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Questions and Answers
What is the primary source of nutrients for plants?
What is the primary source of nutrients for plants?
- Inorganic salts
- Nitrogen
- Carbon dioxide (correct)
- Organic materials
Which of the following elements is NOT required by plants for their nutrition?
Which of the following elements is NOT required by plants for their nutrition?
- Calcium
- Sodium (correct)
- Phosphorus
- Magnesium
What is the form of nitrogen that plants require for their nutrition?
What is the form of nitrogen that plants require for their nutrition?
- Nitrogen gas (N2)
- Nitrate (NO3−) (correct)
- Ammonia (NH3)
- Nitrous oxide (N2O)
What is the source of the nutrients found in soil?
What is the source of the nutrients found in soil?
Which of the following inorganic compounds do plants take up, but do not require for their nutrition?
Which of the following inorganic compounds do plants take up, but do not require for their nutrition?
What is the primary composition of rocks in terms of mineral elements?
What is the primary composition of rocks in terms of mineral elements?
What is the significance of microorganisms in soil?
What is the significance of microorganisms in soil?
Which group of bacteria is able to fix atmospheric nitrogen and where do they live?
Which group of bacteria is able to fix atmospheric nitrogen and where do they live?
What is guano and why is it valued as a fertilizer?
What is guano and why is it valued as a fertilizer?
How are most nitrogenous fertilizers produced?
How are most nitrogenous fertilizers produced?
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