id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72906	Heinonen-Tanski, Helvi	Conventional and organic cropping systems at Suitia III: Microbial activity in soils	1990	10	.pdf	application/pdf	4546	279	57	In many cases, soil microbial activity was still increased two to three years after the leys. This shows very well the importance of plants, especially plants with large, long-growing roots, on soil microbial activity.	cache/afs-72906.pdf	txt/afs-72906.txt