共 18 条
[1]
BARBER SA, 1962, 4 5 INT SOC SOIL SCI, P121
[2]
BARLEY K. P., 1961, AUSTRALIAN JOUR SCI, V23, P297
[3]
BLACK CA, 1965, 9 AM SOC AGR MON, P1044
[4]
CHESTNUTT DMB, 1970, 6TH OCC S BR GRASSL, P191
[5]
CLARKSON DT, 1970, 1970 LETC LAB ANN RE, P16
[6]
EVANS P S, 1970, New Zealand Journal of Botany, V8, P344
[8]
LAMBERT JP, 1967, NZ GRASSLAND ASSOCIA, V29, P78