Image Number K10091-1

Soil scientist John Kovar plants corn seedlings into a silt loam soil amended with turkey litter. Kovar and soil scientist Thomas Sauer will compare the effectiveness of the litter and commercial fertilizer as phosphorus sources for corn and evaluate depletion of available soil phosphorus under intensive cropping.

Photo by Peggy Greb.

640 pixels wide: (k10091-1.jpg)