RT Journal Article SR Electronic T1 Saving global land resources by enhancing eco-efficiency of agroecosystems JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 100A OP 106A DO 10.2489/jswc.73.4.100A VO 73 IS 4 A1 Rattan Lal YR 2018 UL http://www.jswconline.org/content/73/4/100A.abstract AB