Question

Organic substances of animal or plant origin that is added to the soil to increase its fertility and structure are called

Answer 1

Answer:

Manure

Explanation:

Organic manure adds organic matter called humus to the soil, which restores the soil texture for better retention of water and aeration of soil. Manure is the organic substance of animal or plant origin. It is added to soil to increase its fertility as well as the structure.