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~. s <br />~:, <br />RANCE SITE N0. 231 <br />DRY MOUNTAIN LOAM <br />~~ August 1975 <br />~; <br />i'nge 2 % <br />Native (potential) Vegetation and Guide for Dete:::ining Range <br />Condition. ' <br />Percentage composition by weight of the principal species may <br />total as much as: , <br />Bluebunch wheatgrass 30 <br />Needlegrasses f" ' 30 <br />Streambank wheatgrass~I(,V`otii.r 25 <br />Sheep fescue ~ 20 <br />Muttongrass ~ 20 <br />Nevada bluegrass . 20 - <br />Junegrass ~ IS <br />Big sagebrush ~.` 15 <br />' Indian ricegrass 10 <br />Squirreltail 10 <br />Sedge 10 <br />Blue grams 5 <br />Low rabbitbrush ~ 5 <br />Fringed sage •~ 5 <br />Bltterbrush 5 <br />Snowberry 5 <br />Serviceberry <br />Others (as listed above) ~/ <br />4. Total Annual Production <br />Favorable years 1000 Pounds per Aere Air Dry <br />Unfavorable years 500 " " " " " <br />Median years 750 " " " " " <br />5, soils <br />a. Soils are gritty loams to sandy~loams, dark colored, with a <br />depth of top soil holding 'to;about 7 Inches, The subsoil is <br />inclined to be hard and Slowly permeable when dry. A strong <br />lime zone (very mature: and developed) is present at about <br />27 inches on gentle slopes, some soils have a tendency to <br />form crusts which restciet infiltration and tend to create <br />droughty conditions, thus Inhibiting plant growth. <br />^. .,' <br />\.J <br />~J <br />~..,.. <br />'~}~..`: i. .i 'w'it; .. Y `•~~ , 'p_.r•Y,'. <br />