Table 5.
Release of Fe and Zn (g/kg) from nutrients in the soil at different duration of incubation in comparison with initial concentration.
| Treatment | 10 days | 30 days | 60 days | 90 days |
|---|---|---|---|---|
| Nutrient- Zn | ||||
| BFZ(4:6)- 8 | 0.6 | 172.6 | 181.9 | 107.9 |
| BFZ(5:5)- 2 | 1.1 | 146.4 | 161.9 | 124.2 |
| BFZ(5:5)- 6 | 3.2 | 107.4 | 143.2 | 94.1 |
| BFZ(8:2)- 4 | 57.5 | 63.7 | 89.6 | 33.7 |
| BFCZ(1:1:1)- 6 | 365.1 | 330.4 | 247.9 | 21.4 |
| BZC(1:3)- 6 | 0.4 | 246.9 | 271.3 | 310.5 |
| Nano Zn | 658.2 | 615.6 | 520.0 | 380.9 |
| Zn-EDTA | 167.1 | 98.8 | 65.7 | 54.4 |
| Nutrient-Fe | ||||
| BFZ(4:6)- 8 | 140.8 | 220.6 | 1276.1 | 324.6 |
| BFZ(5:5)- 2 | 103.8 | 128.8 | 1301.3 | 312.9 |
| BFZ(5:5)- 6 | 128.5 | 221.2 | 1074.8 | 301.7 |
| BFZ(8:2)- 4 | 183.8 | 210.3 | 1057.7 | 146.0 |
| BFCZ(1:1:1)- 6 | 187.2 | 222.9 | 1214.6 | 253.1 |
| BFC(1:1)- 6 | 192.3 | 209.0 | 1165.1 | 280.0 |
| Nano Fe | 151.8 | 273.9 | 925.4 | 274.5 |
| Fe-EDTA | 119.9 | 71.7 | 571.0 | 37.1 |
The initial concentration of Fe and Zn added in this experiment was given in Table 2.