id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71404	Kaila, Armi; Kivekäs, Jaakko	Distribution of extractable calcium, magnesium, potassium, and sodium in various depths of some virgin peat soils	1956	11	.pdf	application/pdf	4406	181	70	Our information even of the combined effect of all these factors on the nutrient content of various peat layers is rather poor. The authors were interested in the contents of plant available calcium, mag- nesium and potassium in various depths of peat lands.	cache/afs-71404.pdf	txt/afs-71404.txt