共 24 条
[1]
AMER F., 1955, PLANT AND SOIL, V6, P391, DOI 10.1007/BF01343648
[2]
USE OF POLYACRYLAMIDE TO REPLACE CARBON IN DETERMINATION OF OLSENS EXTRACTABLE PHOSPHATE IN SOIL
[J].
JOURNAL OF SOIL SCIENCE,
1976, 27 (01)
:71-74
[4]
COOKE I. J., 1963, Soil Science, V96, P308, DOI 10.1097/00010694-196311000-00004
[5]
FLOATE MJS, 1976, J SCI FOOD AGR, V27, P591
[6]
Jackson M.L., 1958, SOIL CHEM ANAL
[9]
MORGAN MF, 1937, U CONN AGR EXPT STA, V392
[10]
MUNRO JMM, 1973, J BRIT GRASSLAND SOC, V28, P247