Organic supplement rich with phosporous, calcium and nitrogen. Fish bone meal makes the ideal organic fertilizer for all types of plants, trees and vegetables. It is a good source of calcium and phosphorous, essential for plants to flower and produce strong roots. It is particularly ideal for root vegetables such as onions, garlic, carrot and turnip. Fish bone meal contains nitrogen as well which encourages plants to grow strong, besides promoting lush green foliage. As it slows releases the nutrients for months at a time. Fish bone meal is cost effective as well.