Match the following:
Column 1Column 2A. Earthwormi. FertiliserB. 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 macro organic manure.
∙ NPK (Nitrogen, Phosphorous and Potassium) is a chemical fertiliser.
∙ Crop rotation is one of the replenishment methods used to increase nutrients in the soil.