共 21 条
[1]
ANSLOW RC, 1964, 9 INT GRASSL C
[3]
BIGNOLI D. P., 1950, Journal of the British Grassland Society, V5, P281
[5]
DAVIDSON J. L., 1965, J BRIT GRASSLAND SOC, V20, P15, DOI 10.1111/j.1365-2494.1965.tb00390.x
[6]
Donald C. M., 1958, Herbage Abstracts, V28, P1
[8]
GRABER LF, 1927, 80 B WIS AGR EXP STN, P3
[10]
KISBAN CLARA, 1964, ACTA BOT ACAD SCI HUNG, V10, P275