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(0.098 秒)
Changes in pore size distribution and aggregate stability of two soils under long term tillage systems
tillage systems bulk density pore size distribution aggregate stability
2008/11/26
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...
Effect of different tillage systems and straw management on some physical properties of soil and on the yield of winter rye in monoculture
conventional tillage reduced tillage straw management soil winter rye
2008/11/24
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...
Maize response to different straw management and tillage systems under cereal crop rotation
straw management tillage systems maize yield cereal rotation
2008/11/14
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...
Soil physical properties under winter wheat grown with different tillage systems at selected locations
soil water content soil bulk density soil stability in water readily-dispersible clay (RDC)
2008/11/11
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...