Articles | Volume 10, issue 1
https://doi.org/10.5194/soil-10-49-2024
https://doi.org/10.5194/soil-10-49-2024
Original research article
 | 
16 Jan 2024
Original research article |  | 16 Jan 2024

Intensive agricultural management-induced subsurface accumulation of water-extractable colloidal P in a Vertisol

Shouhao Li, Shuiqing Chen, Shanshan Bai, Jinfang Tan, and Xiaoqian Jiang

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Cited articles

Arai, Y. J. and Sparks, D. L.: Phosphate reaction dynamics in soils and soil components: a multiscale approach, Adv. Agron., 94, 135–79, https://doi.org/10.1016/S0065-2113(06)94003-6, 2007. 
Arai, Y. J. and Sparks, D. L.: Atr–Ftir spectroscopic investigation on phosphate adsorption mechanisms at the ferrihydrite–water interface, J. Colloid Interf. Sci., 241, 2317–26, https://doi.org/10.1006/jcis.2001.7773, 2021. 
Arenberg, M. R., Liang, X., and Arai, Y. J.: Immobilization of agricultural phosphorus in temperate floodplain soils of illinois, USA, Biogenchemistry, 150, 257–278, https://doi.org/10.1007/s10533-020-00696-1, 2020. 
Bai, S., Tan, J., Zhang, Z., Wei, M., Zhang, H., and Jiang, X.: Phosphorus speciation and colloidal phosphorus response to the cessation of fertilization in lime concretion black soil, Pedosphere, 33, 948–959, https://doi.org/10.1016/j.pedsph.2023.01.004, 2023. 
Barka, T. and Anderson, P. J.: Histochemical methods for acid phosphatase using hexazonium pararosanilin as coupler, J. Histochem. Cytochem., 10, 741–753, https://doi.org/10.1177/10.6.741, 1962. 
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Short summary
The distribution of water-extractable colloids with soil profiles of 0120 cm was investigated in a Vertisol under high-intensity agricultural management. A large number of experimental data show that colloidal phosphorus plays an important role in apatite transport throughout the profile. Thus, it is crucial to consider the impact of colloidal P when predicting surface-to-subsurface P loss in Vertisols.