Fetilisers (AQA A-Level Biology): Flashcards
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Practise the cards
10 cards from this deck
Mineral ions plants particularly need from soil
Mineral ions plants particularly need from soil
Nitrates
Type of farming that disrupts mineral cycling
Type of farming that disrupts mineral cycling
Intensive farming
What natural fertilisers are derived from
What natural fertilisers are derived from
Biological materials (decomposed matter, manure, slurry, bone meal)
Three key elements in artificial fertilisers (abbrev.)
Three key elements in artificial fertilisers (abbrev.)
Nitrogen, phosphorus, potassium (NPK)
Biological molecules nitrogen helps synthesise
Biological molecules nitrogen helps synthesise
Amino acids, ATP, nucleotides
Law describing fertiliser application effectiveness
Law describing fertiliser application effectiveness
Law of diminishing returns
Most effective nitrogen fertiliser form
Most effective nitrogen fertiliser form
Ammonium nitrate
Nitrogen fertilisers with moderate effectiveness
Nitrogen fertilisers with moderate effectiveness
Manure and urea
Why manure is initially less effective
Why manure is initially less effective
Requires decomposition before nitrogen becomes available
Limiting factors after optimal fertiliser use
Limiting factors after optimal fertiliser use
Water, temperature, or light