共 18 条
[1]
ALDRICH D. T. A., 1967, J NAT INST AGR BOT, V11, P104
[3]
DEINUM B, 1968, Netherlands Journal of Agricultural Science, V16, P217
[4]
DENT J. W., 1970, Journal of the National Institute of Agricultural Botany, V12, P72
[5]
Dirven J. G., 1977, Forage Research, V3, P1
[6]
GOERING HK, 1970, ARS AGR HDB USDA, V739, P20
[7]
JONES DIH, 1969, 1969 EUCARPIA FODD C, P57
[9]
LAMPETER W, 1970, INT Z LANDWIRTSCH, V6, P664
[10]
MIKA V, 1981, Z TIERPHYSIOL TIERER, V45, P132