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Research Progresses on the Profile Distribution Law of Soil Nutrients and Its Influencing Factors

WU Li et al(College of Environment Science,Anhui Normal University, Wuhu,Anhui 241003)  
The distribution law of soil organic carbon,total nitrogen,total phosphors and total sulfur in the profile was summarized.The content of these elements showed a decline trend with the increasing of the depth in the main.From the angles of natural factors and humanities activity and so on,the influencing factors of the profile distribution of the soil nutrients were explored so as to promote the future research of soil nutrients based on analyzing the previous experience and achievements.
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