Match the following.
Column 1Column 2A) Earthworms i) FertilizersB) Cow dungii) VermicompostC) NPKiii) Crop rotationD) Replenishment methodiv) ManureA-ii B-iv C-i D-iii
Vermicompost is the product or process of composting organic residues using earthworms. Cow dung is used as manure. NPK (Nitrogen, Phosphorous, and Potash (Potassium)) is an example of a fertilizer. Crop rotation is one of the replenishment methods to increase nutrients in the soil.