TY - BOOK AU - Gliessman Stephen R TI - Field and laboratory investigations in agroecology SN - 0849328462 (pbk) U1 - J:95, P7;1 TI PY - 2007/// CY - Boca Raton PB - CRC Pres KW - Agricultural ecology-laboratory manuals N1 - Includes bibliographical references.; Appendix 283-302p ER -