Douglas L. Karlen
- Evaluation of β‐Glucosidase Activity as a Soil Quality Indicator for the Soil Management Assessment Framework
2010/01/01 by D. E. Stott, S. S. Andrews, Susan S. Andrews +6 · 9 citations
Agricultural and Biological Sciences · Materials Science · #Soil Carbon and Nitrogen Dynamics #Clay minerals and soil interactions #Cassava research and cyanide
- Conservation Reserve Program effects on soil quality indicators
1999/01/01 by D. L. Karlen, Douglas L. Karlen, M. J. Rosek +12 · 1 citation
Agricultural and Biological Sciences · Environmental Science · #Agriculture, Soil, Plant Science #Soil Carbon and Nitrogen Dynamics #Soil and Water Nutrient Dynamics
- Reanalysis Validates Soil Health Indicator Sensitivity and Correlation with Long‐term Crop Yields
2019/05/01 by Harold M. van Es, Douglas L. Karlen · 1 citation
Agricultural and Biological Sciences · Environmental Science · #Soil Carbon and Nitrogen Dynamics #Soil and Water Nutrient Dynamics #Soil Geostatistics and Mapping
- Field‐Scale Variability of Soil Properties in Central Iowa Soils
1994/09/01 by Cynthia A. Cambardella, T. B. Moorman, J. M. Novak +4 · 1 citation
Environmental Science · Agricultural and Biological Sciences · Mathematics · #Soil and Water Nutrient Dynamics #Soil Geostatistics and Mapping #Soil Carbon and Nitrogen Dynamics #Spatial variability #Semivariance #Spatial distribution #Environmental science #Soil science #Spatial ecology #Soil water #Watershed #Spatial dependence #Geostatistics #Biomass (ecology) #Hydrology (agriculture) #Geology #Ecology #Mathematics #Statistics