共 21 条
[2]
ASHLEY D. A., 1965, AGRON J, V57, P61
[4]
BROWN HB, 1937, LOUISIANA AGR EXP ST, V283
[5]
EHLIG CF, 1973, CROP SCI, V13, P168, DOI 10.2135/cropsci1973.0011183X001300020006x
[7]
GILMORE E. C., 1958, AGRON JOUR, V50, P611
[9]
Guinn G., 1982, USDA TECH B, V1672