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<br />aC1"es. In FY ID75 some 'ailreement~ will be mado \dth tho irrir.otion
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<br />entitios to furnish fie),l l'etson1\<ll. With the wo schotiulinr. metJ:ods
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<br />:l1\d irrication cO'"l'any i:jvolvoment it is hoped that 30,000 acres con
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<br />Costs
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<br />Tho aVCl"ago cost of scheduling irrigations in tho Grand Valley
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<br />durinr; 1973 Has $l per acre per month during the irrication season.
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<br />llecause of the technical 'requirements needed to start such a pro-
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<br />r.ra~ in the Grand Valley, hir,hly qualified personnel have been
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<br />required. Considerable .technica 1 and analytical \oIork is done during
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<br />the nonirrir,ation season:. This \'.'or\< is needed to both establish the
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<br />program and evaluate its' success.
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<br />Tho "rield-by-Field" method ilives exact crop status for each field
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<br />scheduled but is title C.:>llWtling and expensive. Once the program is
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<br />well established in the Grand. Valley the number of field visits
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<br />required for this method can be reduced.
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<br />Tho "Irriga.tion Guide" method requires fewer field contacts but
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<br />gives the participant on.ll general crop information. With this
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<br />tlcthod and the "i'icld-by-r=icld" method next season, the cost per
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<br />acre can be reduced.
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<br />III-29
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