共 16 条
[1]
ANTIPOVK.IN, 1965, SOV SOIL SCI-USSR, P1127
[5]
BOLSHAKOV AF, 1966, SOV SOIL SCI-USSR, P626
[7]
BURNATZKI DP, 1961, SOV SOIL SCI, P305
[8]
Chilcott EC, 1918, J AGRIC RES, V14, P0481
[9]
LUTZ JF, 1952, SOIL PHYSICAL CONDIT, P43
[10]
MARSHALL TJ, 1959, 50 COMM BUR SOILS TE