1. Abendroth L. J. Elmore R. W. Boyer M. J. &Marlay S. K.(2011).Corn growth and development(Iowa State University Publication No. PMR 1009). Ames IA: Iowa State University. Retrieved fromhttp://store.extension.iastate.edu/Product/Corn-Growth-and-Development
2. Aderonmu A. T.(2015).Assessing the impact of changing climate on agriculture in Missouri and the use of crop insurance as an adaptation strategy (1980–2010). (Doctoral dissertation). University of Missouri‐Kansas City Kansas City KS.
3. Cover crop impact on crop production and nutrient loss in a no‐till terrace topography;Adler R. L.;Journal of Soil and Water Conservation,2019
4. Ahmad N.(1991).Monitoring high water table effects on corn growth and water quality in growth chambers and field lysimeters. (Doctoral dissertation). Iowa State University Ames IA.
5. Effect of nitrogen fertilizer management and waterlogging on nitrous oxide emission from subtropical sugarcane soils