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<br />N <br />~~ <br />...... <br />o <br /> <br />The Soil Conservation Service is designing' and assisting farmers to install <br />irrigation systems to reduce irrigation return flow. As of September 1984, <br />318 contracts have been developed for assistance on 44,275 acres. Surface <br />irrigation systems are currently being, planned for 31 cooperators on 2,990 <br />acres and 63 applicants are awaiting assistance on 5,951 acres, and treatment <br />shoul" reach 53,216 acres of "the ,total 65,000 acres in the project. Sillce,: <br />'implementation of the Colorado River salinity program began in 1975, the ' <br />irrigation return flows have been reduced about half or,approximately 100,000 <br />acre-feet. ' <br /> <br />, Level basin systems are being installed and irrigated through jack gates with <br />an irrigation head of 15 to 20 cfs to each basin. For proper irrigation <br />management the water turned out to each basin is accurately measured and the <br />time se.t, to within 5 minutes to replenish the soil lBOisture. The Irrigation <br />!lanagement Services (IHS) program provided through the Wellt-on-Mohawk <br />Irrigation and Drainagebistrict. provides information on soil moisture on <br />, , 40,000 acres using neutron probe measurements. <br /> <br />The cumulative accomplishments by the'SCS onfarm program to achieve a <br />reduction in return flow, on the We~lton-Kohawk Districts are presented in, <br />,Table V-I. <br /> <br />, Table V-I. <br /> <br />USDA Onfarm'Accomplishments <br />Wellton-Kohawk Irrigation and Drainage District <br /> <br />1975 to Sept. 1984 <br />CUmulative, <br /> <br />FY 1984 <br /> <br />'AccompliShment Item <br /> <br />Acres under application' ' <br />IlullIberof < Plans <br />Area Planned (acres) <br />DitCh Lining (Kiles) <br />LaSer Leveling (acres) <br />. , Water Control. Structures (No .) <br /> <br />53,200 <br />318 <br />44,275 <br />214 <br />37,081 <br />9,248 <br /> <br />53,200 <br />59 <br />'8,105, <br />27 <br />4,623 <br />678 <br /> <br />-13- <br />