id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71634	Marttila, Ulla	Exchangeable cations in Finnish soils	1965	14	.pdf	application/pdf	6590	258	70	The means with their confidence limits at 95 per cent level were the following: Cultivated soils Virgin soils All mineral soils surface layer me/100 g me/100 Thus the material consists of 45 samples of clay soils, 26 samples of loam and silt soils, and 11 samples of sand and fine sand soils.	cache/afs-71634.pdf	txt/afs-71634.txt