TY - BOOK AU - Kumar,P. TI - Economics of water management: a study of field channels AV - HD1741.I3 K8 1977 PY - 1977/// CY - New Delhi PB - Heritage Publishers KW - Irrigation farming KW - Economic aspects KW - Irrigation canals and flumes N1 - A revision of the author's thesis, Indian Agricultural Research Institute; Includes index ER -