共 16 条
[3]
STRUCTURE OF A SILTY SOIL IN RELATION TO MANAGEMENT
[J].
JOURNAL OF SOIL SCIENCE,
1986, 37 (01)
:137-151
[5]
GALLOWAY HM, 1977, AY210 PURD U COOP EX
[6]
Griffith D. R., 1986, No tillage and surface-tillage agriculture. The tillage revolution, P19
[8]
HEARD JR, 1987, SOIL TILLAGE RES, V11, P1