Patterns of Hydrolysable Amino Acids in Soils of North-South and West-East Transects of Continental United States.
Li Ma, Virginia Tech, Blacksburg, VA, Kang Xia, School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, US, Mark A Williams, School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA and David B. Smith, U.S. Geological Survey, Denver Federal Center, Denver, CO