共 8 条
[2]
Buresh R. J., 1982, Fertilizer Research, V3, P37, DOI 10.1007/BF01063408
[3]
BURNS EA, 1970, ANAL CHEM NITROGEN 1, P89
[5]
HAUCK R. D., 1958, SOIL SCI, V86, P287, DOI 10.1097/00010694-195811000-00011