Figure 2 | Scientific Reports

Figure 2

From: Iran’s Land Suitability for Agriculture

Figure 2

Edaphic and topographic constraints of agriculture in Iran. Geographical distribution of the limiting soil and topographic factors for lands classified as unsuitable, very poor, and poor as shown in Fig. 1. Suitability > 0.4 refers to as medium, good, and very good lands (see Table 3). Acronyms: Cation Exchange Capacity, CEC; Organic carbon, OC; Base saturation, BS; Exchangeable Sodium Percentage, ESP; Available Water Content, AWC. Map was generated using QGIS 2.18.

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