RT Journal Article SR Electronic T1 Conservation considerations for sustainable bioenergy feedstock production: If, what, where, and how much? JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 88A OP 91A DO 10.2489/jswc.65.4.88A VO 65 IS 4 A1 Jane M.F. Johnson A1 Douglas L. Karlen A1 Susan S. Andrews YR 2010 UL http://www.jswconline.org/content/65/4/88A.abstract AB