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Farm Progress Reports

Number

RFR A1598

Farm

Northern Research and Demonstration Farm

Department

Agronomy

Fields

Crops and Soils

Areas

Corn

Abstract

Crop yield can be significantly affected by the crops in a rotation because crop characteristics and associated management practices may influence many soil properties and incidence of weeds and pests. Including legumes in a rotation usually increases soil nitrogen (N) supply for corn. A crop rotation study was started at this farm in 1954 to study the effect on crop yields of seven crop sequences and N fertilization rates for corn. Several rotation and N fertilization changes were made over time until 1984. This report summarizes results since 1985.

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