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i "~.. <br />' • RANGE SITE NO <br />261 <br /> <br />_ Page 2 <br />' SALT FLATS ' <br />_ _ August 1975 <br />1 <br />3~ <br />a <br />+ <br />t~ ; <br />F. <br />•r <br />• <br />_~ ` <br />.u_ , <br />Native (potential) Vegetation and Guide for Determining Range <br />Condition. <br />Percentage composition by weig~t of the principal species may <br />J <br />total as much as: <br />{' <br />Western wheatgrass ; 40 <br />Saltgrass ', 25 <br />Alkali grass iD <br />Sedges and rushes 10 <br />Aster 10 <br />' G.easewood 10 <br />' , <br />Indian ricegrass ,~ <br />~~ 5 <br />Alkali bluegrass ~'~ 5 <br />Squlrreltall "+ 5 <br />Owl Glover 5 <br />Winterfat 5 <br />Rabbltbrush 5 <br />Plkall sagebrush ; 5 <br />4. Total Annual Production <br />Favorable years 900 Pounds per Acre Alr Dry <br />Unfavorable years 500 " " " " " <br />Median years 750 " " " " " <br />5. soils <br /> <br />a. Moderately well developed natric soils developing in strongly <br />alkali -- saline sediments with an Ai, A2, 82T, **B layer <br />sequence. The texture varies from a sandy clay loam to a <br />clay through tfie profile. ',tt hes a pH ranging from 8.0 to <br />10.0. Tlie substratum materiels may show moderate gleying <br />and have moderate accumulaiilons of salt and lime. Soils <br />may be over sand or graveltbelow 40 Inches. Generally low <br />lying bottoms and swales subJect to water accumulation. The <br />combination of heavy soils :and sodium salts are restrictive <br />to plant growth. <br />b. Soils in this site are: <br />;( <br />,-* B2 or 82T 1. <br />i <br />_ , <br /> <br />+ <br /> <br />.4 <br />•~ <br />>! <br />