共 11 条
[2]
FLATT WP, 1959, 361 CORN AGR EXP STA
[3]
GRAHAM NM, 1962, AUST J AGR RES, V13, P894
[5]
LAMBOURNE L. J., 1957, Journal of Agricultural Science, V48, P273, DOI 10.1017/S0021859600031634
[6]
MAKELA A, 1956, ACTA AGRAL FENN, V85, P139
[7]
PALOHEIMO L, 1944, MAATALOUST AIKAKAUS, V16, P1
[8]
PURSER D. B., 1959, AUSTRALIAN JOUR AGRIC RES, V10, P555, DOI 10.1071/AR9590555
[9]
RAYMOND W. F., 1953, JOUR BRIT GRASSLAND SOC, V8, P301
[10]
RAYMOND W. F., 1954, JOUR BRIT GRASSLAND SOC, V9, P69