共 57 条
[2]
ALBAN LA, 1959, 65 OR AGR EXP STA MI
[3]
ALLEN JW, 1951, 14 NEW WOOD SER CIRC
[4]
ALLISON F. E., 1955, Advanc. Agron., V7, P213, DOI 10.1016/S0065-2113(08)60339-9
[5]
ALLOS H. F., 1959, SOIL SCI, V87, P61, DOI 10.1097/00010694-195902000-00001
[7]
Bond G., 1963, Symbiotic Associations., P72
[8]
BRAY RJ, 1964, ADVANCES ECOLOGICAL, P100
[9]
CRAGG JB, 1964, ADVANCES ECOLOGIC ED, P100
[10]
CRAGG JB, 1962, ADVANCES ECOLOGIC ED, V1, P103