Questions and Answers
What is the main source of the biotic material in the soil?
Decomposition of the remains of plants and animals
What is the role of microorganisms and other organisms in the soil?
They help to decompose the dead organic materials
How does the proportion of humus in the soil affect its fertility?
If the proportion of humus is greater, the soils become fertile
What is the relationship between climate and the rate of soil formation?
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How does the use of chemical fertilizers and insecticides affect the soil?
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