共 10 条
[1]
BARNES D. K., 1963, CROP SCI, V3, P295, DOI 10.2135/cropsci1963.0011183X000300040005x
[3]
BOLTON JL, 1962, ALFALFA
[4]
DEBEER JF, 1963, INFLUENCES TEMPERATU
[5]
HANSON C. H., 1961, CROP SCI, V1, P114, DOI 10.2135/cropsci1961.0011183X000100020009x
[6]
LEHMAN W. F., 1964, CROP SCI, V4, P213, DOI 10.2135/cropsci1964.0011183X000400020028x
[8]
PURI Y. P., 1965, CROP SCI, V5, P465
[10]
VISSER T., 1955, MEDEDEL LANDBOUWHOGESCH WAGENINGEN, V55, P1