id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72355	Niskanen, Raina	Extractable aluminium, iron and manganese in mineral soils: I Dependence of extractability on the pH of oxalate, pyrophosphate and EDTA extractants	1989	6	.pdf	application/pdf	2349	145	65	The extractability of manganese in fine sand soil by EDTA decreased as the pH increased, whereas no manganese was ex- tracted from sand soil (Fig. 3). The extraction methods for soil aluminium, iron and manganese are given in Table 2.	cache/afs-72355.pdf	txt/afs-72355.txt