共 16 条
[1]
ALAM LR, 1985, P SO WEED SCI SOC, V38, P448
[5]
Chepil W. S., 1946, SCI AGRIC [OTTAWA], V26, P307
[6]
JOHNSON E, 1932, U CALIF COLL AGR EXP, V528
[10]
PATHAK PS, 1971, TROP ECOL, V123, P228