共 11 条
[1]
BAVER LD, 1956, SOIL PHYSICS
[2]
BAVER LD, 1938, P SOIL SCI SOC AM, V3, P330
[3]
DHOORE JL, 1964, 93 COMM TECHN COOP A
[4]
ELLISON W. D., 1952, EMPIRE JOUR EXPTL AGRIC, V20, P81
[5]
ELWELL H A, 1974, Proceedings Grassland Society of Southern Africa, V9, P157
[6]
HUDSON N. W., 1957, Rhodesia Agricultural Journal, V54, P297
[7]
SCREENIVAS SL, 1947, P SOIL SCI SOC AM, V12, P471
[8]
SMITH DWIGHT D., 1962, ADVANCES AGRON, V14, P109, DOI 10.1016/S0065-2113(08)60437-X
[9]
STOCKING MA, 1972, THESIS U LONDON
[10]
Thompson J., 1965, SOILS RHODESIA THEIR