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<br />4. stilling wells, for potentiometers, were fabricated in the <br />field office, using 12" PVC pipe to keep cost down. <br /> <br />F. IRRIGATION WATER MANAGEMENT: <br /> <br />Irrigation Water Management is identified as a major salt <br /> <br />reduction component of the program. Several actions have been <br /> <br />taken, in an effort to support and increase our IWM guides. <br /> <br />1. Atmometers and soil probing will be used at all sites to <br />aid in field investigations of evapotranspiration and soil moisture <br />deficits. <br /> <br />2. FURROW & CORRUGATION IRRIGATION PROGRAM is used on a <br />before (present) situation and on an after (projected) situation to <br />estimate changes in deep percolation, runoff, and efficiency. <br />FURCAL program is not used due to the type of irrigation practices <br />used in the project area. <br /> <br />3. An Irrigation Water Management Information Sheet is to be <br /> <br />filled out on all contracts, showing present conditions. <br /> <br />4. FIRI Worksheets are being filled out on all existing and <br />new contracts showing the present rating. Each year, during the <br />status review, the FIRI Worksheet is being filled out to show the <br />new rating as improvements are being implemented. <br /> <br />00190,1 <br />