Arizona's Best AZB10101 Fruit & Nut Tree Fertilizer, 13-7-3, 20 lbIt's provide a balanced formula of nutrients essential for high quality fruit, nuts, grapes and berries, with higher yield. Sulfur, iron and zinc helps plants to withstand weather extremes and improves overall color and resistance to many diseases. 20 lbs 13 7 3 Fruit & nut tree fertilizer Encourages higher yield Contains sulfur, iron and zinc for helthier trees Contains special combination of plant nutrients beneficial to tree growth & productivity