winter wheat, pea, corn, spring barley and cow-grass were founded in 2001-2004. We examined the effect of the preceding crop, the soil cultivation and fertilizat...

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...