Carbonized rice hull is made from incomplete or partial burning of rice hull.
(Carbonized Rice Hull) is a very good soil fertilizer and conditioner as it contains Phosphorous (P), Potassium (K), Calcium (Ca), Magnesium (Mg), and micronutrients vital to growing crops.
It makes the clay soil porous because of its loose composition and improves soil structure by increasing bulk density, water holding capacity, and aeration. CRH also harbours good bacteria and it serves as houses for microorganisms.
With these benefits, CRH is a very good potting media for seed sowing and seeding propagation.