id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72396	Mohammadi, Oili; Yli-Halla, Markku; Mäntylahti, Väinö	Determination of plant-available manganese from soils by acid ammonium acetate-EDTA extraction	1991	8	.pdf	application/pdf	3574	217	68	Index words: exchangeable manganese, reducible manganese, total manganese Introduction The supply of soil Mn to plants is of interest may arise. For the current study, soil Mn was ex- tracted for 60 min by AAAc-EDTA (0.5 M CH 3COOH, 0.5 M CH 3 COONH4, 0.02 M Na2 -EDTA, pH 4.65) at the soil to solution ratio of 1 : 10 (v/v) (Lakanen and Erviö 1971).	cache/afs-72396.pdf	txt/afs-72396.txt