Humus an effective fertilizer because it is rich in organic matter. (Option A)
<h3>What is Humus?</h3>
Humus is defined as the component of the soil that is rich in organic matter. These organic elements are formed from decomposing matter such as leave and animal remains.
Humus is important because:
it has a high water retention capacity
it is rich with plant nutrients
it preserves the soil and promotes better plant growth.
