共 29 条
[1]
Bremner J.M., 1965, METHODS SOIL ANAL 2, P595
[3]
BUTLER G. W., 1959, NEW ZEALAND JOUR AGRIC RES, V2, P415
[4]
Christian K. R., 1977, Advances in Agronomy, V29, P183
[5]
CRALLE HT, 1982, CROP SCI, V22, P300, DOI 10.2135/cropsci1982.0011183X002200020024x
[9]
FIELDER R, 1975, ANAL CHIM ACTA, V78, P1
[10]
GIBSON AH, 1971, PLANT SOIL, P139, DOI 10.1007/BF02661847