TY - BOOK AU - Gliessman,Stephen R. AU - Engles,Eric TI - Field and laboratory investigations in agroecology SN - 1566704456 U1 - 577.55 22 PY - 2000/// CY - Boca Raton, Fla. PB - Lewis Publishers KW - Agricultural ecology KW - Fieldwork KW - Laboratory manuals N1 - Includes bibliographical references UR - http://www.loc.gov/catdir/enhancements/fy0646/99058376-d.html ER -