TY - BOOK AU - Laycock, Adrian. TI - Irrigation systems: design, planning and construction SN - 9781845932633 (hbk. : alk. paper) U1 - 333.91/3 22 PY - 2007/// CY - Wallingford, UK, Cambridge, MA PB - CABI KW - Irrigation projects KW - Planning KW - Design and construction N1 - Includes bibliographical references and index; Evolution and a prelude to change -- Elements of irrigation -- Water management -- Canal operation & automation -- Irrigation water demands -- Canal architecture -- Canal control structures -- Low-pressure pipe lines -- Canal lining -- Canal hydraulic design -- Troubleshooting : fe edback from the field -- Costs and economics UR - http://www.loc.gov/catdir/toc/ecip079/2007 001592.html ER -