Soil Organic Matter MCQs Quiz 7

1. A key limitation of applying raw poultry manure directly to vegetable crops is ____________

2. The C:N ratio (Carbon-to-Nitrogen ratio) in soil mainly controls _________________

3. Proteins in soil organic matter are primarily a rich source of _______

4. Formation of stable humus is primarily associated with the decomposition of _________________

5. In soil, humus is formed by the process of ___________

6. During nitrogen mineralization, organic nitrogen is converted into __________

7. A key limitation of applying fresh farmyard manure (FYM) to soil is ___________

8. Conversion of organic nitrogen into plant-available form is called __________

9. Fungi are primarily responsible for the decomposition of _______________

10. _____________ are considered as Primary decomposers in soil