Table 4 Areal extent of the different classes of soil properties in the study site
Soil parameters | Ratings | Area (ha) | Area (%) |
|---|---|---|---|
Soil pH | 4.5–5 | 28825.68 | 38.71 |
|  | 5.0–5.5 | 17796.10 | 23.90 |
|  | 5.5–6.0 | 22286.75 | 29.93 |
|  | 6.0–6.8 | 5559.97 | 7.47 |
OC (%) |  < 2 | 9333.30 | 12.53 |
|  | 2–4 | 54653.81 | 73.39 |
|  | 4–5 | 10481.39 | 14.07 |
TN (%) |  < 0.15 | 6556.73 | 8.80 |
|  | 0.15–0.25 | 9527.29 | 12.79 |
|  |  > 0.25 | 58384.48 | 78.40 |
AvP (mg kg−1) |  < 5 | 37893.48 | 50.89 |
|  | 5–10 | 21852.12 | 29.34 |
|  | 10–15 | 10251.43 | 13.77 |
|  | 15–20 | 4037.45 | 5.42 |
|  |  > 20 | 434.02 | 0.58 |
Ex. K (cmolc kg−1) | 0.7–2.0 | 63409.09 | 85.15 |
|  |  > 2.0 | 11059.41 | 14.85 |
Ex. Ca (cmolc kg−1) | 0–2 | 67089.33 | 90.09 |
|  | 2–4 | 7379.17 | 9.91 |
Ex. Mg (cmolc kg−1) |  < 0.3 | 21.12 | 0.03 |
|  | 0.3–1 | 49964.97 | 67.10 |
|  | 1–3 | 24482.41 | 32.88 |