Organic Matter and Barium Absorption by Plant Species Grown in an Area Polluted with Scrap Metal Residue
Table 4
Dry matter yield for different plant parts of the species tested according to the rate of organic material treatment*.
Rate
Oilseed radish
Sunflower
Castor oil plant
Root
Straw (S)
Pod (P)
Roos
Straw (S)
Flower (F)
Roots
Shoots
Mg ha−1
mg kg−1
Sugar cane filter cake
0
0.8 a
10.8 a
5.0 a
15.7 a
2.2 a
12.7 b
4.9 a
17.6 b
4.7 a
18.5 b
20
0.7 a
11.7 a
6.3 a
17.9 a
2.7 a
15.9 ba
3.4 b
19.3 ba
5.8 a
19.5 ba
40
0.8 a
12.2 a
5.6 a
17.7 a
3.2 a
18.3 a
3.9 ba
22.2 a
5.6 a
21.3 c
80
0.7 a
12.5 a
5.7 a
18.2 a
2.4 a
15.0 ba
5.2 a
20.2 ba
5.6 a
20.7 bc
Average
0.8 B
11.8 A
5.6 A
17.4 A
2.6 A
15.5 A
4.4 A
19.8 A
5.4 A
20.0 A
Peat
0
0.9 a
12.1 a
4.8 a
16.9 a
1.6 a
12.7 a
3.2 a
15.8 a
4.4 a
18.5 b
20
1.0 a
11.5 a
6.0 a
17.5 a
2.4 a
14.4 a
3.1 a
17.5 a
4.8 a
19.7 ba
40
0.9 a
12.6 a
5.0 a
17.6 a
2.0 a
13.3 a
3.3 a
16.7 a
5.1 a
18.9 b
80
1.0 a
12.0 a
5.9 a
17.9 a
2.5 a
15.5 a
3.0 a
18.5 a
5.4 a
20.8 a
Average
0.9 A
12.0 A
5.5 A
17.5 A
2.1 B
14.0 B
3.2 B
17.1 B
4.9 B
19.5 B
*Results presented are the average of 3 replicates. Means followed by the same letter, are not significantly different by the Tukey’s test at . Upper case letters, in columns, compare plant tissues and lower case letters, in columns, compare rate of amendments.