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<br />.'j" <br />: ,} <br />..f) WORK ITEMS FOR DEVELOPMENT OF MANDAYS FOR EACH SITE <br />.,....I <br /> <br />'.... <br /> <br />A. Site selection and resource inventory. This item is the same for all <br />irrigation systems. <br /> <br />:..:_::' <br /> <br />(1) Pick the units to be evaluated. <br />(a) Willing cooperators. <br />(b) All planned practices installed. <br />(c) Irrigation systems typical of those being installed. <br />(d) Soils typical of those in the project. <br />(e) Size of evaluation unit typical of those in the project. <br />(f) Crops are typical of those in the project. <br />(2) Contact farmer. <br />(a) Willing to cooperate. <br />(b) What crops are planned for this unit. <br />(c) First irrigation date. <br />(d) Farmers propose irrigation schedule during the season. <br />(e) Other useful information. <br />(3) Gather basic data. <br />(a) Estimated irrigation head to work with. <br />(b) Sketch of irrigated area. <br />a. Location in relation to roads, etc. <br />b. Length(s) of run. <br />c. Slope(s). <br />(4) Soils -informa tion - Checked by a soil scientis t. <br />(a) Profile description. <br />(b) Water holding capacity of soils by foot increments <br />to 6 foot depth. <br />(c) Estimated furrow and/or cylinder intake values <br />and maximum sprinkler application rate. <br />(d) Cropping history for 3 years. <br />(5) Crops to be grown. <br />(a) Planting date. <br />(b) Harvesting date. <br />(c) Rooting depth by stages of growth considering management. <br />(6) Furrows. <br />(a) Spacing. <br />(b) Size. <br />(c) Slope. <br />(7 ) Borders. <br />(a) width. <br />(b) Slope. <br />(8) Sprinklers - Types and sizes of equipment. <br />(9) Irrigation system type and installed equipment. <br />(10) Any special problems. <br />(a) High salt soils. <br />(b) High water table. <br />(c) Variable slopes. <br />(d) Shallow soils. <br /> <br />50 <br /> <br />! i <br />