http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Effect of subsoiling and deep fertilization on the growth, root distribution and yield of cotton
4 unnumbered pages : illustrations ; 28 cm.
C.A. Burleson, M.E. Bloodworth and J.W. Biggar.
Progress report (Texas Agricultural Experiment Station) ; 1992