Organic phosphorus in the terrestrial environment: a perspective on the state of the art and future priorities

George, Timothy S.; Giles, Courtney D.; Menezes‐Blackburn, Daniel; Condron, Leo M.; Gama-Rodrigues, Antônio Carlos; Jaisi, Deb P.; Lang, Friederike; Neal, Andrew L.; Stutter, Marc; Almeida, Danilo Silva; Bol, Roland; Cabugao, K. G. M.; Celi, Luisella; Cotner, James B.; Feng, Gu; Goll, Daniel S.; Hallama, Moritz; Krueger, Jeffrey; Plassard, Claude; Rosling, Anna; Darch, Tegan; Fraser, Tandra D.; Giesler, Reiner; Richardson, Alan; Tamburini, F.; Shand, C. A.; Lumsdon, David G.; Zhang, H.; Blackwell, Martin; Wearing, Catherine; Mezeli, Malika M.; Almås, Åsgeir R.; Audette, Yuki; Bertrand, Isabelle; Beyhaut, Elena; Boitt, Gustavo; Bradshaw, N.; Brearley, Charles A.; Bruulsema, Tom W.; Ciais, Philippe; Cozzolino, Vincenza; Durán, Paola; Mora, Marı́a de la Luz; Menezes, Alexandre B. de; Dodd, Rosalind; Dunfield, Kari E.; Engl, Christoph; Frazão, Joaquim José; Garland, Gina; Jiménez, José; Graça, Jessica; Granger, Steven J.; Harrison, A. F.; Heuck, Christine; Hou, Enqing; Johnes, Penny J; Kaiser, Klaus; Kjær, Helle Astrid; Klumpp, Erwin; Lamb, Angela L.; Macintosh, Katrina A.; Mackay, Eleanor B.; McGrath, John W.; McIntyre, Catherine; McLaren, Timothy I.; Mészáros, Éva; Missong, Anna; Mooshammer, Maria; Negrón, C. P.; Nelson, Lee-Ann; Pfahler, Verena; Poblete-Grant, Patricia; Randall, M.; Seguel, Alex; Seth, Kritarth; Smith, Andrew; Smits, Mark M.; Sobarzo, J. A.; Spohn, Marie; Tawaraya, Keitaro; Tibbett, Mark; Voroney, Paul; Wallander, Håkan; Wang, L.; Wasaki, Jun; Haygarth, P. M.

doi:10.1007/s11104-017-3391-x

Cited by 156 publications

(96 citation statements)

References 107 publications

(124 reference statements)

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“…sugarphosphates, inositol-phosphates) or phosphate diesters (e.g. nucleic acids, phospholipids), can represent a great proportion of the total soil P (reviewed in George et al, 2018). Unlike organic N, the capability of ECM fungi to take up intact mono-or diesters has not been demonstrated so far experimentally.…”

Section: Mobilization Of Soil N/p By Ecm Fungimentioning

confidence: 99%

Nitrogen and phosphate metabolism in ectomycorrhizas

Nehls

Plassard

2018

New Phytologist

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1047 I. Introduction 1047 II. Mobilization of soil N/P by ECM fungi 1048 III. N/P uptake 1048 IV. N/P assimilation 1049 V. N/P storage and remobilization 1049 VI. Hyphal N/P efflux at the plant-fungus interface 1052 VII. Conclusion and research needs 1054 Acknowledgements 1055 References 1055 SUMMARY: Nutrient homeostasis is essential for fungal cells and thus tightly adapted to the local demand in a mycelium with hyphal specialization. Based on selected ectomycorrhizal (ECM) fungal models, we outlined current concepts of nitrogen and phosphate nutrition and their limitations, and included knowledge from Baker's yeast when major gaps had to be filled. We covered the entire pathway from nutrient mobilization, import and local storage, distribution within the mycelium and export at the plant-fungus interface. Even when nutrient import and assimilation were broad issues for ECM fungi, we focused mainly on nitrate and organic phosphorus uptake, as other nitrogen/phosphorus (N/P) sources have been covered by recent reviews. Vacuolar N/P storage and mobilization represented another focus point of this review. Vacuoles are integrated into cellular homeostasis and central for an ECM mycelium at two locations: soil-growing hyphae and hyphae of the plant-fungus interface. Vacuoles are also involved in long-distance transport. We further discussed potential mechanisms of bidirectional long-distance nutrient transport (distances from millimetres to metres). A final focus of the review was N/P export at the plant-fungus interface, where we compared potential efflux mechanisms and pathways, and discussed their prerequisites.

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Section: Mobilization Of Soil N/p By Ecm Fungimentioning

confidence: 99%

Nitrogen and phosphate metabolism in ectomycorrhizas

Nehls

Plassard

2018

New Phytologist

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“…The annual rate of mineralization was higher (7.7 to 8.5 kg P ha −1 ) where soils had been plowed out from permanent grass or as much as 100 t ha −1 of farmyard manure (FYM) had been applied. As a consequence of these very small rates of organic P mineralization, and organic P not being determined in most methods used in routine soil analysis for plant‐available P, research at Rothamsted had mainly focused on inorganic P. However, the role of organic P in agriculture and the wider environment is still much debated (George et al, 2018). …”

Section: Long‐term Experiments† At Rothamsted Hertfordshire Woburnmentioning

confidence: 99%

Phosphorus in Agriculture: A Review of Results from 175 Years of Research at Rothamsted, UK

Johnston

Poulton

2019

J of Env Quality

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Insight into the role of phosphorus (P) in soil fertility and crop nutrition at Rothamsted, UK, and its involvement in associated environmental issues, has come from long‐term field experiments initially started by J. B. Lawes in 1843 and continued by others, together with experiments on different soils. Results from the 1940s confirmed that residues of P applied in fertilizers and manures build up reserves of P in soil. There is a strong relationship between crop yield and plant‐available P (Olsen P), and a critical level of Olsen P can be determined. For soils near the critical level, P‐use efficiency is high when the P applied and offtake by the crop is nearly equal. Soil inorganic P is associated with various soil components and is held there with a range of bonding energies so that when no P is applied, the decline in Olsen P follows a smooth curve. We conceptualize inorganic soil P as being in four pools of vastly varying size, availability for uptake, and extractability by reagents used in routine soil analysis, and with reversible transfer of P between pools. For very disparate soils at Rothamsted and in the United States, there is a strong relationship between the change in Olsen P and P removal/input ratios, suggesting an underlying similarity in inorganic P behavior. Maintaining soil near the critical level should optimize yield and the use of the global P resource while minimizing the risk of transfer of large amounts of P to the aquatic environment. Core Ideas Lawes started long‐term experiments on P in the 1840s. Insights into role of P in soil fertility and crop growth comes from field experiments. P residues build up a reserve of plant‐available P. Olsen's method is used to establish critical level of available P in soil for optimum yield. Inorganic P transfers between 4 pools of different size/extractability/availability.

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“…E-mail: p.haygarth@lancaster.ac.uk This paper was invited for the 70th Anniversary of the British Society of Soil Science and was received on 13 November 2017; revised version accepted 13 November 2017 and proportions of phosphorus that exist in soil vary enormously, but typically include both organic and inorganic forms. A comprehensive multiple-author review paper from this meeting has been published recently (George et al, 2017). Despite this, the study and utilization of organic phosphorus is neglected in relation to inorganic forms.…”

Section: Introductionmentioning

confidence: 99%

“…The opportunity to write this paper arose when we met together for the first time at this workshop. A comprehensive multiple-author review paper from this meeting has been published recently (George et al, 2017). In contrast, our intention here is to provide a more opinion-based paper on organic phosphorus research, approached through the collaborative discussion between three generations of soil phosphorus researchers whose collective research experience spans almost 50 years.…”

Section: Introductionmentioning

confidence: 99%

On the history and future of soil organic phosphorus research: a critique across three generations

Haygarth

Harrison

Turner

2018

European J Soil Science

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Summary Soil organic phosphorus has broad agronomic and ecological significance, but remains a neglected topic of research. This opinion paper reflects a collaborative discussion between three generations of scientists who have collectively studied soil organic phosphorus for almost 50 years. We discuss personal reflections on our involvement in the field, opinions about progress and promising opportunities for future research. We debate an apparent overemphasis on analytical methodology at the expense of broader questions, and whether this has stifled progress in recent decades. We reiterate the urgent need to understand organic phosphorus cycling in the environment to address fundamental questions about phosphate supply, crop nutrition, water quality and ecosystem ecology. We also contend that we must encourage and integrate the study of organic phosphorus across all scales, from molecular chemistry to global cycling. Our discussion among three generations of researchers shows the value of a long‐term perspective, emphasizes the changing nature of this field of research, and reinforces the importance of continuing to be curious about the dynamics of organic phosphorus in the environment. Highlights Critical evaluation of the current state of soil organic phosphorus research Collective views of three researchers whose careers span 50 years Research is driven by analytical development, but will benefit from broader conceptual approaches We emphasize the value of long‐term and broad‐scale perspectives on this important research topic

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Organic phosphorus in the terrestrial environment: a perspective on the state of the art and future priorities

Cited by 156 publications

References 107 publications

Nitrogen and phosphate metabolism in ectomycorrhizas

Nitrogen and phosphate metabolism in ectomycorrhizas

Phosphorus in Agriculture: A Review of Results from 175 Years of Research at Rothamsted, UK

On the history and future of soil organic phosphorus research: a critique across three generations

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