Continuous ploughing of the soil, and lack of live fences on the farm borders, or erosion prevention solutions using vetiver, have made farm soils gravelly, lacking in micro-nutrients, and unable to retain water. Rock dust, along with other solutions can be used to fix such soils.

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When added to compost, the micro-nutrients in rock dust become available from either bacterial and fungal action, or additionally from the action of earthworms.

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The rock fines left over from washing m-sand or manufactured-sand, can be used to line farm ponds, to reduce seepage.

More about lining farm ponds