Bone meal as the name suggests is made from ground-up animal bones. This rich source of phosphorous and calcium is best for fruit and flower development on your plant. Bone meal also aids in balancing phosphorus content in nitrogen-rich organic manure.
WHEN TO USE, HOW TO USE, HOW MUCH TO USE?
Apply bone meal in plants during their active growing season or in the spring season
Plants planted in garden in-ground spread 4-5 Kg bone meal per 100 Sq feet area
In potted Plants apply bone meal in a circular manner around the plant but away from the main stem and apply water 1-2 tablespoons for small plants
2-4 tablespoons for medium plants
5-6 tablespoons for bigger plants in pots.
Use bone meal along with any nitrogen-rich organic manure.
Add it to soil mix before planting new plants in pots also.
Use it in existing plants in the pot directly.
Use gloves/mask if you are allergic to fertilizers