Many producers wonder how this spring's lack of rainfall will affect planting and seed germination. Before performing any tillage operations, producers should inspect the top 6 inches for soil moisture status. If soil moisture is low, producers should minimize tillage unless it is absolutely necessary because each tillage pass can cause soil moisture loss of up to a 0.25 inch.
Iowa State University
Al-Kaisi, Mahdi; Hanna, H. Mark; and Tidman, Michael J., "Adjusting planting soil depth for better germination" (2000). Integrated Crop Management News. 2095.
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