Summary: <p>Fertilizer is crucial for food--plants need it in order to grow and thrive. <a rel="nofollow" class="guestlink">Harold Van Es</a>, professor in the Department of Crop and Soil Sciences at Cornell University, explains what fertilizer is made of, why it's so important, and how to manage it.</p><p><strong>Let us know if you have a question! Leave it as a comment or call us at 212-433-9692.</strong></p><p>?</p>
