Abstract
ABSTRACT THE erosion consequences of historic land man-agement in the loess hills region of western Iowa were evaluated by comparison with similar loess terrain in Poland. Application of the Universal Soil Loss Equa-tion, using inputs based on available cropping, man-agement, topographic, soils and climatic data, indicate that the Iowa sheet-rill erosion rates are more than double those in Poland, primarily due to the greater rainfall erosivity (R) and field slope length (L). Gullying is serious at both locations, although present Polish gullying rates are probably less than historic rates and present Iowa rates.
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