Table 1 Physical and chemical properties of different lime soil types in the study area.
From: Human causes of soil loss in rural karst environments: a case study of Guizhou, China
Soil type | Soil depth (cm) | pH | Soil bulk density (g cm−3) | Organic matter (%) | Total nitrogen (g kg−1) | Total phosphorus (g kg−1) | Total potassium (g kg−1) | Soil particle size (mm) | ||
|---|---|---|---|---|---|---|---|---|---|---|
<0.002 | 0.002–0.02 | >0.02 | ||||||||
Black lime soil | 0–5 | 7.09 | 0.99 | 5.08 | 3.12 | 0.54 | 27.35 | 36.04 | 14.39 | 49.57 |
5–10 | 7.04 | 1.13 | 4.60 | 3.15 | 0.41 | 19.27 | 40.27 | 29.74 | 29.99 | |
10–20 | 7.02 | 1.11 | 4.48 | 2.99 | 0.69 | 21.73 | 43.56 | 35.62 | 20.82 | |
Yellow lime soil | 0–5 | 7.00 | 1.08 | 4.41 | 2.87 | 0.12 | 1.09 | 50.00 | 36.50 | 13.50 |
5–10 | 6.99 | 1.22 | 5.73 | 3.53 | 0.19 | 5.76 | 59.50 | 27.70 | 12.80 | |
10–20 | 7.13 | 1.26 | 4.48 | 3.05 | 0.32 | 5.40 | 67.20 | 23.80 | 9.00 | |
Red lime soil | 0–5 | 7.46 | 1.28 | 0.38 | 0.34 | 0.19 | 13.77 | 41.50 | 38.60 | 19.90 |
5–10 | 7.52 | 1.41 | 1.87 | 0.03 | 0.18 | 23.41 | 53.00 | 28.80 | 18.20 | |
10–20 | 7.32 | 1.53 | 2.45 | 0.39 | 0.19 | 17.42 | 19.90 | 50.20 | 29.90 | |
