Fall Fertilization of Cover Crops Did Not Increase Biomass Production when Residual Soil Nitrate Was High

Amy Shober, Professor and Extension Specialist, Nutrient Management and Environmental Quality, ashober@udel.edu; Jarrod Miller, Assistant Professor and Extension Specialist, Agronomy, jarrod@udel.edu In fall 2014, we drilled 13 cover crops (6 mixes) into small plots at four cooperator field sites in… Continue Reading

University of Delaware Scientists Participate in a National Effort to Improve Fertilizer Recommendations

Amy Shober, Professor and Extension Specialist, Nutrient Management and Environmental Quality, ashober@udel.edu; Jarrod Miller, Assistant Professor and Extension Specialist, Agronomy, jarrod@udel.edu It has been decades since soil test correlation and calibration research was a priority in the United States, but… Continue Reading