Table 1.
Parameter | Chicken manure collection sites |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Loyidi | Sompondo | Sheshegu | Majwareni | Jojozi | Joji | Black plass | Jonini | Tyhali | Fort hare | |
pH | 7.34e | 6.94h | 7.97a | 7.67c | 7.22f | 7.52d | 7.91b | 7.17g | 7.20fg | 6.98h |
EC (dS/m) | 5.78e | 4.32g | 7.04d | 2.45h | 12.30a | 8.15c | 6.76d | 5.25f | 8.85b | 5.17f |
Total C (%) | 41.8a | 22.7d | 33.5bc | 30.4c | 35.7b | 41.1a | 31.9bc | 40.5a | 34.6bc | 40.3a |
Total N (%) | 2.3d | 2.4cd | 2.9b | 1.6e | 2.6c | 3.2a | 2.4cd | 1.6e | 2.5cd | 1.8e |
C/N ratio | 18.0c | 9.5f | 11.7e | 19.4c | 13.7d | 13.0de | 13.2de | 25.8a | 13.9d | 22.6b |
Olsen extractable P (mg/kg) | 552.3e | 532.3cde | 850.5a | 807.9ab | 690.1cd | 745.3bcd | 689.6cd | 746.3abc | 762.3abc | 656.6d |
Total P (mg/kg) | 2595.3a | 2136.7ab | 2377.3ab | 2294.6ab | 2361.5ab | 2145.7ab | 2169.8ab | 2644.1a | 1963.1b | 2632.2a |
Olsen P as % of total P | 21.2d | 25.5cd | 38.3a | 35.3ab | 30.5abc | 36.5ab | 31.01abc | 27.7bcd | 37.7a | 23.4cd |
Means within the same row of each site manure followed by the same letters are not significantly different at p ≤ 0.05 according to Duncan’s multiple range test.