钙积层;
The migration velocities of Cr ( VI) in soil was relevant to contents of clay, and they were in an order: argillic horizon calcic horizon.
受粘粒含量影响,黄土性土壤中Cr()运移的速度不同,其顺序为粘化层<犁底层+老耕层<耕层<钙积层。
The Recovery Cycle of Calcic Horizon within Chestnut Soil after Disturbance
栗钙土钙积层干扰后物理性质的恢复周期
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