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Armstrong Memorial Research and Demonstration Farm

Soybean Response to Early Planting and Seed-applied Fungicide

Authors
  • John Lundvall (Iowa State University)
  • Mark E. Westgate (Iowa State University)
  • Keith Whigham
  • Dale E. Farnham (Iowa State University)

Abstract

Modern, elite soybean varieties respond well to early planting. Multiyear results from ISU research farms suggest that mid-April to early May planting dates most often produce top yields. Research farm and on-farm strip trials also suggest that elite varieties yield similarly over a wide range of seeding rates and resulting harvest populations. Based on these results, producers are advised to plant soybeans as soon as spring field conditions allow, with a seeding rate of 150,000–175,000 seeds/acre.

Keywords: Agronomy

How to Cite:

Lundvall, J., Westgate, M. E., Whigham, K. & Farnham, D. E., (2002) “Soybean Response to Early Planting and Seed-applied Fungicide”, Iowa State University Research and Demonstration Farms Progress Reports 2001(1).

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Published on
2002-01-01

Peer Reviewed

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