J. P. Mitchella

Impacts of gypsum and winter cover crops on soil physical properties and crop productivity when irrigated with saline water

J. P. Mitchella, C. Shennana, M. J. Singerb, 2000 .

A history of tillage in California ’ s Central Valley

J. P. Mitchella, K. Klonskyf, L. M. Carterb, 2015 .