id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71363	Kaila, Armi	Some observations on the occurrence of azotobacter in Finnish soils	1954	10	.pdf	application/pdf	4473	254	63	A number of soil samples representing different soil types were collected from various parts of the country and tested for the presence of Azotobacter species. Occurrence of Azotobacter in soil samples The agar plate method was chosen to show the presence or the absence of Azotohacter in the soil samples, because it was thought to offer some advantage as compared with the solution methods.	cache/afs-71363.pdf	txt/afs-71363.txt