共 20 条
[1]
BARLOW JP, 1973, 16TH P C GREAT LAK R, P7
[2]
Bremner J. M., 1996, METHODS SOIL ANAL 3, P1085
[3]
CLARK J. S., 1955, SOIL SCI SOC AMER PROC, V19, P171
[8]
THE INFLUENCE OF NEUTRAL SALTS ON THE SOLUBILITY OF SOIL PHOSPHATE - WITH SPECIAL REFERENCE TO THE EFFECT OF THE NITRATES OF SODIUM AND CALCIUM
[J].
JOURNAL OF SOIL SCIENCE,
1952, 3 (01)
:125-135
[9]
MURPHY J, 1962, ANAL CHIM ACTA, V26, P31