New Insight into Phosphorus Release of Rhizosphere Soil in the Water Level Fluctuation Zone
نویسندگان
چکیده
Many phosphorus release experiments have been conducted in the water level fluctuation zone (WLFZ). However, effects of rhizospheres on risk soil remain unclear. In this study, twenty-four samples were collected from WLFZ Pengxi River, largest tributary northern Three Gorges Reservoir. Physicochemical properties, forms and phosphatase activity rhizosphere near-rhizosphere soils investigated. Both total (TP) water-extracted organic (H2O-Po) contents significantly higher than (p < 0.05). Enrichment rates (ER) TP H2O-Po 42.4% 180.3%, respectively. Significant increases also found activities acid phosphatase, alkaline phosphodiesterase rhizosphere, corresponding ERs 95.3%, 76.1%, 22.0%, Environmental factors, such as pH, matter, amorphous manganese, made significant contributions to variations activities. The study area increased slightly, according index. This may further increase due flooding, plant uptake would be inhibited while inorganic is still generated by phosphatase.
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ژورنال
عنوان ژورنال: Sustainability
سال: 2023
ISSN: ['2071-1050']
DOI: https://doi.org/10.3390/su15086635