<br />c:)
<br />C)
<br />I\.:l Table
<br />r.:n
<br />~ 2-36
<br />~
<br /> 2-37
<br /> 2-36
<br /> 2-39
<br /> 2-40
<br /> 2-41
<br /> 2-42
<br /> 2-43
<br /> 2-44
<br /> 2.45
<br /> 2-46
<br /> 2-47
<br /> 2-48
<br /> 2.49
<br /> 2-50
<br /> 2-51
<br /> 2-52
<br /> 2-58
<br /> 2-54
<br /> 2-55
<br /> 2-56
<br /> 2-57
<br /> 2.58
<br /> 2-59
<br /> 2-60
<br /> 2-61
<br /> 2.62
<br /> 3-1
<br /> 3-2
<br /> 3-3
<br /> 3-4
<br /> 3-5
<br /> 3-6
<br /> 3-7
<br /> 3-8
<br /> 3-9
<br /> 3-10
<br /> 3-11
<br />
<br />LIST OF TABLES (CONTINUED
<br />
<br />Page
<br />
<br />Projected yields of cantaloupe in Palo Verde Valley with four levels of surface irrigation
<br />intensity and sprinkler irrigation on two soil drainage classes. . . . . . . . . .. , . . . . . . . . . . . . . . . . . . . . . . . . .102
<br />Projected yields of watermelon in Palo Verde Valley with four levels of surfaee irrigation
<br />intensity and sprinkler irrigation on two soil drainage classes ......................,.,...,.,..... .103
<br />Projected yields of cotton in Palo Verde Valley with four levels of surface irrigation
<br />intensity and sprinkler irrigation on four soil drainage elasses . . . . . . . . . . . . . . . . . . . . . . , . , . . . . . . . . , . . .103
<br />Projected yields of grapefruit in Palo Verde Valley with four levels of surface irrigation '
<br />intensity and sprinkler irrigation on two soil drainage classes ....................,............... .103
<br />Projected yields of lettuce in Palo Verde Valley with four levels of surface irrigation
<br />intensity and sprinkler irrigation on three soil drainage classes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
<br />Projected yields of lemon in Palo Verde Valley with four levels of surfaee irrigation
<br />intensity and sprinkler irrigation on two soil drainage elasses ,.,...........,...................,. .104
<br />Projected yields of onions in Palo Verde Valley with four levels of surfaee irrigation
<br />intensity and sprinkler irrigation on two soil drainage classes ............... . . . . . . . . . . . . . . . . . . . . . .104
<br />Projeeted yields of sorghum in Palo Verde Valley with four levels of surface irrigation
<br />intensity and sprinkler irrigation on four soil drainage classes . . . . . . . , . . . . . . . . . , . . . . . . . . . . . . . , .. . . .105
<br />Projected yields of wheat in Palo Verde Valley with four levels of surface irrigation
<br />intensity and sprinkler irrigation on four soil drainage elasses ,.,...'.,...........,....,........,. .105
<br />Water eost to grower in dollars per aere foot ,......,......,...,.......,....,.,..,......,....... ,106
<br />Yields of crops in the San Diego County Water Authority service ar ea...,.,...."................. .107
<br />Partition of crop aereage on different soil drainage elasses, San Diego County. . . . . . . . . . . . . . . . . . . . , . .108
<br />Effective values of soil saturation extract eonductivities in three drainage classes, three
<br />management systems, and six TDS contents of water. . . . . , . . . . . , . , . , . . . . . . . . . . . . . . . . . . . . . , . . . . . .108
<br />Projected yield of San Diego avoeados using furrow. sprinkler. or trickier irrigation at
<br />six different TDS levels and two drainage classes. . . . , . . , . , . . . , . , . . . . . . , . , . . . . . , . , . , , . . . . . . . , . . . .109
<br />Projeeted yield of San Diego grapefruit using furrow, sprinkler, or trickier irrigation
<br />at six differentTDS levels and three drainage classes .,.,.,.".......,.........,................ .109
<br />Projected yield of San Diego lemons using furrow, sprinkler, or trickier irrigation at
<br />six different TDS levels and three drainage elasses ......,.,.............,..,......,............ .110
<br />Projected yield of San Diego limes using furrow, sprinkler, or triekler irrigation at six
<br />differentTDS levels and three drainage classes ..,...,.,...".,...,...,...,.,......,........... ,110
<br />Projected yield of San Diego naval oranges using furrow, sprinkler, or trickier irrigation
<br />at six different TDS levels and three drainage classes, . . . . , . . . , . . , . , . . . , . . . . , . . , . , . . . . , . , . . . . , . , .110
<br />Projected yield of San Diego valencia oranges using furrow, sprinkler, or trickier
<br />irrigation at six different TDS levels and three drainage classes. , . . . . , . , . , . . . . , . . . . . , . . . . . . . . . . , . .111
<br />Projected yield of San Diego potatoes using furrow, sprinkler, or trickier irrigation
<br />at six differentTDS levels and two drainage classes, ..,.,.,.,....,.,.,...,...,..,..,.,.,.,...... .111
<br />Projected yield of San Diego strawberries using furrow, sprinkler, or trickier irrigation
<br />at six different TDS levels, , . , . . . , . , , . , . , , . , , . , . , . . . . , . , . . . . . . , . , . . , , , . . . . . , . , . . . . , , . . , . . . . , . .111
<br />Projected yield of San Diego tangerines using furrow, sprinkler, or trickier irrigation
<br />at six differentTDS levels and three drainage classes .'.,...'.,..,......"...,.....,.,.......... .111
<br />Projected yield of San Diego summer tomatoes using furrow, sprinkler. or trickier
<br />irrigation at six different TDS levels and three drainage classes ,. . . . . . . . , . , . , . . , . . . . . . . . . . . . . , . . , .112
<br />Projeeted yield of San Diego fall tomatoes using furrow, sprinkler, or trickier irrigation
<br />at six different TDS ievels and three drainage elasses , . , . . . . . . , , . , . , . . . . . . . . . , . . . . . . . . . . . . . . . . . . .112
<br />Projected yield of San Diego spring tomatoes using furrow, sprinkler, or triekler irrigation
<br />at six differentTDS levels and three drainage classes .,......,.,......".,..,.,....,..........., .112
<br />Projected agricultural demand for water in acre feet per year ',....,....,.,."..............,.... ,113
<br />Valley Center Municipal Water District, San Diego County, California. , . . , . , . . . . . . . , . . . . . . . . . . . . . .113
<br />Expected yield decrement by crop per level of salinity in soil solution. . . , . . . . . . . , . . . . . . . , , . . . . . , . . , . 121
<br />Conductivity in micro mho/cm and ion coneentrations in meq/l as a funetion of TDS . , . . . . , . . . . . . . . . , .122
<br />Ratios of mean conductivity of saturated soil extract mean conductivity of irrigation water . . . . . . . . .122
<br />Projected eonductivitiesofsaturated soil extract .......,.,.".,.,.......,....................,. .123
<br />Effective values ofsoil saturation extraet conductivities ,...,....,..,.,..,.....,.........,....... .123
<br />
<br />Projectedyieldoflettuce..",.....,...,.,..............,.....,......,...."................. .124
<br />Number olacres available for single and double eropping by land class, . . . . . . . . . . . . . . . , . . . . . . . . . . . . .128
<br />Selected crops and double cropping possibilities .,........................,..................... .128
<br />Yields of major crops in Imperial Valley Irrigation District, . . . , . . . . . . . . . .. . , . . . . .. . . . . .. . . . , . . . . . .130
<br />Effective values of soil saturation extract conductivities, Imperial Valley . . . . . , . . . . . . . . . . . . . . . . . . . . .130
<br />Cropping and production pattern changes, lID .....,....,..,.,................................. .131
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<br />xv
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