Land quality | Land characteristics | Unit | Suitability class | |||
---|---|---|---|---|---|---|
Highly suitable (S1) | Moderately suitable (S2) | Marginally suitable (S3) | Not suitable (N) | |||
Climate (C) | Temperature (t) | ℃ | 13.74–18 | 15–16 | 18–20.6 |  > 28, < 10 |
Rain fall (rf) | mm | 908–1200 | 1200–1250 | 1250–1302 |  > 1330, < 500 | |
Topography (T) | Altitude (alt) | masl | 2300–2800 | 2800–3000 | 3000–3200 |  > 3200 |
Slope (s) | degree | 0–4.3 | 4.3–7.6 | 7.6–11.7 | 11.7–25.45 | |
Physical soil properties | Soil texture (txr) | css | CL | C | – | – |
Soil structure (str) | Â | VF, F | F | M | C | |
Soil depth (dp) | cm | 130–200 | 100–130 | 50 -100 |  < 50 | |
Chemical soil properties | Organic matter | % | 4.1–5.13 | 3.4–4.1 | 2.7–3.4 | 1.5–2.7 |
Ele. conductivity | µs/cm | 14.7–35.1 | 35.1–71.3 | – | – | |
Soil pH:H2O | H2O | 5.5–6.5 | 5.2–5.5 | 5.0–5.2 |  < 5 | |
CEC | meq/100 g | 29.9–31.4 | 29.3–29.9 | 28.7–29.3 |  < 28.7 | |
Total N | % | 0.285–0.235 | 0.235–0.185 | 0.185–0.135 |  < 0.085 | |
Phosphorous (P) | ppm | 13.2 | 12.97- 13.2 | 12.76–12.97 | 12.5–12.76 | |
Potassium (K) | ppm | – | – | 0.5–0.577 | – | |
CaCO3 | % | 20.3–21.8 | 21.8- 22.4 | 22.4–23.1 | 23.1–24.14 |