Treatment | Description of treatment in all the four different soils |
Control | Soil alone (3 kg soil, 0.45 g urea, 0.45 g Muriate of potash) |
Soil + GRP | 3 kg soil mixed with GRP, 0.45 g urea, 0.45 g Muriate of potash |
Soil + PARP | 3 kg soil mixed with PARP, 0.45 g urea, 0.45 g Muriate of potash |
Soil + SSP | 3 kg soil, 0.9 g SSP, 0.45 g urea, 0.45 g Muriate of potash |