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. 104 a Soil SU of 63 inches is brown loam. In some areas the surface underlying layer is sandy loam. y g material is brown and grayish brown Included in this unit are small areas of Coyotecreek stratified fine sandy loam, loamy sand, and loam soils in landscape positions similar to those of the Reiff r soil and San Joaquin soils on the slightly higher sand. The lower part to a depth of 60 inches is py terraces. Also included are small areas of soils that are brown loam. In some areas the surface layer is loam. gravelly and moderately coarse textured and are on pay Stomand Zacharias soils in the slightly lower complex slopes resulting from channeling and Included in this unit are small areas of Ca a deposition in drainageways. Included areas make up landscape positions. Also included, in landscape about 15 percent of the total acreage. Positions similar to those of the Reiff soil, are Permeability is moderately rapid in the Reiff soil. areas of moderately coarse textured soils that haVll Available water capacity is moderate. The effective surface layer of gravelly or cobbly sandy loam an e rooting depth is 60 inches or more. Runoff is slow, and d the hazard of water erosion is slight. The rate of water moderately coarse textured soils that have medium intake in irrigated areas is 1.5 inches per hour. The textured or moderately fine textured layers below depth t f t inches. Included areas make u hazard of soil blowing is slight. The soil is subject to Percent of the total acreage. P about 1 occasional, very brief or brief periods of flooding from Permeability is moderately rapid in the Reiff soil, December through April. Available water capacity is moderate. The effective Most areas are used for dryland grain crops. A few rooting depth is 60 inches or more. Runoff is slow,a areas are used for irrigated crops. This unit may the hazard of water erosion is slight. The rate of wat Y intake in irrigated areas is 1.5 inches per hour. T provide wetland functions and values. These should be considered in plans for enhancement of wildlife habitat hazard of soil blowing is slight. The soil is subjecthe or land use conversion. rare floodin which occurs during Where this unit is used for dryland grain crops, the t 9 Years of abnormal high precipitation. main limitation is low rainfall during the growing season. The occasional flooding is a hazard. Because the Most areas of this unit are used for irrigated crops orchards. A few areas are used for dryland grain crop amount of precipitation is not sufficient for annual or for homesite development. cropping, the best suited cropping This unit is suited to irrigated row, field, and orchar g' pping system is one that includes small grain and summer fallow. The risk of flooding can be reduced by levees and diversions. crops. It has few limitations. Furrow, border, and Maintaining crop residue on or near the surface helps to sprinkler irrigation systems are suitable. Maintaining prevent excessive runoff and soil blowing and helps to th op residue o or near the surface helps to prevent excessive runoff and soil blowing and helps to maintai maintain tilth and the organic matter content. a rate of water intake and the organic matter content. This unit is suited to irrigated row and field crops. Where this unit is used for dryland grain crops, the The occasional flooding is a hazard. The risk of floodin main limitation is low rainfall during the growing season can be reduced by levees and diversions. Furrow, g Because the amount of precipitation is not sufficient for border, and sprinkler irrigation systems are suitable. annual cropping, Maintaining crop residue on or near the surface helps to the best suited cropping system is one Maintaining includes small grain and summer fallow. prevent excessive runoff and soil blowing and helps to P aining crop residue on or near the surface helps to prevent excessive runoff and helps maintain the rate of water intake and the organic matter the organic matter content. content. to maintain filth and This map unit is in )capability units Ilw-2 (MCRA-17 If this unit is used for homesite development, general irrigated, and IVw-2 (MLRA-17), nonirrigated. It is inIf considerations include the rare flooding. vegetative soil group A. Roads and streets should be located above expected flood levels. 223—Reiff loam, 0 to 2 percent slopes. This very irri stied map unit is in capability units IIs-0 (MLRA-17 deep, well drained, nearly level soil is on alluvial fans. It )� formed in alluvium derived from mixed rock sources. g and IVs-0 (MLRA-17), nonirrigated. It is in vegetative soil group A. Elevation is 50 to 300 feet. The average annual 224—Rindge mucky temperature is about 60 degrees F, and the average silt loam, partially drained, 0 precipitation is about 10 inches, the average annual air to 2 percent slopes, overwashed. This very deep, very frost-free period is about 270 days. Poorly drained, nearly level soil is on deltas. It formed in hydrophytic plant remains derived from reeds and tules Typically, the surface layer is grayish brown loam and in alluvium derived from mixed rock sources about 7 inches thick. The upper 48 inches of the Levees, drainage ditches, and Pumpingof the water :cs