共 9 条
[3]
CLAPP JOHN G., 1965, CROP SCI, V5, P468
[4]
DECKER AM, 1964, AGRON ABSTRACTS, P93
[5]
FISHER F. L., 1959, AGRON JOUR, V51, P99
[6]
HOLT EC, 1961, MP548 TEX AGR EXP ST
[7]
PRINE GORDON M., 1956, AGRON JOUR, V48, P296
[8]
Weinmann H., 1961, Herbage Abstracts, V31, P255