Alternative Sources of Fertilisers (Grade 12 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What must happen to organic fertilisers before plants can absorb them?
What must happen to organic fertilisers before plants can absorb them?
They must degrade first
Which three nutrients are found at high levels in manure?
Which three nutrients are found at high levels in manure?
Nitrogen, phosphorus, potassium
How does the slow release of nutrients from manure benefit the environment?
How does the slow release of nutrients from manure benefit the environment?
Prevents nutrient leaching into water
What is guano?
What is guano?
Excretion of seabirds, bats & seals
Which nutrient is guano particularly high in, making it an effective fertiliser?
Which nutrient is guano particularly high in, making it an effective fertiliser?
Phosphorus
What do nodules on legume roots contain that enriches soil?
What do nodules on legume roots contain that enriches soil?
Nitrogen-fixing bacteria
Which crops are examples of legumes used in crop rotation?
Which crops are examples of legumes used in crop rotation?
Beans, peas, soy beans
What effect does lime have on soil pH?
What effect does lime have on soil pH?
Increases pH (less acidic)
Where does the name 'potash' come from historically?
Where does the name 'potash' come from historically?
Ashes soaked in pots of water