The soy replant decision is based on accurate stand count and interacting factors, including yield potential of the existing stand, planting date, maturity group and the true cost of re-planting. Unfortunately, producers tend to make replant decisions based on quick visual estimations that often underestimate the existing plant population.
Several factors which contribute to inadequate soy stands includes planting into poor seedbed, usage of poor seed quality, inaccurate planter adjustment, planting ''too fast'', soil crusting and moisture extremes and environmental-induced plant injury.
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Article made possible through the contribution of Iowa State University Extension.