Table 8 |
|||
| Soil water-soluble K (meq L−1) as influenced by organic waste application (average ± standard deviation) | |||
| Treatments | First crop (wheat) | Second crop (guar) | Third crop (wheat) |
| 0 to 20 cm | |||
| C | 5.07e ± 0.10 | 2.42 d ± 0.12 | 2.60e ± 0.08 |
| CR | 5.20d ± 0.08 | 2.70c ± 0.08 | 3.00d ± 0.08 |
| H | 6.32b ± 0.08 | 2.92b ± 0.10 | 3.45c ± 0.06 |
| SS | 7.42a ± 0.13 | 3.60a ± 0.08 | 3.90a ± 0.08 |
| RF | 5.85c ± 0.06 | 2.45d ± 0.13 | 2.55e ± 0.06 |
| RF + CR | 5.92c ± 0.10 | 3.07b ± 0.13 | 3.65b ± 0.06 |
| LSD | 0.0979 | 0.1513 | 0.1112 |
| P≤ | 0.0001 | 0.0001 | 0.0001 |
| Treatments | First crop (wheat) | Second crop (guar) | Third crop (wheat) |
| 20 to 40 cm | |||
| C | 5.32e ± 0.05 | 2.18f ± 0.10 | 2.30e ± 0.08 |
| CR | 5.42de ± 0.05 | 2.57d ± 0.10 | 2.72d ± 0.10 |
| H | 6.20b ± 0.08 | 2.80c ± 0.08 | 2.97c ± 0.10 |
| SS | 7.02a ± 0.10 | 3.45a ± 0.06 | 3.50a ± 0.08 |
| RF | 5.57c ± 0.10 | 2.35e ± 0.06 | 2.17e ± 0.10 |
| RF + CR | 5.47 cd ± 0.15 | 3.00b ± 0.08 | 3.30b ± 0.08 |
| LSD | 0.1248 | 0.121 | 0.1392 |
| P≤ | 0.0001 | 0.0001 | 0.0001 |
Means in columns, within each depth, followed by different letters are significantly different at P ≤ 0.05 using LSD.
Rezig et al. International Journal Of Recycling of Organic Waste in Agriculture 2012 1:1 doi:10.1186/2251-7715-1-1
