RT Journal Article SR Electronic T1 Recent advances in precision (target) conservation JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 167A OP 170A DO 10.2489/jswc.66.6.167A VO 66 IS 6 A1 Delgado, Jorge A. A1 Khosla, Raj A1 Mueller, Tom YR 2011 UL http://www.jswconline.org/content/66/6/167A.abstract AB