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<br />t'U"'i ,)0
<br />J ll.L (.'.1 .3
<br />
<br />. Table 6.
<br /> Farm Irrigation System Efficiencies, Eis
<br /> Related to Slope, Irrigation Requirement and Intake Ra teV
<br /> S Du Intake Family, I
<br /> Slope Req't 0.3 0,5 1.0 1.5 2,0 3.0 4.0
<br /> (ft./ft,) (in. )
<br /> o to 0.01 0 to 1.5 .45 .50 .55 .55 .55 ,55 ,55
<br /> >1. 5 to 2.5 ,45 .50 .55 .55 .55 ,60 .60
<br /> >2.5 to 3,5 .40 ,55 .60 ,60 .60 ,60 ,60
<br /> >3,5 to 4.5 .30 ,55 .60 .60 ,60 .60 .60
<br /> >4,5 to 5.5 ,30 .55 .60 ,60 .60 ,30 .30
<br /> >0,01 to 0.03 0 to 1.5 .30 .30 .45 .50 .50 .50 .30
<br /> >1.5 to 2.5 .30 .30 .45 ,50 .50 .55 .50
<br /> >2.5 to 3.5 .30 ,30 .45 .55 ,55 .55 .50
<br /> >3.5 to 4.5 ,30 .30 ,40 ,55 .55 .55 .50
<br /> >4,5 to 5.5 .30 .30 .30 .55 .55 .30 .30
<br /> >0.03 to 0.05 0 to 1. 5 ,30 .30 .45 ,50 ,50 ,50 .30
<br />. >1.5 to 2,5 ,30 ,30 .45 .50 .50 .55 .50
<br /> >2.5 to 3.5 ,30 ,30 .45 ,55 .55 .55 .50
<br /> >3,5 to 4,5 ,30 .30 .40 .55 ,55 .55 .50
<br /> >4.5 to 5.5 ,30 .30 ,30 .55 .55 .30 ,50
<br /> >0.05 0 to 1. 5 .30 ,30 ,30 .40 .30 ,30 .30
<br /> >1.5 to 2.5 ,30 ,30 .30 .40 .45 ,30 .30
<br /> >2.5 to 3,5 .30 ,30 ,30 ,45 .45 .30 I' 30
<br /> >3.5 to 4,5 .30 .30 .30 .40 .45 .30 .30
<br /> >4.5 to 5.5 .30 .30 ,30 .30 .30 .30 .30
<br /> 1/ (1974) , by reducing each efficiency value by 0.10
<br /> - Adapted from USDA
<br /> and fill ing b Ian k spaces with 0.30.
<br />
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<br />
<br />-31-
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