Progressively decreased nitrogen-stimulation of soil phosphatase activity with long-term nitrogen addition

Ji Chen; Daryl L. Moorhead

doi:10.1016/j.apsoil.2021.104213

Progressively decreased nitrogen-stimulation of soil phosphatase activity with long-term nitrogen addition

Ji Chen^*, Daryl L. Moorhead

^*Corresponding author af dette arbejde

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Kommentar/debat/letter to the editor › Forskning › peer review

Abstract

Enhanced anthropogenic nitrogen (N) addition has not been matched by increased phosphorus (P) inputs, leading to widespread P limitation of net primary productivity (NPP). Will ecosystems increasingly be limited by P with continued N addition? No consensus has been reached. Using soil phosphatase activity as an indicator of P limitation, Chen et al. (2020) provided a conceptual framework indicating that N-induced P limitation of NPP acclimates to long-term N addition. Thus, P limitation of NPP with long-term N addition may not be as strong as observed in short-term studies. We are writing this letter to recognize the recent relevant work by Vourlitis et al. (2021a) in Applied Soil Ecology. Their long-term continuous observations provide the first direct evidence supporting this framework. Without this framework, Earth System Models may underestimate ecosystem CO₂ sequestration capacity with ongoing enhanced N addition. This framework may also be useful to optimize P management in agroecosystems.

Originalsprog	Engelsk
Artikelnummer	104213
Tidsskrift	Applied Soil Ecology
Vol/bind	169
Antal sider	3
ISSN	0929-1393
DOI	https://doi.org/10.1016/j.apsoil.2021.104213
Status	Udgivet - jan. 2022

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title = "Progressively decreased nitrogen-stimulation of soil phosphatase activity with long-term nitrogen addition",

abstract = "Enhanced anthropogenic nitrogen (N) addition has not been matched by increased phosphorus (P) inputs, leading to widespread P limitation of net primary productivity (NPP). Will ecosystems increasingly be limited by P with continued N addition? No consensus has been reached. Using soil phosphatase activity as an indicator of P limitation, Chen et al. (2020) provided a conceptual framework indicating that N-induced P limitation of NPP acclimates to long-term N addition. Thus, P limitation of NPP with long-term N addition may not be as strong as observed in short-term studies. We are writing this letter to recognize the recent relevant work by Vourlitis et al. (2021a) in Applied Soil Ecology. Their long-term continuous observations provide the first direct evidence supporting this framework. Without this framework, Earth System Models may underestimate ecosystem CO2 sequestration capacity with ongoing enhanced N addition. This framework may also be useful to optimize P management in agroecosystems.",

keywords = "Mobilization, Nitrogen addition, Phosphorus limitation, Phosphorus-acquisition efficiency, Plant functional traits, Resorption, Soil microorganism, Soil phosphatase activity",

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year = "2022",

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doi = "10.1016/j.apsoil.2021.104213",

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journal = "Applied Soil Ecology",

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AU - Chen, Ji

AU - Moorhead, Daryl L.

PY - 2022/1

Y1 - 2022/1

N2 - Enhanced anthropogenic nitrogen (N) addition has not been matched by increased phosphorus (P) inputs, leading to widespread P limitation of net primary productivity (NPP). Will ecosystems increasingly be limited by P with continued N addition? No consensus has been reached. Using soil phosphatase activity as an indicator of P limitation, Chen et al. (2020) provided a conceptual framework indicating that N-induced P limitation of NPP acclimates to long-term N addition. Thus, P limitation of NPP with long-term N addition may not be as strong as observed in short-term studies. We are writing this letter to recognize the recent relevant work by Vourlitis et al. (2021a) in Applied Soil Ecology. Their long-term continuous observations provide the first direct evidence supporting this framework. Without this framework, Earth System Models may underestimate ecosystem CO2 sequestration capacity with ongoing enhanced N addition. This framework may also be useful to optimize P management in agroecosystems.

AB - Enhanced anthropogenic nitrogen (N) addition has not been matched by increased phosphorus (P) inputs, leading to widespread P limitation of net primary productivity (NPP). Will ecosystems increasingly be limited by P with continued N addition? No consensus has been reached. Using soil phosphatase activity as an indicator of P limitation, Chen et al. (2020) provided a conceptual framework indicating that N-induced P limitation of NPP acclimates to long-term N addition. Thus, P limitation of NPP with long-term N addition may not be as strong as observed in short-term studies. We are writing this letter to recognize the recent relevant work by Vourlitis et al. (2021a) in Applied Soil Ecology. Their long-term continuous observations provide the first direct evidence supporting this framework. Without this framework, Earth System Models may underestimate ecosystem CO2 sequestration capacity with ongoing enhanced N addition. This framework may also be useful to optimize P management in agroecosystems.

KW - Mobilization

KW - Nitrogen addition

KW - Phosphorus limitation

KW - Phosphorus-acquisition efficiency

KW - Plant functional traits

KW - Resorption

KW - Soil microorganism

KW - Soil phosphatase activity

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AN - SCOPUS:85114406258

SN - 0929-1393

VL - 169

JO - Applied Soil Ecology

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ER -

Progressively decreased nitrogen-stimulation of soil phosphatase activity with long-term nitrogen addition

Abstract

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