id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71821	Kaila, Armi	Basic exchangeable cations in Finnish mineral soils	1972	7	.pdf	application/pdf	3341	142	69	The degree of saturation by basic cations is of particular importance, but also the proportions of various basic cations and their amounts in soil exert marked effect on plant nutrition and, especially, on properties of clay soils. Clay soils, especially their deeper layers appeared to be fairly rich in Mg.	cache/afs-71821.pdf	txt/afs-71821.txt