共 3 条
[1]
BARRIGA CELIO, 1961, AGRON JOUR, V53, P250
[2]
Harter LL, 1930, J AGRIC RES, V40, P0371
[3]
KANNENBERG L. W., 1964, CROP SCI, V4, P621, DOI 10.2135/cropsci1964.0011183X000400060021x