ArticlePeerJ2026
Distribution characteristics of trace mineral elements in tea garden soils of Guizhou region and their biological accumulation and response to tea quality.
Article in PeerJ, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Methods: Drawing on a prior survey of 146 surface soil (0 ∼ 20 cm) samples from Guizhou tea gardens, 36 representative tea gardens spanning 12 local tea-producing areas were chosen for field research. Soil profile samples (0 ∼ 20 cm, 20 ∼ 40 cm, 40 ∼ 60 cm) and tea leaves were collected to analyze the spatial variability of major minerals (aluminum (Al), iron (Fe), calcium (Ca), magnesium (Mg), phosphorus (P), potassium (K), sulfur (S)) and trace elements (manganese (Mn), copper (Cu), zinc (Zn), molybdenum (Mo), germanium (Ge), selenium (Se), strontium (Sr)), as well as trace element bio-accumulation and their correlations with tea quality. Soil and rock samples were digested with aqua regia, tea samples with concentrated HNO Results: Results revealed significant spatial heterogeneity in soil trace elements (Mn, Cu, Zn, Mo, Ge, Se, Sr), with Cu and Se showing the highest variability, followed by Zn and Sr, then Mn and Mo, while Ge exhibited the least variation. In surface soils, Se concentrations ranged from 0.23 to 1.50 mg kg
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