The best corn fertilizer contains nitrogen, phosphate and potash in a fertilizer ratio of 2-1-1 or 1-1-1, according to West Virginia University's Extension Service. Apply the fertilizer at a rate of two to three pounds for every 100 square feet of corn, according to Texas A&M University.
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Joshua Duvauchelle is a certified personal trainer and health journalist, relationships expert and gardening specialist. His articles and advice have appeared in dozens of magazines, including exercise workouts in Shape, relationship guides for Alive and lifestyle tips for Lifehacker. In his spare time, he enjoys yoga and urban patio gardening.