Organic Matter and Barium Absorption by Plant Species Grown in an Area Polluted with Scrap Metal Residue

Table 2

Ba extracted from soil with the Mehlich-3 method*.

Rate	Sugar cane filter cake	Peat
Mg ha^−1	mg dm^−3
0	31.5 a	34.9 a
20	32.9 a	34.1 a
40	32.9 a	36.7 ab
80	34.6 b	39.3 b
Average	32.9 A	36.2 A

^∗Results presented are the average of 3 replicates. Means followed by the same letter are not significantly different by the Tukey’s test at 𝑃≤0.05. Upper case letters, in columns, compare treatments and lower case letters, in lines, compare rate of amendments.