Serbin,G.,Hunt,E.R.,Daughtry,C.S.T.,McCarty,G.,&Doraiswamy,P.(2009).An improved ASTER index for remote sensing of crop residue.Remote Sensing,1, 971–991.
Sudheer,K.P.,Gowda,P.,Chaubey,I.,&Howell,T.(2010).Arti?cial neural network approach for mapping contrasting tillage practices.Remote Sensing,2,579–590.
Sullivan,D.G.,Shaw,J.N.,Price,A.,&van Santen,E.(2007).Spectral re?ectance properties of winter cover crops in the Southeastern Coastal Plain.Agronomy Journal,99, 1587–1596.
Sullivan,D.G.,Strickland,T.C.,&Masters,M.H.(2008).Satellite mapping of conserva-tion tillage adoption in the Little River experimental watershed,Georgia.Journal of Soil and Water Conservation,63,112–119.
Sullivan,D.G.,Truman,C.C.,Schomberg,H.H.,Endale,D.M.,&Strickland,T.C.(2006).
Evaluating techniques for determining tillage regime in the Southeastern Coastal Plain and Piedmont.Agronomy Journal,98,1236–1246.
Thoma,D.P.,Gupta,S.C.,&Bauer,M.E.(2004).Evaluation of optical remote sensing models for crop residue cover assessment.Journal of Soil and Water Conservation, 59,224–233.
USDA-NRCS(2001).A resources conservation act report.Interim appraisal and analysis of conservation alternatives.
USDA-NRCS(2007).2007National resources inventory.Soil erosion on cropland Retrieved April10,2011,from.58bd8d2b482fb4daa58d4bea/technical/NRI/2007/nri07erosion.
html.
van Deventer,A.P.,Ward,A.D.,Gowda,P.H.,&Lyon,J.G.(1997).Using Thematic Mapper data to identify contrasting soil plains and tillage practices.Photogrammetric Engineering and Remote Sensing,63,87–93.
Watts,J.D.,Lawrence,R.L.,Miller,P.R.,&Montagne,C.(2009).Monitoring of cropland practices for carbon sequestration purposes in north central Montana by Landsat remote sensing.Remote Sensing of Environment,113,1843–1852.
Watts,J.D.,Powell,S.L.,Lawrence,R.L.,&Hilker,T.(2011).Improved classi?cation of conservation tillage adoption using high temporal and synthetic satellite imagery.
Remote Sensing of Environment,115,66–75.
183
B.Zheng et al./Remote Sensing of Environment117(2012)177–183
