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<br />"" <br />1'- <br />~ <br />o <br />:" <br /> <br />!"--, <br />-' <br /> <br />._~- -~'_._----~.~- <br /> <br />Colorado Water Conservation Board and the Agricultural Research <br /> <br />Service for use on their respective study projects, upon request. <br /> <br />For the 1973 season approximately 590 fields including 7,200 acres <br /> <br />are being scheduled. <br /> <br />A complete weather station was installed within the irrigated area <br /> <br />by personnel of the irrigation scheduling project. The station is <br /> <br />maintained and serviced by the Bureau of Reclamation. Rent is paid <br /> <br />to the participant for use of the land and also to make daily climatic <br /> <br />readings. <br /> <br />Soil moisture retention apparatus was purchased to accurately <br /> <br />determine soil water holding capacities. Throughout the non-irrigation <br /> <br />season representative soil samples were taken. These samples were <br /> <br />analyzed to determine water holding capacities and per cent salts. <br /> <br />A number of ground water wells have been installed ,and readings are <br /> <br />taken weekly. <br /> <br />A packet was given to each participant this year cOlltaining a number <br /> <br />of guide sheets. A computer printout key was furnished to help the <br /> <br />farmer better understand the computer printout and make better use <br /> <br />of it. A "feel" chart was included as a guide showing the relation- <br /> <br />ship between soil "feel" and percent depletion of available moisture. <br /> <br />Also included in the packet is an acreage table and chart for <br /> <br />estimating siphon tube discharge. <br /> <br />In order to furnish the program to as ~ny farmers as possible, each <br />