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Agronomy Talk

Missouri - David Hughes, CCA

Poultry Manure Applications

Published on Thursday, May 26, 2016

One thing I recommend to many farmers in Missouri is to apply poultry manure. It provides increased soil health, organic matter, and adds a good supply of nitrogen (N), phosphorus (P), and potassium (K). The average per-ton, N-P-K analysis I have taken in the past 8 to 10 years runs approximately 16-45-40 with 16 lb. N being the estimated first-year available. This means a 2 ton/A. application equates to applying approximately 32-90-80 ahead of a corn or soybean crop in addition to the organic material. Often, farmers want to apply manure on soybean stubble going to corn for the extra N benefit. In Missouri, corn harvest often precedes soybean harvest. This can create challenges if soybean harvest is delayed and the window for delivery and application narrows. Consider applying the manure on corn stalks going to soybeans to allow earlier delivery and an increased application window. Before planting soybeans this year, consider a 30 lb./A. pre-plant application of N on half or more of one of your fields to measure yield response. Beck’s Southern IL Practical Farm Research (PFR)® data on this shows a 2-year average ROI of $32.06/A. If you measure a positive response, look at the potential for poultry manure application on your corn stalk ground where available this fall.

Author: David Hughes