Pedosphere 27(1): 1--16, 2017
ISSN 1002-0160/CN 32-1315/P
©2017 Soil Science Society of China
Published by Elsevier B.V. and Science Press
| Biosolid application to agricultural land---a contribution to global phosphorus recycle: A review |
S. I. TORRI1 , R. S. CORRÊA2 and G. RENELLA3 |
1Department of Natural Resources and Environment, School of Agriculture, University of Buenos Aires, Avenue San Martin 4453, Buenos Aires 1417 DSE (Argentina)
2University of Brasília-UnB/PPGCA, Campus Darcy Ribeiro, Caixa Postal 04.401, 70910-970 DF (Brazil)
3Department of Agrifood Production and Environmental Sciences, University of Florence, Piazzale delle Cascine 18, Florence 50144 (Italy) |
| ABSTRACT |
| Phosphorus (P) is an essential nutrient required for plant development. Continuous population growth and rising global demand for food are expected to increase the demand for phosphate fertilizers. However, high-quality phosphate rock reserves are progressively becoming scarce. Part of the increased pressure on P resources could be alleviated by recycling P present in biosolids. Therefore, it is crucial to understand the dynamics of P in biosolid-amended soils, the effects of residual biosolid-borne P in soils, the way in which microorganisms may control P dynamics in biosolid-amended soils and the environmental implications of the use of biosolids as a source of P. Further research is needed to maximize biosolid-borne P uptake by crops and minimize its loss from biosolid-amended soils. The analysis of the microbiological control of P dynamics in biosolid-amended soils indicates interactions of biosolid P with other nutrients such as carbon (C) and nitrogen (N), suggesting that harmonization of the current regulation on the use of biosolids in agriculture, mainly based on total N and pollutant contents, is needed to better recycle P in agriculture. |
| Key Words: anthropogenic P, P availability, phosphate, P biogeocycle, P uptake, runoff P |
| Citation: Torri, S. I., CorrÊa, R. S. and Renella, G. 2017. Biosolid application to agricultural land---a contribution to global phosphorus recycle: A review. Pedosphere. 27(1): 1-16. |
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