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Résumé :
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We made this study to determine in what ways variations in, first, quantities of irrigation water, and, second, water costs affect farm decisions and profits under conditions existing in the eastern San Joaquin Valley. This analysis also measures these effects as accurately as possible, according to price and other relationships during the period 1956 through 1960. It centers on a 640-acre farm model with 602 acres suitable for irrigation. Equipment lines, labor force, and farming practices are typical of the general crop farms in the San Joaquin Valley Eastside. We examined irrigation water problems under three cropping systems for this overall model : (A) including all usual alternative crops ; (B) excluding cantaloups, and (C) excluding both cantaloups and sugar beets.
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