From: Assessment of land degradation and implications on agricultural land in Qalyubia Governorate, Egypt
Main mapping unit | Area (acres) | Water logging (depth of water table (cm) | Compaction (bulk density) (g/cm3) | Salinization EC (dS/m) | Alkalization (ESP %) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
> 100 | 100–75 | 75–50 | < 1.2 | 1.2–1.35 | 1.35–1.50 | < 4 | 4–8 | 8.16 | < 15 | 15–25 | 25–35 | ||
I | 861.39 | 4.41 | 53.81 | 41.78 | 60.12 | 39.88 | – | 61.29 | 38.71 | – | 89.16 | 10.84 | – |
SI | 1642.76 | 8.23 | 59.13 | 32.64 | 51.43 | 48.57 | – | 70.82 | 29.18 | – | 90.21 | 9.79 | – |
L | 2116.80 | 19.80 | 51.03 | 29.17 | 54.90 | 45.10 | – | 8.19 | 90.58 | 1.23 | 82.14 | 17.86 | – |
O.M | 20,913.82 | 39.22 | 58.09 | 2.69 | 32.70 | 59.13 | 8.17 | 4.82 | 63.58 | 31.60 | 77.21 | 22.79 | – |
O.B | 39,841.59 | 42.17 | 54.65 | 3.18 | 21.16 | 64.02 | 14.82 | 1.20 | 56.98 | 41.82 | 58.8 | 41.2 | – |
D.B | 70,893.74 | 26.17 | 62.54 | 11.29 | – | 77.84 | 22.16 | 0.80 | 50.02 | 49.18 | 46.19 | 53.81 | – |
T.B | 391.48 | 75.84 | 24.16 | – | 51.62 | 48.38 | – | 65.29 | 34.51 | 0.20 | 83.31 | 16.69 | – |
T | 9991.79 | 76.28 | 23.72 | – | 54.11 | 45.89 | – | 61.11 | 38.49 | 0.40 | 80.26 | 19.74 | – |