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<br />determining and quantifying chemical and mineralogical <br />properties of carbonates and evaporites in salty soils, geo- <br /> <br />o <br />i.l.:>. <br />m <br />00 <br /> <br />logical formations and water. <br /> <br />In FY 1982 the participating <br /> <br />state experiment stations spent over $294,000 on the project <br />of which $57,000 were federal funds and $236,500 were state <br />funds. <br /> <br />Monitoring and Evaluation - Field monitoring activities <br /> <br />through Colorado State University and ARS indicated that <br /> <br /> <br />additional research and field data are needed to further <br /> <br />improve furrow irrigation system design procedures and <br /> <br />criteria. <br /> <br />I'Jany variables such as soils, crops, type of <br /> <br />systems, and quality of water management influence the design <br /> <br />and effectiveness of irrigation systems. <br /> <br />Additional <br /> <br />monitoring and evaluation data is needed to further define <br /> <br />the impacts on reducing deep percolation and ultlmate salt <br /> <br />load reduction. With additional data, the cost-effectiveness <br /> <br />of various practices can be better assessed. A major conclu- <br /> <br />sion is that mor'e extensive funding and staffing are needed <br />, <br /> <br />to provide support for the very important onfarm water <br /> <br />management and scheduling needs. <br /> <br />USDA has initiated a ,Dore compr'ehensive on farm <br /> <br />monitoring and evaluation program in both the Uinta Basin and <br /> <br />Grand Valley. Specialized monitoring equipment has been <br /> <br />purchased and installed to measure climatic conditions (pre- <br /> <br />cipitation, wind direction and velocity, etc.) for use in <br /> <br />determining evapotranspiration rates and for measuring field <br /> <br />irrigation inflows and outflows. These data will be used to <br /> <br />-23- <br /> <br />] <br />:t <br />