共 17 条
[1]
ATKINS R. E., 1964, CROP SCI, V4, P494, DOI 10.2135/cropsci1964.0011183X000400050018x
[4]
BRIM CA, 1966, CROP SCI, V6, P220, DOI [10.2135/cropsci1966.0011183X000600020041x, 10.2135/cropsci1966.0011183X000600010039x]
[5]
FEHR W R, 1975, Journal of Agriculture of the University of Puerto Rico, V59, P222
[7]
GOULDEN CH, 1939, 7TH P INT GEN C ED, P132
[8]
HANSON W. D., 1962, CROP SCI, V2, P93, DOI 10.2135/cropsci1962.0011183X000200020002x
[9]
KALTON RR, 1948, 358 IOW AGR EXP STN, P671