共 15 条
- [2] Darisse J. P. F., 1980, Naturaliste Canadien, V107, P55
- [3] DEINUM B, 1971, Netherlands Journal of Agricultural Science, V19, P106
- [4] Goering HK., 1970, US DEP AGR HDB, V379
- [8] PRITCHARD G. I., 1963, CANADIAN JOUR PLANT SCI, V43, P79
- [9] ROCHAT E, 1975, Naturaliste Canadien (Quebec), V102, P825
- [10] Schneider B. H., 1975, EVALUATION FEEDS DIG