Soybeans were planted in late March this year in several areas of southeastern Iowa. Producers made the decision to plant in March based on past experiences of fields being too wet to plant in April. Past planting delays have resulted in soybeans being planted in late May or early June. Experience also has shown producers that planting soybeans in June usually results in lower yields than desired. However, planting soybeans in late March or early April increases the chance of plant damage by a late spring frost, which may cause stand reduction and the need to replant.
Iowa State University
Whigham, Keith, "Soybean planting date in 2000" (2000). Integrated Crop Management News. 2096.
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