id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71890	Brummer, Veikko; Aura, Erkki	Effect of residual nitrogen and fertilizer nitrogen on sugar beet production in Finland 	1974	13	.pdf	application/pdf	4464	250	62	The effects of fertilizer and accumulated soil nitrogen on the sugar beet quality together with som other experimental data have been statistically analysed. Soil nitrate nitrogen levels as an index of nitrogen fertilizer needs of sugarbeets.	cache/afs-71890.pdf	txt/afs-71890.txt