Interaction of soil pH, organic matter, exchangeable acidity, and cation exchange capacity in a managed tea farm.

In addition, the proportion of soil suitable for the tea plant growth (4.5 < soil pH value < 5.5) showed a decreasing trend, indicating the Yangai tea farm should be managed accurately by different areas with varying soil pH levels in the later stage.

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Soil pH distribution characteristics of soil profiles in different land use types Soil pH values of different land use profiles showed an increasing trend with the increase of soil depth in the Yangai tea farm.

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