共 18 条
[1]
BLOC D, 1973, MAIS SOUS TOUTES SES, P109
[2]
BROWN BA, 1962, CONNECTICUT AGR EXP, V372
[3]
BROWN DM, 1975, 11131 ONT MIN AGR FO
[4]
CHANDLER WV, 1960, NC AGR EXP STA TECH, V143
[5]
CLARK NA, 1973, MARYLAND AGR EXP STA, V490
[8]
FLYNN LM, 1957, MISSOURI AGR EXP STA, V620
[9]
GUNN RALPH B., 1965, CROP SCI, V5, P299