农学 >>> 农学总论 >>> 农业基础学科 农学其他学科
搜索结果: 1-4 共查到农学总论 tillage systems相关记录4条 . 查询时间(0.094 秒)
Tillage-induced changes in pore-size distribution and aggregate stability of two soils were investigated for 7 con- secutive years from 1994 to 2000. The three tillage treatments were used: convention...
Field experiments were conducted on Orthic Luvisol derived from loamy sand in 1999-2002. The tillage systems applied were: conventional tillage (CT) including preplough (10 cm) + harrowing, mouldboard...
The aim of this study was to determine the effect of various straw management and tillage systems on the emergence, grain yield and cob characteristics of maize (Zea mays L.) under different cereal ro...
The aim of this research was to determine in 2006 and 2007 the effects of different tillage systems on the soil physical properties: bulk density, water content and stability. Analyses of physical pro...

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...