不同耕作处理能影响土壤水分剖面分布。
Tillage treatments affect soil water distribution in soil profile.
探讨土壤剖面中砂质夹层的水分行为，试验采用模拟土柱进行研究。
Simulated soil column experiments were done to study the mechanisms of water reserved by sand interlayer in the profile.
土壤水分物理特征具有较明显的剖面垂直分布规律。
The soil water physical properties have obviously profile vertical distribution law.
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