id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72220	Niskanen, Raina	Number of extractionsin determination of effective cation-exchange capacity 	1986	5	.pdf	application/pdf	2246	134	69	The proportion of acid cations was lowest in soil No. 2 the pH of which was 5.3. The degree of saturation by exchangeable Ca and Mg in soils No. 2 and 4 was of the same order as in the material of Kaila (1972): 60—80 % and 10—30 % for Ca and Mg, respectively (Table 3).	cache/afs-72220.pdf	txt/afs-72220.txt