Sawaal
3
Q:

What is organic matter in soil is also called

A) residue B) humus
C) occlusion D) compact

Answer:   B) humus



Explanation:

In soil, organic matter consists of plant and animal material that is in the process of decomposing. When it has fully decomposed it is called humus. Soil organic matter serves as a reservoir of nutrients for crops, provides soil aggregation, increases nutrient exchange, retains moisture, reduces compaction,... 

This humus is important for soil structure because it holds individual mineral particles together in clusters.

 

Subject: General Science
Exam Prep: Bank Exams
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