Ferti Rich – A Control Release Fertilizer One time 90-100 days for garden use! Improve soil quality, increase nutrients uptake! Ferti Rich is a slow release fertilizer for flowers, crops and fruit trees. Proven results to perform better and save more cost compared to traditional fertilizers. Application: Flowers and crops : 20gm-40gm per plant. Fruit Trees : 30gm-50gm per plant. Apply once in 90 days.