Questions and Answers
Which of the following is NOT one of the biological systems used in the production of biofertilizers?
Oxidizer for organic matter
Which biological system is responsible for mineralizing mineral phosphates and organophosphates?
Solvent for mineral phosphates
What is the role of the system that acts as a silicate analyzer and liberator for potassium and silicon?
To liberate potassium and silicon
Which of the following is a function of the biological system that stabilizes atmospheric nitrogen?
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What is the main function of the biological system acting as a solvent for mineral phosphates and organophosphates?
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Which type of organisms are capable of stabilizing atmospheric nitrogen?
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What is the most common type of Azotobacter?
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What is the optimum temperature for Azotobacter?
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Which of the following organisms secrete nitrogenous substances that help plants grow and fix the equivalent of 20-40 kg/ha annually?
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What does Azotobacter not have the ability to do?
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