| | Sites | pH | EC (ms/cm) | %C | %N | P (ppm) | K (ppm) | Mg (ppm) | Ca (ppm) | Zn (ppm) | Mn (ppm) | Fe (ppm) | Cu (ppm) |
| | Baringo | 5.48 ± 0.13d | 0.0101 ± 0.056b | 4.56 ± 1.15bc | 0.36 ± 0.11bc | 6.33 ± 1.52c | 997.45 ± 210.48b | 556.23 ± 37.97bc | 2305.07 ± 525.74bcde | 20.36 ± 3.77b | 496.74 ± 229.53abc | 274.69 ± 56.34ab | 0.67 ± 0.33d | | Chyulu | 7.11 ± 0.33ab | 0.545 ± 0.488a | 8.12 ± 2.59a | 1.04 ± 0.44a | 81 ± 31.96b | 631.98 ± 180.78de | 710.54 ± 399.91abc | 6818.24 ± 155.92a | 43.63 ± 7.37a | 39.77 ± 1.348d | 345.38 ± 159.79a | 7.53 ± 3.01bc | | Homabay | 7.64 ± 0.23a | 0.159 ± 0.027b | 7.19 ± 2.26ab | 0.66 ± 0.23b | 114.00 ± 11.35a | 1294.49 ± 29.83a | 675.73 ± 47.14abc | 5200.10 ± 250.39a | 20.07 ± 2.439.43 ± 4.03cde | 518.46 ± 187.84abc | 247.47 ± 44.93ab | 16.37 ± 3.38a | | Kitui | 6.67 ± 0.44bc | 0.330 ± 0.137ab | 2.64 ± 0.40cd | 0.12 ± 0.05 | 7.60 ± 0.89c | 290.62 ± 161.95f | 463.32 ± 174.59c | 2690.06 ± bcde | 9.43 ± 4.03cde | 110.41 ± 53.76d | 164.01 ± 38.28bc | 5.59 ± 2.96bcd | | Loita | 6.61 ± 0.96cd | 0.0108 ± 0.002b | 4.90 ± 2.98bc | 0.38 ± 0.37 | 9.6 ± 3.05c | 960.61 ± 2.37bc | 575.74 ± 124.75bc | 3132.99 ± 1747.52bcd | 18.13 ± 5.94bc | 824.41 ± 374.62a | 213.24 ± 28.24abc | 4.63 ± 1.57cd | | Maralal | 5.89 ± 0.08cd | 0.070 ± 0.001b | 1.15 ± 1.10d | 0.23 ± 0.06 | 12 ± 5.68c | 971.54 ± 178.90bc | 954.26 ± 504.33ab | 2641.02 ± 704.14bcde | 1.00 ± 0.00e | 482.41 ± 189.04abc | 235.01 ± 59.28ab | 0.52 ± 0.08d | | Marsabit | 6.56 ± 0.20bc | 0.102 ± 0.052b | 3.32 ± 1.31cd | 0.31 ± 0.09bc | 14.00 ± 8.57c | 612.57 ± 258.20de | 1059.73 ± 143.32a | 3588.50 ± 658.41a | 14.11 ± 11.99bcd | 803.12 ± 196.02a | 209.39 ± 13.73abc | 10.07 ± 5.82b | | Mbooni | 6.79 ± 0.27b | 0.109 ± 0.042b | 1.47 ± 1.31d | 0.20 ± 0.25c | 8.5 ± 6.02c | 600.49 ± 90.63de | 676.08 ± 357.48abc | 1779.64 ± 984.91de | 3.22 ± 2.67e17.33 ± 7.13bc | 175.54 ± 174.59cd | 156.78 ± 140.43bc | 1.06 ± 0.45d3.67 ± 1.04cd | | Murang’a | 6.78 ± 0.23b | 0.138 ± 0.036b | 3.37 ± 0.59cd | 0.30 ± 0.28bc | 4.66 ± 1.15c | 670.44 ± 149.04cde | 757.06 ± 188.99abc | 2566.27 ± 539.96bcde | 17.33 ± 7.13bc | 356.39 ± 185.17bcd | 170.16 ± 75.29bc | 3.67 ± 1.04cd | | Namanga | 6.55 ± 0.03bc | 0.066 ± 0.012 b | 1.49 ± 0.44d | 0.03 ± 0.04c | 3.66 ± 1.52c | 130.27 ± 124.35f | 303.94 ± 18.13c | 1366.26 ± 195.63e | 7.30 ± 2.89de | 40.29 ± 8.13d | 55.63 ± 14.46c | 2.36 ± 0.41cd | | Narosura | 5.97 ± 0.82cd | 0.102 ± 0.33 b | 4.96 ± 2.51bc | 0.35 ± 0.06bc | 8.00 ± 3.91c | 894.25 ± 342.68bcd | 552.37 ± 229.67bc | 2032.26 ± 900.52cde | 16.55 ± 1.06bcd | 648.41 ± 388.99ab | 353.77 ± 158.87a | 4.31 ± 1.57 cd | | Ol Donyo Sabuk | 6.68 ± 0.47bc | 0.110 ± 0.031 b | 3.56 ± 0.88c | 0.32 ± 0.26bc | 6.25 ± 4.27c | 371.70 ± 96.91ef | 1053.24 ± 227.17a | 3407.80 ± 809.63bc | 4.42 ± 6.07e | 559.07 ± 219.08ab | 212.34 ± 48.03abc | 18.29 ± 5.46a | | | f (11, 31) = 5.12, | f (11, 31) = 2.90, | f (11, 31) = 16.98, | f (11, 31) = 5.05, | f (11, 31) = 33.95, | f (11, 31) = 11.40, | f (11, 31) = 3.09, | f (11, 31) = 10, | f (11, 31) = 14.88, | f (11, 31) = 6.29, | f (11, 31) = 2.94, | f (11, 31) = 12.89, |
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