id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71548	Kaila, Armi; Hänninen, Pentti	Fertilizer nitrogen in soil	1961	16	.pdf	application/pdf	6003	197	65	Soil nitrogen. The distribu- tion of ammonium and nitrate nitrogen was followed through two growing periods.	cache/afs-71548.pdf	txt/afs-71548.txt