共 65 条
[1]
Ashby JA, 1989, FARMER 1 FARMER INNO, P115
[2]
BAL SS, 1987, SEED SCI TECHNOL, V15, P625
[3]
BENZING A, 1989, ILEIA NEWSLETTER, V5, P12
[4]
BERG T, 1991, NORAGRIC OCCASIONA C, V8
[6]
Camargo C.P., 1989, SEED PRODUCTION SYST
[8]
Collins G.N., 1914, J HERED, V5, P255
[9]
CRISSMAN CC, 1989, SEED SYSTEMS ECUADOR
[10]
CRISSMAN LM, 1989, EVALUATION CHOICE US