site selection of watershed intervetntion worksite selection
DESCRIPTION
Tutorial for selection of sites for watershed developmental worksTRANSCRIPT
Sheet1drought shenben pondsmall drain- 1stsoil depth is relatively longnon arrableFarm pondlowest point of farm mininmum catchment < 5 hasoil- clay or silt claykhadinslope - 1 to 3 %area- 2 to 10 hasoil- not in sand soillowest point of farm arable/ non arablestaggred trenchesslope > 5%hilly areatrenches - 1.5 * 1.5non-arablecontour furrowslope < 5%Non Arable LandSub surface barriersupto 4th ordersandy soilno of wells (minimun - 2 down stream)Easthan bands1st - 2nd orderslope upto 3%more submergednon arable Landsoil depth should be availableCVIT/CBArrable landslope 1 to 6 %soil - sandy loam,loamy sand, clay, unirrigated areaLSCDhilly area1st - 2nd orderslope 1 to 6%3rd order, height 0.6 to 0.9 mgasoil - siltvelocity is high2nd and 3rd order draingully plugnon arable Land/ arable laand1st orderslope 1- to 3 %anicut 3rd orderoutlet of watershedground water wells/ down stream