共 23 条
[1]
BLACK CA, 1957, LABORATORY METHODS S
[2]
BLAKS R, 1955, LANDW FORSCH, V8, P7
[4]
Bremner J.M., 1965, METHODS SOIL ANAL PA, P1179
[6]
BREMNER JM, 1959, FORMS NITROGEN SOIL, P59
[9]
HENRIKSEN A, TO BE PUBLISHED
[10]
HORNE W. R., 1955, JOUR AUSTRALIAN INST AGRIC SCI, V21, P34