Topics: Agronomist


I've heard that my corn's entire yield potential is determined very early on in the growing season. I'm already putting starter on with my planter, 5 gallons/acre, is there anything else I can do to make sure my crop gets off to the best start possible? by Jerry M., – Pocahontas, Ill.


Data continues to emphasize the value of high nitrogen availability from planting until full maturity. 30 pounds or more of ammonium N close to the row at planting, or immediately after planting is essential to allow the plant to express its genetic yield potential. Broadcasting high rates of N at pre-plant can help with the initial N needs of the plant. If the N is worked into the soil, it can become diluted and is not as effective as N placed close in the row. Placing N close to the row will help supplement the N need in the first crucial 30 days after planting. A starter (pop-up) fertilizer in the row or beside the row at the rate of 3-5 gallons to the acre will also help early season phosphorus uptake. More applied phosphorus fertilizer will be available if AVAIL is added to the starter.

http://yieldsigns.com/ask-the-agronomist/article/achieving-the-best-corn-yield-potential

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