Small Grains WSU Extension Residue Production Calculator Crop: Select a crop Winter Wheat Spring Wheat Winter Barley Spring Barley Lentils Peas Austrian Winter Peas Rye Triticale Canola Grain yield: Select a unit bushels/acre lbs/acre Calculate Clear Output: Average residue dry yield(lbs/acre) An example of understanding 95% confidence interval: assuming we had 100 crop seasons or fields, we are confident that 95 crop seasons or field had residue yield within the range of ( , )