共 42 条
[12]
Dalal R. C., 1977, Advances in Agronomy, V29, P83
[13]
Fares F., 1974, PHOSPHORE AGR, V63, P25
[14]
GRAYBILL FA, 1976, THEORY APPLICATION L
[16]
KEENEY D. R., 1964, SOIL SCI SOC AMER PROC, V28, P653
[18]
McKeague J.A., 1978, MANUAL SOIL SAMPLING, P66
[20]
Murphy J., 1962, ANAL CHIM ACTA, V27, P31, DOI DOI 10.1016/S0003-2670(00)88444-5