Research Article
Biosolids Application on Banana Production: Soil Chemical Properties and Plant Nutrition
Table 5
Micronutrient and heavy metal concentrations in the index-leaf of banana plants from plots treated with biosolids (SS) and mineral N fertilizer (N).
| | Treatment | B | Cu | Fe | Mn | Zn | Cd | Cr | Ni | Pb |
| | mg/kg |
| | Control | 16.6 | 13.0 | 202 | 343 | 23.9 | <0.1 | <0.1 | 3.1 | 10.2 | | SS 1 | 16.0n(1) | 13.2n | 132n | 559n | 23.6n | <0.1 | <0.1 | 4.3n | 7.5n | | SS 2 | 15.5n | 13.3n | 150n | 436n | 23.9n | <0.1 | <0.1 | 4.2n | 8.9n | | SS 3 | 16.3n | 12.3n | 137n | 441n | 23.4n | <0.1 | <0.1 | 5.4n | 6.4n | | N 1 | 15.4n | 13.3n | 129n | 339n | 23.8n | 0.9 | <0.1 | 5.2n | 11.5n | | N 2 | 15.3n | 13.1n | 197n | 439n | 24.0n | <0.1 | <0.1 | 5.2n | 5.3n | | CV (%)(2) | 14.2 | 17.1 | 42.6 | 30.3 | 7.2 | — | — | 33.1 | 55.3 |
|
|
(1)Means followed by “n” do not differ from control (without SS) by Dunnett’s test (); (2)Coefficient of variation.
|
