Soil nutrient-plant nutrient relationships at the Pawnee site - Dittberner, Phillip L., author; Natural Resource Ecology Laboratory, Colorado State University, publisher (Colorado State University. Libraries, 1971)
August, 1971.
On cover: Grassland Biome, Ecosystem analysis studies, U.S. International Biological Program.
Keywords: Plants Nutrition -- Colorado -- Pawnee National Grassland; Plant-soil relationships -- Colorado -- Pawnee National Grassland; Grassland ecology -- Colorado -- Pawnee National Grassland