id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71533	Puustjärvi, Viljo	The luxuriance of a bog in its natural state as an index to the quality of its peat	1960	10	.pdf	application/pdf	4952	245	62	The site requirements of bog plants, particularly their relation to the reaction of the substrate (5) and to its nutrient content (4) have been investigated. Samples were taken every time when a change of bog type or soil quality class was encoun- tered.	cache/afs-71533.pdf	txt/afs-71533.txt