candidate: " , The Furrow , 1948 " Soil and Protein " , The Land , 1948 " Our Soils Our Food and Ourselves " , The Mennonite Community , 1948 " Declining Soil Fertility - Its National and International Implications " , 4th Annual Convention of National Agricultural Limestone Association , 1949 " Nutrition Via Soil Fertility According to the Climatic Pattern " , British Commonwealth Scientific Official Conference , 1949 " Plant and Animal Nutrition in Relation to Soil and Climatic Factors " , British Commonwealth Scientific Official Conference , 1949 " Nitrogen for Proteins and Protection Against Disease " , Chilean Nitrate Educational Bureau , Inc. , 1949 " Cows are Capable Soil Chemists " , Guernsey Breeders ' Journal , 1949 " Diseases as Deficiencies Via the Soil " , Iowa State College Veterinarian , 1950 " Too Much Nitrogen or Not Enough Else ?