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Explain five ways of maintaining soil fertility.

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  1. Control of soil erosion which aim at promoting good rain water retention and reducing the surface runoff.
  2. Crop rotation: help to control crop pest and diseases and maximum utilization of soil nutrients.
  3. Control of soil pH:Most soil organisms do well at a certain soil Ph.
  4. Proper drainage :Done by breaking the hard layers.
  5. Weed contol:weed compete with crops for nutrients, space sunlight and moistur
  6. Intercropping: when different species of crops yields are normally high.
  7. Minimum tillage: overcultivation destroys the soil structure leading to soil erosion.
  8. Use of manures-add nutrients to the soil and moderate soil pH
  9. use of inorganic fertilizers: add nutrients to the soil
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Watering trees

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