Caisim (Brassica chinensis) is an agricultural commodity in Indonesia that can be utilized as food. This study aims to determine the combination of the addition of rice husk charcoal - compost and inorganic fertilizer on P-available, pH and growth of caisim (Brassica Chinensis). This study uses the Factorial (RAL) method with 2 treatment factors, factor 1 organic soil conditioner with 4 levels …