Table 6 Physiographic and soil map legend of the investigated area
From: Assessment of land degradation and implications on agricultural land in Qalyubia Governorate, Egypt
Landscape | Relief | Lithology/origin | Land form | Mapping unit | Profile No. | Soil taxonomy | Type of soil sets |
|---|---|---|---|---|---|---|---|
Flood plain | Nile deposits | Recent Islands | Recent sand deposits | I1 | 1 | Typic Torripsamment | Cons. |
Sub-recent sand deposits | I2 | 2 | |||||
Sub-recent Islands | Recent sand deposits | SI1 | 3 | Typic Torripsamment | Cons. | ||
Sub- recent sand deposits | SI2 | 4 | |||||
Basin | Levees | Recent sand deposits | L1 | 5 | Typic Torripsamment | Cons. | |
Sub- recent sand deposits | L2 | 6 | |||||
Over flow mantle | Relatively high parts | O.M1 | 7 | Typic Torrifluvent | Cons. | ||
Relatively high parts | O.M2 | 8 | Typic Paleargids | Assoc. | |||
Over flow basin | Relatively high parts | O.B1 | 9 | Vertic Torrifluvent | Cons. | ||
Relatively high parts | O.B2 | 10 | Typic Natrargids | Assoc. | |||
Decantation basin | Relatively high parts | D.B1 | 11 | Typic Torrifluvent | Cons. | ||
Relatively high parts | D.B2 | 12 | Typic Torrifluvent | Cons. | |||
Turtle backs | Complex | T.B | 13 | Typic Torripsamment | Cons. | ||
River terraces | Sequence of river terraces | The highest river terraces | T1 | 14 | Vertic Torrifluvent | Cons. | |
The lowest river terraces | T2 | 15 | Vertic Torrifluvent | Cons. |