共 24 条
[3]
BAIKO VD, 1950, SOILS FERT, V13, P182
[4]
ELLIOT RH, 1898, AGR CHANGES
[5]
HENIN S., 1949, COMPT REND ACAD AGRIC FRANCE, V35, P597
[6]
HENIN S, 1939, ANN AGRON PARIS, V9, P300
[7]
HENIN S, 1938, ETUDE PHYSICOCHIMIQU, P9
[8]
JACKS G. V., 1949, Research, V2, P348
[9]
JACKS GV, 1944, JT PUBL IMP AGR BUR, V6, P42
[10]
KOLODNY L, 1941, P SOIL SCI SOC AM, V6, P91