共 22 条
[1]
APPADURAI RR, 1961, THESIS U LOND
[2]
BROUGHAM R. W., 1959, NEW ZEALAND JOUR AGRIC RES, V2, P1232
[3]
BURGER A. W., 1958, AGRON JOUR, V50, P629
[5]
JANTTI A, 1956, 7TH P INT GRASSL C, P33
[7]
LOW A. J., 1959, JOUR AGRIC SCI, V52, P256, DOI 10.1017/S0021859600036777
[8]
MITCHELL K. J., 1958, NEW ZEALAND JOUR AGRIC RES, V1, P305