The purpose of this study is to determine the optimum planting date window by planting on multiple dates throughout the growing season.

In this planting date study we observed the most visual differences from fall to harvest, yet surprisingly we saw very little yield difference between the three planting dates. The earlier planted entries had a clear advantage in terms of growth and tillering, both in the fall and at greenup. We believe that the abnormally warm temperatures we experienced in the month of May played a large role in helping the late planted entries progress and mature enough to catch up with the earlier planting dates.

2021 Iowa Soybean SINGULATION STUDY 15 IN. ROWS

2021 Iowa Soybean POPULATION STUDY FOLIAR RESPONSE

Planting Date Study

2018 Ohio Wheat Planting Date Study

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