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SS3: AGRICULTURAL SCIENCE - 1ST TERM

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  1. Crop Improvement | Week 1
    9 Topics
    |
    1 Quiz
  2. Animal Improvement | Week 2
    6 Topics
    |
    1 Quiz
  3. Animal Health Management I - Introduction | Week 3
    7 Topics
    |
    1 Quiz
  4. Animal Health Management II | Week 4
    5 Topics
    |
    1 Quiz
  5. Animal Health Management III | Week 5
    7 Topics
    |
    1 Quiz
  6. Aquaculture | Week 6
    11 Topics
    |
    1 Quiz
  7. Apiculture or Bee-keeping | Week 7
    10 Topics
    |
    1 Quiz



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Topic Content:

  • Features of a Standard Fish Pond
    • Dyke, Core trench, Monk, Spillway, etc.
fish pond 1

A standard fish pond has the following features or characteristics:

1. Dyke:

Dykes form the boundary of the entire pond system. They keep the necessary volume of water impounded and form the actual pond; It ensures the availability of water in the pond.

2. Core Trench:

This is the excavated portion of the fish pond. It consolidates the walls with stones and cement. A trench must be constructed to prevent water from seeping under the dam.

3. Distribution Channel:

This is the area which helps introduce water into the pond. Water is distributed to all the sections of the pond until it gets to a particular volume. Fertilizers can equally be mixed up with the water and distributed to all the pond sections until they reach a particular volume.

4. Spillway:

A spillway is a path for excess water to exit the pond. It is a passage for water to flow over or around a dyke. It is positioned at one end of the dyke. It uses a wood or wire-mesh screen.

 

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