Gelatine is tasteless and comes in powdered form or in transparent leaves. Sprinkle powdered gelatine over cold water and leave to soak and swell, then stir it into hot liquid until dissolved.

To prepare gelatine fertiliser, you need a tablespoon of gelatine, about 240 ml of hot water, and a bottle with a capacity of approximately 1000 ml. Then, pour the gelatine into a bowl, add hot ...