id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5689	SALONEN, J.; HYVÖNEN, T.; JALLI, H.	Weed flora in organically grown spring cereals in Finland	2001	12	.pdf	application/pdf	6654	371	70	A common observation is that organic farming preserves biodiversity since the number of weed species, weed density and the biomass production of weeds are higher than in conven- tionally cropped fields, which are typically treat- ed with herbicides. Frequencies (%) of weed species by region.	cache/afs-5689.pdf	txt/afs-5689.txt