id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5891	SALO, T.; LEMOLA, R.; ESALA, M.	National and regional net nitrogen balances in Finland in 1990 2005	2007	10	.pdf	application/pdf	6652	373	64	In addition to national N balances, calculation of N balances for different agricultural regions is also recommended. The information represented by N balances is needed to analyse the interactions between agriculture and the environment and to evaluate the impact of changes in agricultural policy on the environment.	cache/afs-5891.pdf	txt/afs-5891.txt