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Bio-absorption coefficients and relationships
between elements in chestnut leaves and their fractions in chestnut
forest soil |
| Xia LIU1,Tongyan WU1,Daling FENG1,Shuqing LIU2,Zhaohong TANG3, |
| 1.College of Life Science,
Hebei Agricultural University, Baoding 071001, China; 2.College of Resources
and Environment Science, Hebei Agricultural University, Baoding 071001,
China; 3.Hebei Research Institute
of Microbiology, Baoding 071000, China; |
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Abstract The Ca, Mg, Fe, Zn, Cu, and Mn concentration in the 0–20 cm and 20–40 cm soil layers of chestnut forest in the Yanshan mountainous area were determined by the available form and BCR three-step sequential chemical extraction methods. The bioabsorption coefficients and the relationships between elements in chestnut leaves and their fractions in soils were analyzed. Results showed that chestnut’s bioabsorption coefficients of Ca and Mn were higher than those of other elements. There was a negative correlation between the concentrations of Fe, Mn, and Cu in chestnut leaves and each of their fractions in soils, except for the deoxidized fraction Fe, and a positive correlation between fractions of Zn in soils and in chestnut leaves. The element fractions in soils could better reveal the biogeochemical characteristics of nutrient elements in chestnut forest soils. The nutrient status of chestnut leaves could be estimated by the acetic acid extractable fractions of Mn in the 0–20 cm soil layer and Fe and Zn in the 20–40 cm soil layer.
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| Keywords
chestnut leaf
soil
nutrient element
element fraction
bio-absorption coefficient
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Issue Date: 05 June 2010
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