Documents.
In this study, The maturation slow down of banana by using potassium permanganate, roast rice, ground charcoal, chalk and white ashes. This study investigated the following related documents. 1. Bananas 2. Ripening of the fruit. 3. Extending post-harvest fruit. 4. Substances that slow down the ripening of the fruit. 4.1 Potassium permanganate. 4.2 Roasting rice. 4.3 Ground charcoal powder 4.4 Powdered chalk. 4.5 White ashes. 5. Studies on the slow ripening of the fruit.