Learning By Design: A Performance Task Activity for a Soil Fertility Course.
Martha Mamo, 279 Plant Science, University of Nebraska-Lincoln, Lincoln, NE, Meghan E. Sindelar, Department of Agronomy and Horticulture, Univ. of Nebraska-Lincoln, Lincoln, NE and Mark Keck, Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE