id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-6023	Salonen, Jukka; Hyvönen, Terho; Jalli, Heikki	Composition of weed flora in spring cereals in Finland - a fourth survey	2011	17	.pdf	application/pdf	11842	479	68	The diversity of weed species was described by species richness. Frequencies (%) of weed species by regions Year / Region Species / Taxon 2007 2008 2009 Average 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 2007–09 Achillea millefolium L 0 8 0 0 9 20 9 0 2 2 2 8 17 4 8 0 5 Alopecurus geniculatus L. 5 0 0 0 3 5 6 12 2 0 8 7 4 4 8 10 4 Artemisia vulgaris L. 0 10 0 3 0 20 0 0 0 21 0 14 17 4 8 0 6 Brassica rapa L. ssp.	cache/afs-6023.pdf	txt/afs-6023.txt