id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71392	Kaila, Armi	Phosphorus in various depths of some virgin peat lands	1956	15	.pdf	application/pdf	6774	255	68	Also the fact that the carbon com- pounds in peat and in residues of peat land plants are not easily available tends to decrease the limit value. The total phosphorus was deter- mined from a Kjeldahl-digest; organic phosphorus was estimated by the acid- alkali extraction method and by an ignition procedure and reported as an average of the results of these two methods (4).	cache/afs-71392.pdf	txt/afs-71392.txt