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<br />TABLE. 18 - Seasonal Irrigation '''.liter Budget
<br />After Del ivery to the Farms .!!
<br />
<br />Program Alternatives Y
<br />
<br /> ~ ~ 2A ~ JA l.!. 4A 4,
<br />Farm Delivery (.lie. ft. ) 374,200 434,400 243,7M 379,700 240,700 369.700 307,000 187,000
<br />Seepage from on-farm di tches
<br /> (ac. h. ) 18,100 ) ,~OO 1,]00 ',700 1,700 1,700 6,000 6,000
<br />Del ivered to fields (ac. ft.) 356,000 431,000 242,000 J78,'90 239,000 368,000 )01,000 381,000
<br /> (.lie. ft./ae.) 5.9 7.2 4.9 6.3 4.0 6.1 5.0 6,4
<br />Crop Use (.lie. ft.1 92,000 131,000 138,000 138,000 138,000 138,000 128,000 127,000
<br /> Cae. ft./ac.) 1.6 2.2 2.J 2.3 2.3 2.3 2.1 2.1
<br />Deep Percolation Cae. ft.) 25,000 , 1,000 18,000 10,000 18,000 11,000 17,OGO 13,000
<br />Field Runoff (.lie. ft.) 237 ,000 289,000 86,000 230,1)1)0 ,83,000 219,000 156,000 241 ,'JOO
<br />Tail",ater Ditch Seepage 12,000 13,700 7,400 12,1100 7,400 Il,bUU 9,BOO 12,800
<br />Autl4Uacy uf Irrigation
<br />(percent) 6B 95 100 100 100 100 93 92
<br />On-farm Irrigation
<br />Efficiency (percent) 25 3D 57 36 57 37 " JJ
<br />J..I Based on 60,000 irrig~ted acres,
<br />y Programs designateo by the letter A represent conditions
<br /> for maximum efficiency.
<br /> Those designated by the letter B represent conditions
<br /> for minimum deep percolation.
<br />
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