共 17 条
[7]
Soil bulk density, penetration resistance, and hydraulic conductivity under controlled traffic conditions[J] . Paul W. Unger.  Soil & Tillage Research . 1996 (1)
[8]
Soybean responses to potassium placement and tillage alternatives following no-till. Yin X H,Vyn T J. Agronomy Journal . 2002
[9]
Tillage systems and soil properties in North America. Logan T J,Lal R,Dick W A. Soil and Tillage Research . 1991
[10]
Effect of no-tilage onsome soil physical properties of a structural degraded PetrocalcicPaleudoll of the southern"Pampa"of Argentina. FERRERAS L A,GARCIAF O,PECORARI C. Soil&TillageResearch . 2000