Authors: Duffera, M Robarge, WP Mikkelsen, RL

Citation: M. Duffera et al., Estimating the availability of nutrients from processed swine lagoon solids through incubation studies, BIORES TECH, 70(3), 1999, pp. 261-268

Authors: Duffera, M Robarge, WP

Citation: M. Duffera et Wp. Robarge, Soil characteristics and management effects on phosphorus sorption by highland plateau soils of Ethiopia, SOIL SCI SO, 63(5), 1999, pp. 1455-1462

Authors: Duffera, M Robarge, WP Mikkelsen, RL

Citation: M. Duffera et al., Greenhouse evaluation of processed swine lagoon solids as a fertilizer source, J PLANT NUT, 22(11), 1999, pp. 1701-1715