id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71595	Kaila, Armi	Fertilizer phosphorus in various fractions of soil phosphorus	1963	11	.pdf	application/pdf	5229	228	57	Then there is the question of the changes in the forms of soil phosphorus during the extraction procedure which may be quite essential when freshly applied phosphorus compounds are included. Fractionation of soil phosphorus.	cache/afs-71595.pdf	txt/afs-71595.txt