id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72214	Niskanen, Raina; Jaakkola, Antti	Estimation of cation-exchange capacity in routine soil testing 	1986	7	.pdf	application/pdf	3677	222	65	All soils (n = 430) Clay soils (n = 230) x s range x s range Coarser soils (n = 200) Ca Mg 83 10 0—94 10 7 0—54 7 9 0.4—100 80 10 26—94 11 7 3—37 9 10 0.4—63 x s range Acidity 85 9 0—95 10 6 0—54 5 8 0.6—100 5.20.6 4.0—6.8 5.50.5 4.5—6.8 5.70.5 4.2—7.1 6.00.5 4.8—7.1 5.92.2 2.5—14.4 4.42.0 1,8—14.6 41 6 30—65 19 6 6—30 of exchangeable acidity averaged 7.5 % in clay soils (range 0.3—55 %) and 3.9 % in coarser soils (range 0.5—52 %). Results The effective CECI averaged 150 mval/kg soil in clay soils (range 74—250 mval/kg soil) and 108 mval/kg soil in coarser soils (range 43—288 mval/kg soil) (Table 1).	cache/afs-72214.pdf	txt/afs-72214.txt