f
<br /> 134 Soil Surve'y'
<br /> i
<br /> the pan. Furrow, border, and sprinkler irrigation systems made. Included areas make up about 15 percent of tt°
<br /> are suitable. Careful applications of irrigation water are total acreage.
<br /> needed to prevent the buildup of a high water table. A Permeability is moderately rapid in the Veritas soil;
<br /> drainage system may be needed. When the wind Available water capacity !s moderate. The effective
<br /> velocity is high in spring, the hazard of soil blowing can rooting depth is limited by the hardpan at a depth of 40
<br /> be reduced by properly managing all crop residue and to 60 inches. Depth to the water table is more than 6 ::''°
<br /> by minimizing tillage. feet, but water may be briefly perched above the
<br /> This unit is suited to irrigated pasture. Irrigation water hardpan after periods of heavy rainfall or irrigation
<br /> can be applied by sprinkler and border methods. Runoff is slow, and the hazard of water erosion is
<br /> Leveling helps to ensure a uniform application of water. slight. The rate of water intake in irrigated areas is 1.,&I
<br /> Proper stocking rates, pasture rotation, and restricted inches per hour. The hazard of soil blowing is
<br /> grazing during wet periods help to keep the pasture in moderate. The soil is subject to rare flooding, which
<br /> good condition and protect the soil from compaction. occurs during years of abnormally high precipitations., " h
<br /> If this unit is used for homesite development, the Most areas are used for irrigated crops, orchardsp,,i.
<br /> A
<br /> main limitations are depth to the hardpan and the high vineyards. A few areas are used as irrigated pasture,,:,"",
<br /> water table. The rare flooding is a hazard. Ripping the for homesite development. This unit may provide
<br /> hardpan improves permeability and thus also improves wetland functions and values. These should be
<br /> the suitability of the soil for septic tank absorption fields. considered in plans for enhancement of wildlife habita'k�
<br /> The high water table increases the possibility that septic or land use conversion.
<br /> F tank absorption fields will not function properly. Roads This unit is suited to irrigated row, field, orchard ah
<br /> and streets should be.constructed above expected flood vineyard crops. The main limitation is depth to the F."
<br /> 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 ;, firrigated, and IVw-8 (MLRA-17), nonirrigated. It is in suitability for deep-rooted crops. Where feasible, deepi. t
<br /> vegetative soil group A. ripping of this restrictive layer can help to overcometbh
<br /> limitation. Careful applications of irrigation water are, . s
<br /> '266—Veritas fine sandy loam, 0 to 2 percent needed to prevent the buildup of a high water table,!A,� If
<br /> slopes. This moderately well drained, nearly level soil is tillage pan forms easily if the soil is tilled when wet:
<br /> on low fan terraces. It is deep to a hardpan. It formed in Chiseling or subsoiling breaks up the pan. Furrow, y
<br /> alluvium derived from mixed rock sources. Elevation is border, and sprinkler irrigation systems are suitable:
<br /> I 20 to 75 feet. The average annual precipitation is about When the wind velocity is high in spring, the hazardl.- m
<br /> 11 inches, the average annual air temperature is about soil blowing can be reduced by properly managing alb 5f
<br /> 60 degrees F, and the average frost-free period is about crop residue and by minimizing tillage. w
<br /> 270 days. This unit is suited to irrigated pasture. Irrigation wad ,
<br /> Typically, the surface layer is grayish brown fine can be applied by sprinkler and border methods.
<br />{ sandy loam about 15 inches thick. The subsoil is pale Leveling helps to ensure a uniform application of we. th
<br /> E.1 brawn and light brownish gray fine sandy loam about 39 Proper stocking rates, pasture rotation, and restricte jiFi.
<br /> inches thick. The lower part to a depth of 70 inches is a grazing during wet periods help-tn keep the pasture t ..' 01
<br />{ variegated light gray and white, weakly cemented to good condition and protect the soil from compactionre rrr
<br /> strongly cemented hardpan. in some areas the surface If this unit is used for homesite development, the ., hi
<br /> layer is sandy loam or loam. main limitation is depth to the hardpan. The rare hi
<br /> Included in this unit are small areas of Bisgan! and flooding is a hazard. Ripping the hardpan improves t.
<br /> bli
<br /> Grangeville soils and small areas of Veritas soils that permeability and thus also improves the suitability af01
<br /> aa
<br /> l • have a moderately fine textured surface layer. All of soil for septic tank absorption fields. Roads and streem
<br /> these included soils are in the slightly lower landscape should be constructed above expected flood levels., :°
<br /> + positions. Also included are small areas of Jahant and This map unit is in capability units IIs-8 (MLRA 1,7,
<br /> Madera soils on terraces; Tinnin soils on the slightly irrigated, and IVs-8 (MLRA-17), nonirrigated. It is in y '
<br /> higher parts of the landscape; and, in landscape vegetative soil group A.
<br /> i n y
<br /> positions similar to the dominant Veritas soil, Th.�
<br /> moderately coarse textured soils that have a moderately 267—Veritas silty clay loam, 0 to 2 percent slo
<br /> fine textured subsoil above the hardpan. Depth to the overwashed. This moderately well drained, nearly, Il
<br /> �-' f©c
<br /> r-
<br /> hardpan is as little as 30 inches in a few included soil is on low terraces. It is deep to a hardpan. It ford;
<br /> Areas, mainly where deep leveling cuts have been in alluvium derived from mixed rock sources. ElevOl
<br /> t:
<br />
|