TY - BOOK AU - Buurman, P. AU - Lagen, B. van, ed. AU - Velthorst , E.J., ed. TI - Manual for soil and water analysis SN - 9073348587 U1 - R 631.4078 21st ed. PY - 1996/// CY - Netherlands PB - Backhuys Publishers, Leiden KW - Soils-Analysis-Laboratory manuals KW - Water-Analysis-Laboratory manuals ER -