The November Crop Report estimated Iowa com and soybean yields at 121 and 44 bu/ac, respectively. One can expect these numbers to be adjusted somewhat by the January report. If the November yield relationship holds in later estimates the soybean crop is relatively better than the com crop. The yield relationship between com and soybean varies between regions and is a reflection of the variation in growing season in the different parts of the state. Yield estimates, as of November 1, are presented by Crop Reporting District in Table 1. Yield is the result of many factors. The major negative factors in 1995 were late planting, too much rain, too little rain, cool conditions in May, excessive heat in August and early September, early frost, com borers, weeds, gray leaf spot, etc. The importance of each varied greatly depending on region of the state.