共 27 条
[1]
[Anonymous], J AM SOC AGRON
[2]
BERMNER PM, 1963, J AGRIC SCI, V61, P139
[3]
BEVERIDGE J. L., 1959, AGRON JOUR, V51, P731
[4]
BLACK J. N., 1957, AUSTRALIAN JOUR AGRIC RES, V8, P335, DOI 10.1071/AR9570335
[5]
BLACK J. N., 1956, AUSTRALIAN JOUR AGRIC RES, V7, P98, DOI 10.1071/AR9560098
[6]
BLACK J. N., 1958, AUSTRALIAN JOUR AGRIC RES, V9, P299, DOI 10.1071/AR9580299
[7]
BLACK J. N., 1957, AUSTRALIAN JOUR AGRIC RES, V8, P1, DOI 10.1071/AR9570001
[8]
CARLSSON GA, 1959, MEDD GULLAK VAXTFORA, V15, P144
[9]
ERICKSON LC, 1946, J AM SOC AGRON, V38, P964
[10]
FRUWIRTH C, 1917, FULHL LANDW Z, V66, P396