id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72945	Kaila, Armi	Calcium, magnesium and potassium in mineral soils from the southern half of Finland	1973	8	.pdf	application/pdf	3691	155	72	In tire 95 samples of clay soils the average Ca content is %, in the 115 non-clay samples it tends to be somewhat higher, 1.13±0.05 %. The mean content of total Mg in clay soils, %, is distinctly higher than that in the non-clay soils, %.	cache/afs-72945.pdf	txt/afs-72945.txt