Revive, Grow, Thrive: Spring Nutrition Essentials for Citrus Spring marks the beginning of a new growth cycle for citrus trees. Just like deciduous trees it is... Haifa Bonus™ Potassium Nitrate – Enriched with Phosphate 13-2-44 (crystalline)- fully water-soluble For Foliar Evaluation of Controlled Release Fertilizers for Young Citrus Trees Abstract: Controlled-release sources of N and K were compared with soluble sources on young...