Combining spectroscopic and isotopic techniques gives a dynamic view of phosphorus cycling in soil

J Helfenstein, F Tamburini, C von Sperber… - Nature …, 2018 - nature.com
Current understanding of phosphorus (P) cycling in soils can be enhanced by integrating
previously discrete findings concerning P speciation, exchange kinetics, and the underlying …

Reviews and syntheses: Ironing out wrinkles in the soil phosphorus cycling paradigm

CA McConnell, JP Kaye, AR Kemanian - Biogeosciences, 2020 - bg.copernicus.org
Soil phosphorus (P) management remains a critical challenge for agriculture worldwide, and
yet we are still unable to predict soil P dynamics as confidently as that of carbon (C) or …

Estimates of mean residence times of phosphorus in commonly considered inorganic soil phosphorus pools

J Helfenstein, C Pistocchi, A Oberson… - …, 2020 - bg.copernicus.org
Quantification of turnover of inorganic soil phosphorus (P) pools is essential to improve our
understanding of P cycling in soil–plant systems and improve representations of the P cycle …

Understanding soil phosphorus cycling for sustainable development: A review

J Helfenstein, B Ringeval, F Tamburini, VL Mulder… - One Earth, 2024 - cell.com
Soil phosphorus (P) directly impacts major sustainability outcomes, namely crop yields,
water quality, and carbon sequestration. Optimally managing P to improve sustainability …

[HTML][HTML] Dual isotopic (33P and 18O) tracing and solution 31P NMR spectroscopy to reveal organic phosphorus synthesis in organic soil horizons

MB Siegenthaler, TI McLaren, E Frossard… - Soil Biology and …, 2024 - Elsevier
Soil microorganisms can do both, mineralize and synthesize organic and condensed
phosphate (P) species. Whereas P mineralization has been extensively studied, few studies …

First measurements on triple oxygen isotopes of dissolved inorganic phosphate in the hydrosphere

T Sambuichi, U Tsunogai, M Ito… - … Science & Technology, 2023 - ACS Publications
Although dissolved inorganic phosphate (DIP) is an important nutrient in the hydrosphere, it
is difficult to quantitatively clarify the dynamics of DIP in the hydrosphere using the δ18O …

Soil phosphorus cycling is modified by carbon and nitrogen fertilization in a long‐term field experiment

Y Wang, SL Bauke, C von Sperber… - Journal of Plant …, 2021 - Wiley Online Library
Background and aims: Phosphorus (P) is an essential element for crop growth. However,
while links of P turnover in soils to carbon (C) and nitrogen (N) availability have been …

Nucleic acids are a major pool of hydrolyzable organic phosphorus in arable organic soils of Southern Ontario, Canada

A De Sena, CA Madramootoo, JK Whalen… - Biology and Fertility of …, 2022 - Springer
Soil organic phosphorus (P o) that is hydrolyzed by phosphatases into inorganic phosphate
is a source of phosphorus (P) for agricultural crops. However, the hydrolysis of P o …

A dual isotopic (32P and 18O) incubation study to disentangle mechanisms controlling phosphorus cycling in soils from a climatic gradient (Kohala, Hawaii)

MB Siegenthaler, F Tamburini, E Frossard… - Soil Biology and …, 2020 - Elsevier
Abstract Changes in the isotopic composition of oxygen associated with phosphate can
provide information on the impact of phosphatase activity on soil P dynamics, whereas the …

In or out of equilibrium? How microbial activity controls the oxygen isotopic composition of phosphate in forest organic horizons with low and high phosphorus …

C Pistocchi, É Mészáros, E Frossard… - Frontiers in …, 2020 - frontiersin.org
While there are estimates of the abiotic processes contribution to soil phosphorus (P)
availability, less is known about the contribution of biological processes. Two main …