Douglas L Karlen Editor

Dr Douglas L. Karlen, USDA, Agricultural Research Service, National Laboratory for Agriculture and the Environment
Dr Karlen is an experienced research scientist in the Soil, Water, and Air Resources Research Unit at the USDA, Agricultural Research Service. His soil and crop management research program uses a systems approach involving research scientists and engineers, producers, action agencies, non-government organizations, agribusiness, and other state and federal partners to quantify physical, chemical, and biological effects of conventional and organic farming practices. His current focus is on sustaining or improving soil quality while striving to produce sustainable feedstock supplies for lignocellulosic biofuel production.