共 7 条
[1]
BUTLER GW, 1956, 7TH P INT GRASSL C P, P168
[2]
Chestnutt D. M. B., 1970, Rec. agric. Res. (Nth. held), V18, P143
[3]
COWLING D. W., 1964, J BRIT GRASSLAND SOC, V19, P419
[4]
LOWE J, 1964, THESIS QUEENS U
[5]
O'CONNOR K. F., 1961, NEW ZEALAND JOUR AGRIC RES, V4, P686
[6]
PETERSON MAURICE L., 1961, AGRON JOUR, V53, P45
[7]
Walker T. W., 1954, Journal of the British Grassland Society, V9, P249, DOI 10.1111/j.1365-2494.1954.tb01339.x