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134 Soil Survey 6.6 the pan. Furrow, border, and sprinkler irrigation systems made. Included areas make up about 15 percent of the are suitable. Careful applications of irrigation water are total acreage. needed to prevent the buildup of a high water table. A Permeability is moderately rapid in the Veritas soil. drainage system may be needed. When the wind Available water capacity is moderate. The effective velocity is high in spring, the hazard of soil blowing can rooting depth is limited by the hardpan at a depth of 40 be reduced by properly managing all crop residue and to 60 inches. Depth to the water table is more than 6 A" by minimizing tillage. feet, but water may be briefly perched above the This unit is suited to irrigated pasture. Irrigation water hardpan atter periods of heavy rainfall or irrigation, can be applied by sprinkler and border methods. Runoff is slow, and the hazard of water erosion is i6a Leveling helps to ensure a uniform application of water. slight. The rate of water intake in irrigated areas is 1.5 Proper stocking rates, pasture rotation, and restricted inches per hour. The hazard of soil blowing is grazing during wet periods help to keep the pasture in moderate. The soil is subject to rare flooding, which good condition and protect the soil from compaction. occurs during years of abnormally high precipitation. '-' If this unit is used for homesite development, the Most areas are used for irrigated crops, orchards, or main limitations are depth to the hardpan and the high vineyards. A few areas are used as irrigated pasture or water table. The rare flooding is a hazard. Ripping the for homesite development. This unit may provide 16" hardpan improves permeability and thus also improves wetland functions and values. These should be the suitability of the soil for septic tank absorption fields. considered in plans for enhancement of wildlife habitat The high water table increases the possibility that septic or land use conversion. La tank absorption fields will not function properly. Roads This unit is suited to irrigated row, field, orchard, and and streets should be constructed above expected flood vineyard crops. The main limitation is depth to the levels. hardpan. General management considerations include This map unit is in capability units Ilw-8 (MLRA-17), the hazard of soil blowing. The hardpan limits the La irrigated, and IVw-8 (MLRA-17), nonirrigated. It is in suitability for deep-rooted crops. Where feasible, deep vegetative soil group A. ripping of this restrictive layer can help to overcome this limitation. Careful applications of irrigation water are 266--Veritas fine sandy loam, 0 to 2 percent needed to prevent the buildup of a high water table. A slopes. This moderately well drained, nearly level soil is tillage pan forms easily if the soil is tilled when wet. on low fan terraces. It is deep to a hardpan. It formed in Chiseling or subsoiling breaks up the pan. Furrow. alluvium derived from mixed rock sources. Elevation is border, and sprinkler irrigation systems are suitable. 20 to 75 feet. The average annual precipitation is about When the wind velocity is high in spring, the hazard of 11 inches, the average annual air temperature is about soil blowing can be reduced by properly managing all 60 degrees F, and the average frost-free period is about crop residue and by minimizing tillage. +... 270 days. This unit is suited to irrigated pasture. Irrigation water Typically, the surface layer is grayish brown fine can be applied by sprinkler and border methods. sandy loam about 15 inches thick. The subsoil is pale Leveling helps to ensure a uniform application of water. brown and light brownish gray fine sandy loam about 39 Proper stocking rates, pasture rotation, and restricted inches thick. The lower part to a depth of 70 inches is a grazing during wet periods help to keep the pasture in variegated light gray and white, weakly cemented to good condition and protect the soil from compaction. strongly cemented hardpan. In some areas the surface If this unit is used for homesite development. the layer is sandy loam or foam. main Included in this unit are small areas of Bisgani and flooding is limitation Rippingto the hardpan. The rare improves Grangeville soils and small areas of Veritas soils that permeability and thus also impro esdthpe suitability of the ;.d have a moderately fine textured surface layer. All of soil for septic tank absorption fields. Roads and streets these included soils are in the slightly lower landscape should be constructed above expected flood levels. Positions. Also included are small areas of Jahant and This map unit is in capability units lls-8 (MLRA-17), Madera soils on terraces; Tinnin soils on the slightly irrigated, and IVs-8 (MLRA-17), nonirrigated. It is in higher parts of the landscape; and, in landscape vegetative soil group A. Positions similar to the dominant Veritas soil, moderately coarse textured soils that have a moderately 267—Veritas silty clay loam, 0 to 2 percent slopes, �+ fine textured subsoil above the hardpan. Depth to the overwashed. This moderately well drained, nearly level hardpan is as little as 30 inches in a few included soil is on low terraces. It is deep to a hardpan. It formed Areas, mainly where deep leveling cuts have been in alluvium derived from mixed rock sources. Elevation a.