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DELTA-MONTROSE AREA, COLORADO 49 <br /> and chemical properties of soils <br /> Percent passing sieve size- <br /> Available <br /> Permea- water Reaction Salinity Dispersion Shrink-swell <br /> No.4 No. 10 No. 200 bility capacity potential <br /> (4.7 (2.0 (0.074 <br /> mm.) mm.) mm.) <br /> Inches per <br /> Inches per hour inch o/soil <br /> Moderately alkaline_- Slight to moderate_ Low to high------ Low to high. <br /> (')----------------- (1)--------------- (')--------------- (9- <br /> 85-90 80 75-80 0. 3-0.5 0. 19 Moderately alkaline__ Moderate to high-_ Moderate--------- Moderate. <br /> 90-95 80-90 75-80 0.3-0.5 . 19 Moderately alkaline-- Moderate to high-_ Moderate to high-- Moderate. <br /> 95-100 90-95 80-90 0. 1-0.3 .21 Moderately alkaline-_ Moderate to high-- Moderate to high__ High. <br /> 90-95 80-90 75-80 0.3-0.5 . 18 Moderately alkaline-_ Moderate to high-- Moderate to high__ Moderate. <br /> 95-100 90-95 85-90 0. 1-0.3 . 21 Moderately alkaline-_ Moderate to high__ Moderate to high-- High. <br /> 90-95 80-90 60-70 0. 5-1.0 . 17 Moderately alkaline_- Moderate to high_- Moderate to high-_ Low to <br /> moderate. <br /> 95-100 90-95 85-90 0. 1-0.3 .21 Moderately alkaline__ Moderate to high-- Moderate to high-- High. <br /> 90-95 80-90 75-80 0.3-0.5 . 19 Moderately alkaline__ Moderate to high_- Moderate to high_- Moderate. <br /> 85-90 80-85 75-80 0.3-0. 5 . 17 Moderately alkaline__ Moderate--------- Moderate--------- Moderate. <br /> 85-90 80-85 75-80 0.3-0. 5 . 17 Moderately alkaline_- Moderate--------- Moderate--------- Moderate. <br /> 85-90 80-85 75-80 0.3-0.5 . 17 Moderately alkaline__ Moderate--------- Moderate--------- Moderate. <br /> 60-70 55-65 50-60 0.5-0.75 . 15 Moderately alkaline-_ Moderate_________ Moderate--------- Moderate. <br /> 85-90 80-85 75-80 0.3-0.5 . 17 Moderately to highly Moderate to high-_ Moderate--------- Moderate. <br /> alkaline. <br /> 90-95 80-90 75-80 0.3-0.7 . 19 Mildly alkaline___-__ Slight------------ Low_____________ Moderate. <br /> 95-100 90-95 85-90 0.2-0.4 .21 Mildly alkaline______ Slight------------ Low_____________ High. <br /> 90-95 80-90 75-80 0.3-0.7 . 19 Mildly alkaline_--_-_ Moderate to high__ Low_____________ Moderate. <br /> 95-100 90-95 85-90 0. 2-0.4 . 21 Mildly alkaline------ Moderate to high__ Low------------- High, <br /> 70-85 60-75 55-60 1.0-1.5 . 14 Mildly alkaline------ Slight to none----- Low_____________ Low. <br /> 90-95 80-90 75-80 0.3-0.7 . 19 Mildly alkaline------ Slight to none----- Low_____________ Moderate. <br /> 70-80 60-75 55-60 0.5-1.0 . 15 Moderately alkaline-_ Slight to none-___- Low_____________ Low. <br /> 80-95 70-85 65-70 1. 0-1.5 . 15 Mildly alkaline__-_-_ Slight------------ Low_____________ Low. <br /> 90-95 80-90 75-80 0.3-0.7 . 19 Mildly alkaline_____- Slight------------ Low------------- Moderate. <br /> 70-80 60-75 55-60 0.5-1.0 . 15 Mildly alkaline__-_-_ Slight------------ Low_____________ Low. <br /> 60-65 50-60 45-55 1.3-1. 7 . 11 Mildly alkaline--__-_ Slight------------ Low_____________ Low. <br /> 90-95 80-90 75-80 0.3-0.7 . 19 Mildly alkaline_____- Slight------------ Low_____________ Moderate. <br /> 70-80 60-75 55-60 0.5-1.0 . 15 Mildly alkaline_-____ Slight------------ Low_____________ Low. <br /> 85-90 75-85 60-75 1.0-2. 0 . 15 Mildly alkaline___--_ Slight to none----- Low_____________ Moderate. <br /> 70-85 60-75 55-60 0.5-1.7 . 12 Moderately alkaline_- Slight to none--___ Low_____________ Moderate. <br /> 85-90 75-85 35-45 1.0-2.0 . 14 Mildly alkaline______ Low------------- Low------------- Low. <br /> 85-90 75-85 55-60 1.0-1.5 . 16 Mildly alkaline--_-_- Low------------- Low------------- Low. <br /> 85-90 75-85 35-45 1.0-2.0 . 14 Mildly alkaline--____ Low_____________ Low------------- Low <br /> 95-100 90-95 80-90 0. 1-0.3 .21 Moderately alkaline__ Moderate--------- Moderate--------- High. <br /> 95-100 90-95 80-90 0.1-0.4 .21 Moderately alkaline-_ Moderate to Moderate to High. <br /> severe. high. <br /> 95-100 90-95 80-90 0. 1-0.3 .21 Moderately alkaline__ Moderate to Moderate to High. <br /> severe. high. <br /> 90-95 85-90 80-85 0. 1-0.3 .21 Mildly alkaline___-__ Moderate--------- Moderate__- ----- High. <br /> 95-100 90-95 80-90 0. 1-0.4 .21 Mildly alkaline_--_-- Moderate--------- Moderate--------- High. <br /> 95-100 90-95 80-90 0. 1-0.3 .21 Mildly alkaline_____- Moderate--------- Moderate--------- High. <br /> 95-100 90-95 80-90 0. 1-0.4 .21 Mildly alkaline--____ Moderate--------- Moderate--------- High. <br /> 30-35 10-15 5-10 (1) (1) Mildly alkaline------ None to slight_-_- Low_____________ Low. <br /> q 'af Z I <br />