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Critical knowledge gaps and research priorities in global soil salinity
Hopmans, J.W.; Qureshi, A.S.; Kisekka, I.; Munns, R.; Grattan, S.R.; Rengasamy, P.; Ben-Gal, A.; Assouline, S.; Javaux, M.; Minhas, P.S.; Raats, P.A.C.; Skaggs, T.H.; Wang, G.; De Jong van Lier, Q.; Jiao, H.; Lavadon, R.S.; Lazarovitch, N.; Li, B.; Taleisnik, E. (2021). Critical knowledge gaps and research priorities in global soil salinity, in: Sparks, D.L. (Ed.) Advances in Agronomy - Volume 169. Advances in Agronomy, 169: pp. 1-191. https://dx.doi.org/10.1016/bs.agron.2021.03.001
In: Sparks, D.L. (Ed.) (2021). Advances in Agronomy - Volume 169. Advances in Agronomy, 169. Academic Press: [s.l.]. ISBN 978-0-12-824590-3; e-ISBN 978-0-32-385038-4. 266 pp., meer
In: Advances in Agronomy. Elsevier. ISSN 0065-2113, meer
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| Auteurs | | Top |
- Hopmans, J.W.
- Qureshi, A.S.
- Kisekka, I.
- Munns, R.
- Grattan, S.R.
- Rengasamy, P.
- Ben-Gal, A.
|
- Assouline, S.
- Javaux, M., meer
- Minhas, P.S.
- Raats, P.A.C.
- Skaggs, T.H.
- Wang, G.
|
- De Jong van Lier, Q.
- Jiao, H.
- Lavadon, R.S.
- Lazarovitch, N.
- Li, B.
- Taleisnik, E.
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| Abstract |
Approximately 1 billion ha of the global land surface is currently salt-affected, representing about 7% of the earth's land surface. Whereas most of it results from natural geochemical processes, an estimated 30% of irrigated lands globally are salt-affected through secondary human-induced salinization. Application of lower quality, alternative irrigation water is further threatening expansion of the areal extent of soil salinity, in addition to climate change causing increases of salt-water intrusion in coastal areas and increasing crop water requirements. The reduced availability of freshwater resources for irrigation, the continued reduction of the world's cultivated agricultural area by land degradation and urbanization, in conjunction with a growing world population further complicates the problemseeking sustainable solutions. This scoping review prioritizes critical knowledge gaps and makes recommendations for 10 priorities in soil salinity research toward a sustainable and productive agricultural system for a food-secure future world. We also include basin-specific case studies that illustrate progress of the world's major irrigated areas in addressing impacts of soil salinization. By identifying research priorities, we seek to accelerate enhanced research funding to bring new knowledge and innovative solutions toward mitigation of soil salinity impacts. We further want to inspire the science community to develop new directions in salinity research. |
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