id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-6830	Kirkkala, Teija; Ventelä, Anne-Mari; Tarvainen, Marjo	Fosfilt filters in an agricultural catchment: a long-term field-scale	2012	10	.pdf	application/pdf	6304	301	66	The middle layer of the filter consisted of separate layers of sand and Fosfilt-s. The lowest layer of the filter was made of gravel and included perforated collection pipes, with the goal of percolating water downwards through different types of filter layers. Outflow rate (Q) and concentrations of suspended solids (SS) and nutrients in inflow and outflow of filter F1. 0 20 40 60 80 100 120 28 .1 0. 19 95 11 .3 .1 99 7 24 .7 .1 99 8 6. 12 .1 99 9 19 .4 .2 00 1 1. 9. 20 02 14	cache/afs-6830.pdf	txt/afs-6830.txt