00480nam a22001937a 4500003000400000020001800004082001600022100001600038245005000054250002000104260003500124300001500159650001400174650001500188650001300203650003200216650002500248700001300273OSt  a9788183601849  a630bMIC/PR  aMichael A M  aPrinciples of agricultural engineering vol II  a4th revised ed.  aNew DelhibJain brothersc2014  a1124 Pages  aSurveying  aIrrigation  aDrainage  aSoil and water conservation  aWatershed management  aOjha T P