共 20 条
[2]
Bremner J. M., 1996, METHODS SOIL ANAL PA, P1085, DOI DOI 10.2134/AGRONMONOGR9.2.2ED.C31
[7]
FIELDER R, 1975, ANAL CHIM ACTA, V78, P1
[9]
LEGARD SF, 1985, SOIL BIOL BIOCHEM, V17, P575
[10]
LEGARD SF, 1985, AUST J AGR RES, V36, P247