Abstract

Based on field investigation and indoor analysis, distribution characteristics of four available trace elements, including Cu, Fe, Mn, Zn, in the terrace land in loess region, was studied. Results indicated that, these four available trace elements distributed unevenly across soil profile, and its variation coefficient was high, which reached medium and high level. Distribution trends of these four available trace elements were different with crops in the terrace land. It verified that content of available trace elements in the soil was also related to soil properties, surface vegetative cover and construction time of terrace.

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