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<br />B. BACltGJlOUIID AJID PO'1'DI'1'IAL BlnCTS AJID IJIPACTS Foa Py 1"1 <br /> <br />Testing of the new data collection worksheet did not encoapass all <br />FY 1991 plans in some cases. Data collection for FY 1991 did not <br />include follow-up data due to the necessary lag Detween planning <br />and implementation. Follow-up years can De scheduled using <br />rotation data collected during the planning process. Collection of <br />detailed data on monitored sites was not completed due to the time <br />required for the development and testing of the data collection <br />process. <br /> <br />The partial McElmo data Dase includes three operating farms <br />averaging over 52 acres in size. A total of 364 acres includes <br />operating hayand livestock farms and two wildlife farms. These are <br />part time farms. Contracted acres total 234 with 41 acres <br />irrigated. Twelve Deef and 30 sheep on one farm are the only stock <br />reported thus far in the McElmo data Dase. Major crops are hay, <br />alfalfa, and wildlife. <br /> <br />A summary of Denchmark and treatment effects for plans included in <br />the initial test of economic M&E data collection is presented <br />below. <br /> <br />Table 1 <br /> <br />BEW~'W AND TREATKEHT BFFBCTS 01' SALINITY CONTROL PRACTICBS <br /> <br />Groug deliverY systems <br /> <br />Benchmark <br /> <br />Treatment <br /> <br />System type <br />System lenqth <br />Seepage <br />Salt savings <br />Labor <br /> <br />unlined ditch <br />47,786 ft <br />3,994 in/yr <br /> <br />244 hrs <br /> <br />underground pipe <br />31,424 ft <br />appro 0 <br />169 T/yr <br />90+ % reduction <br /> <br />'arm deliverY svstems <br /> <br />Ben(.'!ltlll-rk <br /> <br />Treatment <br /> <br />System type <br />System lenqth <br />Seepage <br />Salt savings <br />LaDor <br /> <br />unlined ditch <br />10,399 ft <br />656 in/yr <br /> <br />162 hr <br /> <br />underground pipe <br />5,865 ft <br />appro 0 <br />266 T/yr <br />80+ % reduction <br /> <br />pield agglication systems <br /> <br />System type <br /> <br />Bencbmarlc <br />unlined ditch <br /> <br />Treatment <br /> <br />Irrigations <br />Water applied <br />Runoff <br />Efficiency <br />Deep percolation <br />Salt savings <br /> <br />incomplete <br />incomplete <br />incomplete <br />incomplete <br />incomplete. <br /> <br />Duried & gated <br />pipe <br />incomplete <- <br />incomplete 0;'", j <br />incomplet,,-::,"> ~. <br />incomplete.' - <br />incomplete <br />23 T/yr. <br />