共 24 条
[1]
Bremner J.M., 1965, METHODS SOIL ANAL PA, P1149
[4]
Keeney D. R., 1982, AGRON MONOGR, V9, P643, DOI DOI 10.2134/AGR0NM0N0GR9.2.2ED.C33
[5]
LEGG JO, 1975, 2ND P INT C STABL IS, P661