共 16 条
[2]
BIGGAR J. W., 1960, SOIL SCI SOC AMER PROC, V24, P115
[3]
BIGGAR JW, 1966, T ASAE, V9, P784
[4]
DONEEN LD, 1968, 1 U CAL COLL AGR ENV
[5]
DONEEN LD, 1968, 2 U CAL COLL AGR ENV
[6]
EATON FM, 1939, 696 US DEP AGR TECH
[7]
EATON FM, 1935, 448 US DEP AGR TECH
[8]
HATCHER JOHN T., 1958, SOIL SCI, V85, P319, DOI 10.1097/00010694-195806000-00005
[9]
HATCHER JOHN T., 1962, SOIL SCI, V94, P55, DOI 10.1097/00010694-196207000-00009