K. M. Tilt Tilt, K. M., Bilderback, T. E., & Fonteno, W. C. (1987). Particle size and container size effects on growth of three ornamental species. Journal of the American Society for Horticultural Science, 112(6), 981. Tilt, K. M., & Bilderback, T. E. (1987). Physical properties of propagation media and their effects on rooting of three woody ornamentals. HortScience, 22(2), 245.