000			01431cam a2200301 a 4500
001			16893461
005			20210614102204.0
008			110728s2011 enka b 001 0 eng
010			_a 2011414671
020			_a9781845938741 (pbk.)
020			_a9781845932633 (hb.)
040			_aDLC _cDLC _dDLC
042			_apcc
050	0	0	_aTC812 _bLAY 2011
082	0	0	_a627/.52 _223
100	1		_aLaycock, Adrian.
245	1	0	_aIrrigation systems : _bdesign, planning, and construction / _cAdrian Laycock.
250			_a1st pbk. ed.
260			_aWallingford, Oxfordshire, OX ; _aCambridge, MA : _bCABI, _c2011.
300			_a285 p. : _bill. ; _c30 cm.
504			_aIncludes bibliographical references and index.
505	0		_aEvolution and a prelude to change -- Elements of irrigation -- Water management -- Canal operation & automation -- Irrigation water demands -- Canal architecture -- Canal control structures -- Low-pressure pipelines -- Canal lining -- Canal hydraulic design -- Troubleshooting: feedback from the field -- Costs and economics.
650		0	_aIrrigation projects _xPlanning.
650		0	_aIrrigation projects _xDesign and construction.
906			_a7 _bcbc _corigcop _d2 _encip _f20 _gy-gencatlg
942			_2lcc _cBK
999			_c22016 _d22016