农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-5 共查到农学 ploughing相关记录5条 . 查询时间(0.134 秒)
The research was focused on operational measurements of tractor plough tools and their subsequent utilisation and simulation under laboratory conditions by a hydrostatic simulator. In this field, th...
The paper analyzes the effect of whole-area site preparation by ploughing and of alternate field and forest crops on the understorey, soil biological activity and physical and chemical characteristics...
Experiments were carried out at the of the Lithuanian University of Agriculture in the period of 20022003. The aim of the work was to investigate elements of non-chemical weed control methods a...
Experiments on methods of perennial weed control were carried out at the organic farm of Lithuanian University of Agriculture in the period 2002-2003. The aim of the work was to investigate the in...
Field trials were conducted over the period 1998–2001 at the Voke Branch of the Lithuanian Institute of Agriculture on a sandy loam Haplic Luvisol (LVh). Pea’s precrop was winter rye. Crop residues we...

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...