id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-130009	Salonen, Jukka; Jalli, Heikki; Muotila, Anne; Niemi, Mari; Ojanen, Hannu; Ruuttunen, Pentti; Hyvönen, Terho; Salonen, Jukka	Fifth survey on weed flora in spring cereals in Finland 	2023	18	.pdf	application/pdf	9296	407	64	The frequency of occurrence over studied fields (hereafter ‘frequency’) refers to the proportion of fields where a species was found indicating distribution of weed species. Frequency of weed species The occurrence of the 40 most frequent weed species in the small 0.1 m2 sample quadrats is presented by region (Tables 3 and 5) and the remaining species observed from the larger 1.0 m2 quadrats are listed by region (Appendix).	cache/afs-130009.pdf	txt/afs-130009.txt