Leaving Cert Agricultural Science Notes

Free Leaving Cert Agricultural Science revision notes for Higher Level. Browse 18 topics and read online without an account.

18 topicsHigher LevelUpdated 5 Oct 2026

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Explore the Agricultural Science topics

Explore soil science, crop production and grassland alongside beef, dairy, sheep and pig enterprises, animal physiology and genetics.

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Animal DiseasesGood animal husbandry means managing livestock so they remain healthy, comfortable, and productive.17 min read Animal Physiology - Digestive SystemDigestion is the biological breakdown of complex feedstuffs into simple, soluble molecules that can be absorbed across the gut wall into the bloodstream for…21 min read Animal Physiology - Reproductive SystemsOn Irish livestock farms, getting cows and ewes back in calf or in lamb on time is what drives output and profit.16 min read Beef CattleManaging livestock successfully means matching feed to the animal's changing needs as it grows, reproduces, and produces milk or meat.20 min read Dairy CattleBovine gestation lasts approximately 283 days.15 min read PigsPig production in Ireland is an intensive livestock enterprise governed by monogastric biology.19 min read SheepSheep production in Ireland combines an integrated stratified breeding system with extensive hill grazing and productive lowland pastures.23 min read Classification of Animals & PlantsLiving agricultural organisms are divided into two fundamental groups based on cell structure: prokaryotes and eukaryotes.15 min read GeneticsGenetics explores how inherited characteristics pass from parents to progeny via genes on chromosomes.13 min read Innovation and Biotechnology in AgricultureInnovation and biotechnology provide modern agriculture with the scientific tools needed to produce food efficiently while protecting the environment.21 min read Crop ProductionSuccessful establishment begins by assessing the physical and chemical state of the soil. Most Irish arable crops thrive between pH 6.0 and 7.0.18 min read Energy Crop & Catch CropEnergy crops and catch crops are grown for very different reasons from a normal food crop. An energy crop is grown as fuel rather than food.17 min read GrasslandA grass plant is made of individual shoots called tillers.17 min read Plant PhysiologyPlant physiology examines how agricultural crops capture energy, move water, absorb minerals, and build harvestable dry matter.16 min read Fertilisers - Pollution - Environment - CyclesAnimal manure is a valuable organic fertiliser, but improper storage or spreading damages waterways, soil, and the air.3 min read Soil ScienceSoil forms over thousands of years as bedrock breaks down and mixes with decaying organic matter.20 min read Scientific Practices - Experiments & InvestigationsScientific practices form the foundation of Leaving Certificate Agricultural Science (Strand 1).14 min read ExperimentsThis note covers the 19 specified practical activities required for Leaving Certificate Agricultural Science across soils, crops, and livestock.21 min read

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