With the recent increase in fertilizer prices, it is more important than ever to use the right amount of fertilizer to maximize the economic returns. Applying too little or too much fertilizer can result in substantial economic loss.
The timing of the ending R stages in soybean is governed by planting date (PD) and varietal maturity group (MG), though the date of R7 can be hastened if water stress and high temperatures prevail in August — something we are seeing in portions of Nebraska this year.
University of Nebraska irrigation scheduling recommendations encourage irrigators to allow crops to continue using more of the stored soil water starting in August and continuing into September when the crop matures.
Across Nebraska, our crops continue to mature as we rapidly move towards harvest 2020, however, when scouting you may start to see more ears that have prematurely drooped. What is causing this phenomenon in our corn? And what does this mean for yield in those fields affected?