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i~ <br />~ CONSISTENCE <br />(' Wet soil: Moist soil: Dry soil: <br /> <br />I nonsticky. <br />so . <br />loose. <br />I . <br />loose. <br />I <br />slightly sticky. ss very friable .vfr soft s <br />sticky s friable fr slightly ha <br />d sh <br />very sticky. vs : <br />firm fi r <br />: <br />hard h <br />nonelastic po very firm. .vti very fiard. vh <br />slightly plastic ps extremely firm .efl extremely hard eh <br />plastic. p Cementation: <br />very plastic vp weakly cemented. cw <br /> • strongly cemented. cs <br /> indurated. . . . , ci <br />C <br />REACTION BOUNDARY <br />(' (Use pH figures) <br />l Effervescence with HC1: <br />none. eo <br />1 • sl Ight. e <br />strong. es <br />violent ev <br />L J <br />Distinctness: <br />abrupt (41" thick).. a <br />clear (I"-2 1/2")... c <br />gradual (2 1/2"-5"). g <br />diffuse (t 5" thick). d <br />Topography: <br />smooth (nearly a <br />plane) s <br />wavy (pockets, width <br />t depth) w <br />irregular (pockets, <br />depth t width) i <br />broken (discontinu- <br />ous) b <br /> ROOTS <br /> Abundance of Roots <br /> (by number and size) <br /> ery ine ine edium oarse <br />Code Class (41 mm) (1-2 mm) (2-5 mm) (t5 mm) <br /> Average number per square decimeter <br />1 Few 510 510 41 51 <br />2 Common 10 to 100 10 to 100 1 to 10 1 to 5 <br />3 Many 1100 1100 t10 t5 <br />ze: <br />very floe (41 mm in diameter). of <br />fine (1-2 mm in diameter). f <br />~, mediu m (2-5 mm In diameter). m <br />coars <br />r. • e (T 5 mm i n d i ameter ) co <br /> <br />