Genotype X environment interaction and stability parameters for establishment in annual Medicago spp. Caddel, J. L. 1991. Improving the education offered international students. Alfalfa production handbook. Draft for Extension Circular.
Alfalfa stand establishment questions and answers.
Alfalfa harvest management discussions with cost-benefit analysis. Extension Circular E-943. Caddel, J.L. Contributing Author. Alfalfa production and pest management in Oklahoma. O.S.U. Forage Crops.