FERTILIZER NUTRIPAK FRUIT NUT TREE 16-16-16 Plants will recieve the correct amount of fertilization without the guesswork Simply bury the scientifically designed perforated packet next to the root system of the plant to be fertilized Nutri Pak 16-16-16 for fruit, nut trees and shrubs - Can be used during planting and on established plants Application rate is 1 Nutri Pak per inch tree caliper or 1 foot of shrub height Packets are 2 oz. (or 56.7 grams) - 3 year, controlled release formula (lasts 3-4 years)