As crop growth progresses into early July, it is time to take a few minutes to check your corn and soybean fields for signs of soil compaction. Several factors can indicate soil compaction, including stunted plants, slow infiltration and ponds of water, high surface runoff and soil erosion under normal or light rainfall, evidence of poor root system establishment, and nutrient deficiency, i.e., compaction can result in reduced potassium uptake.
Iowa State University
Hanna, H. Mark; Al-Kaisi, Mahdi; and Tidman, Michael, "Soil compaction may be cutting into your yield" (2002). Integrated Crop Management News. 1739.
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