单词	ultisol
释义	ultisol /ˈʌltɪsɒl / noun Soil Science A highly weathered leached red or reddish-yellow acid soil with a clay-rich B horizon, occurring in warm, humid climates.Upland soils are highly weathered alfisols and ultisols, with large clay fractions and chert intermixed throughout the profile.... Very thick root mats inside forest litter have been described in undisturbed tropical forests growing on atypical soils such as giant podzols, but less dramatic root mats can be found beneath forests on more typical oxisols and ultisols. The species is extremely rare throughout its range, being known from wet savannas on calcium-influenced ultisol soils in southeastern North Carolina, Florida and Georgia. Origin 1960s: from ultimate + Latin solum 'soil'.
随便看	equanimity equanimous equant equatable equate equation equational equation of state equation of the first (or second etc.) order equation of time equative equator equatorial Equatorial Guinea Equatorial Guinean equatorially equatorial mount equatorial mounting equatorial telescope equerry eques equestrian triennium trier Trieste

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