id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72470	Hartikainen, Helinä	Soil response to acid input in a titration experiment	1992	9	.pdf	application/pdf	4875	320	65	The role of organic matter in regulating the acid- derived changes in soil cations was dependent on the soil pH. In both soils, the acid loading resulted in replacement of the complexed Ca by Al3+ or H + . Aluminum organic matter in acid soils:	cache/afs-72470.pdf	txt/afs-72470.txt