Question

Why soil is called primary nutrient base ?

Answer 1

An ideal soil contains equivalent portions of sand, silt, clay, and organic matter. Soils across North Carolina vary in their texture and nutrient content, which makes some soils more productive than others. Sometimes, the nutrients that plants need occur naturally in thesoil.

Answer 2

because it contains nitrogenous Phosphorus and potassium which is greatly helpful for the plants growth