5. What do you mean by soil fertility? How can it be maintained?
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Soil fertility is the ability of soil to sustain plant growth and optimize crop yield. ... Such soil fertility management practices include the use of fertilizers, organic inputs, crop rotation with legumes and the use of improved germplasm, combined with the knowledge on how to adapt these practices to local conditions.
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Soil fertility means maintenance of regular supply of nutrients required by plants in their usable form.
It can be maintained by adding fertilizers and manure.
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