Biological and Agricultural Engineering - 1981 Crane, S. R., Westerman, P. W., & Overcash, M. R. (1981). Short-term chemical transformations following land application of poultry manure. Transactions of the ASAE, 24(2), 382. Westerman, P. W., & Overcash, M. R. (1981). Short-term attenuation of runoff pollution potential for land-applied swine and poultry manure. In Livestock waste, a renewable resource : proceedings / 4th International Symposium on Livestock Wastes, 1980, April 15-17, 1980, Amarillo Civic Center, Amarillo, Texas (p. 289). St. Joseph, Mich.: American Society of Agricultural Engineers. Humphries, E. G. (1981). Cucumber mechanization: Crown fruit removal. Transactions of the ASAE, 24(4), 833. https://doi.org/10.13031/2013.34347 Bowen, H. D. (1981). Alleviating mechanical impedance. In H. M. T. G. F. Arkin (Ed.), Modifying the root environment to reduce crop stress (p. 21). American Society of Agricultural Engineers. Skaggs, R. W., Fausey, N. R., & Nolte, B. H. (1981). Water management model evaluation for North Central Ohio. Transactions of the ASAE, 24(4), 922. https://doi.org/10.13031/2013.34365 Skaggs, R. W., & Gilliam, J. W. (1981). Effect of drainage system design and operation on nitrate transport. Transactions of the ASAE, 24(4), 929. https://doi.org/10.13031/2013.34366