What people are saying - Write a review
We haven't found any reviews in the usual places.
SURFACE IRRIGATION SYSTEMS
Typical irrigation system components
Typical irrigated basins
67 other sections not shown
advance and recession advance phase advance trajectory application efficiency basin irrigation borders and basins bulk density calculations centroid coefficient complete the advance Compute configuration crop cumulative infiltration cutback design cutback system cutoff cutthroat flume depletion depth design procedure determined discharge dyked elevation Equation estimate evapotranspiration example field capacity field inlet field layout field length field slope flow geometry flow measuring flow rates furrow inflow furrow irrigation furrow systems furrows and borders grid point head ditch hydraulic hydrograph infiltration function infiltration rates land levelling later irrigations loam method metres minutes neutron probe number of furrows number of sets operation parameters percent perimeter permanent wilting point plotted pond problem required intake opportunity reservoir root zone rreq shown in Figure soil moisture spiles surface irrigation systems surface runoff surge flow tailwater typical uniformity unit width Walker and Skogerboe water supply weir wetted perimeter wetting Zreq