Table 6 Effect of land use-land covers on soil fertility (n = 10).
Land use-land covers | Available N (kg ha− 1) | Available P (kg ha− 1) | Available K (kg ha− 1) | ||||||
|---|---|---|---|---|---|---|---|---|---|
0–15 | 15–30 | 30–60 | 0–15 | 15–30 | 30–60 | 0–15 | 15–30 | 30–60 | |
Control | 94.56 ± 4.23 f | 86.20 ± 4.32 e | 53.40 ± 3.37 e | 26.50 ± 2.54 e | 19.50 ± 2.14 e | 16.40 ± 1.12 e | 392.40 ± 13.12 f | 265.60 ± 6.23 f | 240.30 ± 8.33 f |
Rice-Wheat | 123.30 ± 6.13 e | 92.44 ± 4.23 de | 54.22 ± 3.12 e | 38.30 ± 2.12 d | 31.50 ± 1.13 c | 19.70 ± 1.13 d | 432.50 ± 23.22 e | 312.30 ± 11.34 e | 269.50 ± 6.12 e |
Pastoral | 160.97 ± 4.34 d | 112.40 ± 7.44 cd | 65.35 ± 3.45 d | 36.40 ± 2.22 d | 29.70 ± 2.12 cd | 23.40 ± 1.63 b | 509.20 ± 12.64 d | 403.60 ± 9.63 d | 296.40 ± 7.23 d |
Silvi- agriculture | 164.23 ± 5.12 cd | 123.40 ± 6.12 c | 68.20 ± 2.34 cd | 41.50 ± 1.43 c | 31.60 ± 1.45 bc | 21.70 ± 1.47 c | 522.40 ± 14.33 cd | 412.30 ± 7.54 cd | 342.50 ± 6.36 c |
Silvipastoral | 183.64 ± 7.14 a | 143.20 ± 5.22 a | 83.40 ± 3.34 a | 56.40 ± 3.12 a | 33.60 ± 2.23 a | 24.60 ± 1.32 a | 610.40 ± 12.25 a | 540.20 ± 8.67 a | 365.60 ± 7.12 a |
Silviculture | 172.40 ± 8.12 b | 124.20 ± 4.33 bc | 76.30 ± 4.12 b | 43.20 ± 2.23 bc | 32.70 ± 1.45 ab | 23.50 ± 2.12 ab | 540.30 ± 16.34 bc | 453.60 ± 11.22 b | 312.20 ± 8.44 bc |
Horticulture | 168.30 ± 5.34 bc | 116.10 ± 3.63 cd | 66.30 ± 4.37 d | 32.45 ± 1.67 de | 23.40 ± 2.12 d | 22.50 ± 1.43 bc | 482.50 ± 12.23 de | 376.40 ± 8.23 de | 287.60 ± 6.12 de |
SE± | 2.12 | 2.34 | 1.13 | 1.47 | 0.68 | 1.12 | 4.03 | 2.74 | 2.36 |
LSD (p ≤ 0.05) | 6.13 | 7.32 | 3.35 | 4.63 | 2.13 | 3.31 | 12.43 | 8.46 | 7.23 |