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Jim Holmes/Panos Pictures
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| In the Indus valley, Pakistan salinisation is a major problem for farmers. Hot temperatures cause the water in the soil to evaporate. As a result, the salts are left behind and ruin the farmland. |
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Jim Holmes/Panos Pictures
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| In the Indus valley, Pakistan salinisation is a major problem for farmers. Hot temperatures cause the water in the soil to evaporate. As a result, the salts are left behind and ruin the farmland. |