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  1. Rare earth elements and clay minerals of soils of the floodplains of ...

  2. Calcareous Soil - Banglapedia

  3. Major Soil Types - SpringerLink

  4. Distribution, characteristics and management of calcareous soils

  5. Minimal soil disturbance and increased residue retention increase soil

  6. Soil Classification - SpringerLink

  7. 21 General soil types of Bangladesh - Basic Agricultural Study

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