TY - GEN AU - Sharma, Premjit. TI - Agricultural drainage and water quality SN - 818972926 (Hb : Bp) AV - TC812 .A37 2007 CIRC PY - 2007/// CY - New Delhi PB - Gene-Tech Books KW - Irrigation -- Management KW - Drainage -- Management KW - Water quality management N1 - Includes bibliographical references and index ER -