A1 层 AI horizon A2 层 A2 horizon ABC 型土 ABC soil AC 型土 AC soil AG 型土 AG soil Ao 层 Ao horizon Ap 层 Ap horizon A 层 A horizon BC 型土壤 B C Soil B 层 B horizon C 层 C horizon G 层 G horizon H 层 H layer L 层 L layer pF 曲线 pF curve pF 值 pF value pH 值 pH Value U 形沟蚀 U-shaped gullying V 式节制坝 V-type check dam V 形沟蚀 V-shaped gulling V 形拖板 V-drag X 线分光分析 X-ray spectrophy X 线绕射分析 X-xayd iffraction method y 次量养分元素， Secondary nutrient element(即 Secondary essential element 安定粒团 Stable aggregate 氨态氮 Ammonieal nitrogen 胺化作用 Aminization 暗 Dark (指 Soil colour 暗渠排水 Closed ditch drainage 暗色火山灰土 Ando soil 白垩土 Chalk soil 白毛微法 Cunninghemella plaque test 斑点 Mottling 半定域土 Semizonal soil 半润度含水量 Moisture content at 50% relative humidity 半沼泽土 Half bog soil (同 Marsh border soil) 榜纹 Streak 剥蚀作用 Exfoliation 保土坝 Soil saving dam 保土调查 Soil conservation survey 保土局 Soil conservation service (U.S.D.A.) 保土作物 soil protective crop 保土作物 Soil conserving crop 饱和度 Degree of saturation 饱和渗透度 Saturated permeability 饱和水流 Saturated flow 鲍氏单位（鲍尔） Baule's unit (haule) 鲍氏生产律 Baule s law of percentage yield 被护作物 Cover crop 崩积层 Colluvium 崩积土 Colluvial soil 边际地 Manning's formula Marginal Land 变质多米高岭石 Metahalloysite 表层冲蚀 Sheet erosion 表土 Surface soil 表土截去 Truncation 冰川沈积 Glacial drift 冰积土 Glacial soil 冰沼土 Tundra soil 薄片状构造 Laminar structure 卜来水化云母 Bravaisite 不饱和水流 Unsaturated flow 不坚结 Unconsolidated 不自由水 Unfree water 不足供应 Poverty adjustment 残积土 Residual soil 槽式培段 Channel-type terrace 草地 Grass land 草皮 Sod 草滩腐植土 Marsh soil 草原黑土 Black prairi...
