RT Journal Article SR Electronic T1 Crop residue is a key for sustaining maximum food production and for conservation of our biosphere JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 111A OP 116A DO 10.2489/jswc.65.5.111A VO 65 IS 5 A1 Jorge A. Delgado YR 2010 UL http://www.jswconline.org/content/65/5/111A.abstract AB