共 22 条
[1]
ALDRICH D. T. A., 1967, J NAT INST AGR BOT, V11, P104
[3]
DAVIES W. E., 1956, Journal of the British Grassland Society, V11, P127
[4]
FRAME J, 1976, J BRIT GRASSLAND SOC, V31, P117
[5]
POTENTIAL OF TETRAPLOID RED-CLOVER AND ITS ROLE IN UNITED-KINGDOM
[J].
JOURNAL OF THE BRITISH GRASSLAND SOCIETY,
1976, 31 (04)
:139-152
[6]
FRAME J, 1972, J BRIT GRASSLAND SOC, V27, P241
[7]
FRAME J, 1983, MIMEOGRAPHED PUBLICA, V751
[8]
FRAME J, 1976, W SCOTLAND AGR COLLE, V50
[9]
FRAME J, 1970, 11TH P INT GRASSL C, P210
[10]
HARKESS RD, 1969, J BRIT GRASSLAND SOC, V24, P282