Agricultural Economics Department


Date of this Version

April 2003


Published in Cornhusker Economics, 04/30/2003. Produced by the Cooperative Extension, Institute of Agriculture and Natural Resources, Department of Agricultural Economics, University of Nebraska–Lincoln.


It is well recognized that at particular times in the growing season weather can be a critical determinant of crop yield. Here we report research which identifies those periods and quantifies their impact. This research can be useful in understanding the yield impacts of the often discussed and debated issue of climate change. A shift in climate may change the level and variability of temperature and precipitation in critical crop growing stages. To better understand how climate change would impact crop yields, identifying those critical growing stages and quantifying their impact on yield is important.