Jobes Organics 09224 Fruit. After your peach trees start bearing fruit their uptake of nitrogen increases so an application of high-nitrogen fertilizer is recommended once in early spring. Fruit Tree Fertilizer How To Make And Apply Homemade Fertilizer Fruit Trees Fruit Growing Fruit Use a pound for new trees and add a pound each year up to ten pounds for mature standard peaches. Best fertilizer for peach trees . Ad Find China Manufacturers Of Organic Fertilizers. Fertilizer guide for peach trees. General rule-of-thumb fertilization rates for peach trees are shown in Table 4. Phosphorus encourages root development and is essential for young trees. Apply Epsom salt 1 tablespoon per sq ft of fruit trees and shrubs to boost chlorophyll levels inside plant cells which means improved photosynthesis stronger growth of the plant sweeter fruits and increase productivity. Jobes 100046754 1612 Fertilizer Spike. Soil Type Preferred - Peach and nectarine trees grow and produc...