![]() ![]() ![]() (2 to 12 inches thick)īA-2 to 10 inches yellowish brown (10YR 5/4) gravelly loam, dark brown (10YR 3/3) moist weak very fine and fine subangular blocky structure parting to moderate fine granular slightly hard, very friable, slightly sticky and slightly plastic many very fine, fine and common medium and coarse roots common very fine and fine tubular and irregular pores 15 percent gravel slightly acid (pH 6.3) clear smooth boundary. (Colors are for dry soil unless otherwise noted.)Ī-0 to 2 inches brown (10YR 5/3) gravelly loam, dark brown (10YR 3/3) moist weak very fine and fine granular structure soft, very friable, slightly sticky and slightly plastic many very fine, fine and common medium and coarse roots many very fine and fine tubular and irregular pores 15 percent gravel moderately acid (pH 5.9) clear smooth boundary. TYPICAL PEDON: Fergie gravely loam - rangeland. TAXONOMIC CLASS: Loamy-skeletal, mixed, superactive, frigid Ultic Argixerolls The average annual precipitation is about 14 inches and the average annual temperature is about 44 degrees. They formed in colluvium and residuum derived predominantly from welded tuff, rhyolite and basalt. The Fergie series consists of deep, well drained soils on foothills and canyonsides. Official Series Description - FERGIE Series LOCATION FERGIE ID ![]()
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