candidate: " , Better Crops With Plant Food Magazine , 1943 " Magnesium Depletion in Relation to Some Cropping Systems and Soil Treatments " , Soil Science , 1943 " We Are What We Eat " , St. Louis Post-Dispatch , 1943 " Make the Grass Greener on Your Side of the Fence " , The Business of Farming , 1943 " Soil and Livestock " , The Land , 1943 " Fertilize the Soil Then the Crop " , University of Missouri , 1943 " Soil Fertility and National Nutrition " , Journal of the American Society of Farm Managers and Rural Appraisers , 1944 " Better Pastures Depend on Soil Fertility " , The Fertilizer Review , 1944 " Taking Our Soil for Granted " , The Ranchman , 1944 " Soil Fertility , Food Source " , The Technology Review , 1944 " Mobilizing the Fertilizer Resources of Our Nation 's Soil " , 28th Annual Convention of the National Crushed Stone Association , 1945 " How Long Do the Effects from Fertilizer Last ?