TY - BOOK AU - Barker,Allen V. TI - Science and technology of organic farming SN - 9781439816127 (hbk.) PY - 2010/// CY - Boca Raton, FL PB - CRC Press KW - Organic farming KW - Agricultural innovations KW - Agricultural chemistry N1 - Includes bibliographical references (p. 213-214) and index ER -