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Leaving Cert Agricultural Science, Essential Revision Notes


Syllabus for written examination: 4

1. Animal Production 14

2. Animal Science 38

3.Genetics 61

4. Grassland Management & Silage Production 74

5.Plant Science 83

6. Potatoes 103

7.Soil Science, Fertilizers.. 106

8.Tillage – 1 124

9.Tillage 2 126

10.Tillage 3 128

11.Tillage Crops 137


Ordinary and Higher Level courses

Syllabus for written examination:


  • The formation of soils.
  • Principal rock groups.
  • Weathering of rocks.
  • Origin of soils: glaciation, derived soils, soils formed in situ, formation of peats.

Soil Texture

  • Size of particles as determined by mechanical analysis. Classification of soils.
  • Humus.
  • Use of geological maps.
  • Map study of soils in Ireland.
  • Local soil surveys.
  • Physical properties of soils.
  • Soil structure; soil air; soil density; soil temperature; soil water and soil water control.
  • Principles of soil cultivation with reference to tillage crops and grassland.
  • Chemical properties of soils.
  • Colloidal properties, pH and flocculation in relation to clay fraction and humus.
  • Base exchange.
  • Major and minor elements. Fertilisers and liming.
  • Living organisms and their effects.
  • Macro and micro organisms. Interdependence of animals and plants.
  • Decomposition of organic matter; carbon and nitrogen cycles.
  • Improving soil fertility.

The General Structure and Function of Plants

  • Elementary structure and life cycle of a bacterium, mould, fern, pine and flowering plant.
  • The plant cell – types of cells in different plant tissues as seen in roots, stems, leaves.
  • Cell division – mitosis, meiosis.
  • Parts of the flowering plant – function of each part.
  • The flower and seed production.
  • Structure of seed – monocot and dicot.
  • Germination and establishment.
  • Propagation of plants by vegetative means.
  • Plant physiology: osmosis, respiration, photosynthesis, transpiration, translocation, food storage.
  • Tests for food constituents.
  • Essential elements for normal growth.
  • Identification of plants of agricultural importance in the school environment and study of characterist...

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