To examine how planting depth impacts plant population, emergence and yield.

2016 Multi-Location Soybean Planting Depth Study

2-YEAR MULTI-LOCATION PLANTING DEPTH YIELD ADVANTAGE

The planting depth of soybeans is an element of management that is often overlooked. Currently, the common recommendation for soybean seeding depth is 1 to 1.5 in. Recently, there has been more discussion related to soybean seeding depth and how it may influence yield. Beck’s PFR results for 2016 exhibited a yield benefit when soybean seed was placed between 1.5 and 2 in. deep. Yield increased by 6.6 Bu./A. just by increasing planting depth by 0.5 in. over the control depth of 1 in. Yield and emerged population increased an average of 5.2 Bu./A. and 11,000 plants/A. when seeding depth was between 1.5 and 2 in. I will commonly recommend a seeding depth of soybeans to be 1.5 to 1.75 in. Shallowing up planting depth may be necessary if soils are saturated with the potential for crusting, or when dealing with certain soils characteristics such as tight clay soils.

2021 Iowa Soybean SINGULATION STUDY 15 IN. ROWS

2021 Iowa Soybean STARTER FERTILIZER STUDY 2X2X2

Planting Depth Study

2016 Multi-location Soybean Planting Depth Study

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