@book{6538adb0e734493498aefcebbff5cfa9,
title = "Bepaling van het uitwisselbare magnesium, kalium en natrium in den grond volgens nieuw toegepaste analyse - methoden",
keywords = "uitwisselbare kationen, kwantitatieve technieken, grondanalyse, bodemchemie, bodemoplossing, exchangeable cations, quantitative techniques, soil analysis, soil chemistry, soil solution",
author = "{van der Spek}, J. and M. Dekker",
year = "1938",
language = "Nederlands",
series = "Verslagen van landbouwkundige onderzoekingen",
number = "no. 44,13",
}