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Virginia Jin - USDA ARS Research Soil Scientist

Aerial view of field

October 25, 2021

More Diverse Crop Rotations Improve Yield, Yield Stability and Soil Health

By Susan E. Wagner - USDA ARS Biological Science Lab Technician, Virginia Jin - USDA ARS Research Soil Scientist, Marty Schmer - USDA Research Agronomist

Figure 1. A view of all four treatments of a corn residue and cover crop experiment at the South Central Agricultural Laboratory near Clay Center. Top left is cereal rye with 60% corn residue removal; top right is cereal with corn residue. Bottom left is no cereal rye with 60% corn residue removal; bottom right is corn residue and no cover crop (control).

August 13, 2018

Cover Crop and Crop Residue Management: How Does it Affect Soil Water in the Short and Long Term?

By Michael Sindelar - Former Cropping Systems Extension Educator, Humberto Blanco - Professor of Soil Science, Virginia Jin - USDA ARS Research Soil Scientist, Richard Ferguson - Extension Soil Fertility Specialist

CO2 sensor in rye cover crop

February 26, 2018

Cover Crop and CO2 Emissions

By Sabrina Ruis - Post-Doctoral Associate, Humberto Blanco - Professor of Soil Science, Charles Wortmann - Emeritus Extension Soil and Nutrient Management Specialist, Virginia Jin - USDA ARS Research Soil Scientist, Tyler Williams - Former Cropping Systems Extension Educator

Taking CO2 measurements in plots where residue has been baled

February 26, 2018

Corn Residue Removal and CO2 Emissions

By Manbir Rakkar - Doctoral Student, Humberto Blanco - Professor of Soil Science, Charles Wortmann - Emeritus Extension Soil and Nutrient Management Specialist, Tyler Williams - Former Cropping Systems Extension Educator, Virginia Jin - USDA ARS Research Soil Scientist