1V. J. G. Houba,I. Novozamsky,A. W. M. Huybregts,J. J. Lee. Comparison of soil extractions by 0.01M CaCl2, by EUF and by some conventional extraction procedures[J] 1986,Plant and Soil(3):433~437
2M. Rex,K. Németh,T. Harrach. The EUF-N contents of arable soils as an indicator of their yield potential[J] 1985,Plant and Soil(1):117~125
3P. Kutscha-Lissberg,F. Prillinger. Rapid determination of EUF-extractable nitrogen and boron[J] 1982,Plant and Soil(1):63~66
4K. Németh,I. Q. Makhdum,K. Koch,H. Beringer. Determination of categories of soil nitrogen by electro-ultrafiltration (EUF)[J] 1979,Plant and Soil(4):445~453