Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture

Abstract Modern crop production is characterized by high nitrogen (N) application rates, which can influence the co-limitation of harvested yield by other nutrients. Using a multidimensional niche volume concept and scaling exponents frequently applied in plant ecological research, we report that in...

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Autores principales:	Martin Weih, Hui Liu, Tino Colombi, Thomas Keller, Ortrud Jäck, Pernilla Vallenback, Anna Westerbergh
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d0c44021850f4ed5be5a69f471569252
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spelling	oai:doaj.org-article:d0c44021850f4ed5be5a69f4715692522021-12-02T13:41:22ZEvidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture10.1038/s41598-021-88588-82045-2322https://doaj.org/article/d0c44021850f4ed5be5a69f4715692522021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88588-8https://doaj.org/toc/2045-2322Abstract Modern crop production is characterized by high nitrogen (N) application rates, which can influence the co-limitation of harvested yield by other nutrients. Using a multidimensional niche volume concept and scaling exponents frequently applied in plant ecological research, we report that increased N and phosphorus (P) uptake in a growing wheat crop along with enhanced grain biomass is associated with more than proportional increase of other nutrients. Furthermore, N conversion efficiency and grain yield are strongly affected by the magnesium (Mg) to P ratio in the growing crop. We analyzed a field trial in Central Sweden including nine wheat varieties grown during two years with contrasting weather, and found evidence for Mg co-limitation at lower grain yields and P co-limitation at higher yields. We argue that critical concentrations of single nutrients, which are often applied in agronomy, should be replaced by nutrient ratios. In addition, links between plant P and Mg contents and root traits were found; high root number enhanced the P:N ratio, whilst steep root angle, indicating deep roots, increased the Mg:N ratio. The results have significant implications on the management and breeding targets of agriculturally grown wheat, which is one of the most important food crops worldwide.Martin WeihHui LiuTino ColombiThomas KellerOrtrud JäckPernilla VallenbackAnna WesterberghNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Martin Weih Hui Liu Tino Colombi Thomas Keller Ortrud Jäck Pernilla Vallenback Anna Westerbergh Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture
description	Abstract Modern crop production is characterized by high nitrogen (N) application rates, which can influence the co-limitation of harvested yield by other nutrients. Using a multidimensional niche volume concept and scaling exponents frequently applied in plant ecological research, we report that increased N and phosphorus (P) uptake in a growing wheat crop along with enhanced grain biomass is associated with more than proportional increase of other nutrients. Furthermore, N conversion efficiency and grain yield are strongly affected by the magnesium (Mg) to P ratio in the growing crop. We analyzed a field trial in Central Sweden including nine wheat varieties grown during two years with contrasting weather, and found evidence for Mg co-limitation at lower grain yields and P co-limitation at higher yields. We argue that critical concentrations of single nutrients, which are often applied in agronomy, should be replaced by nutrient ratios. In addition, links between plant P and Mg contents and root traits were found; high root number enhanced the P:N ratio, whilst steep root angle, indicating deep roots, increased the Mg:N ratio. The results have significant implications on the management and breeding targets of agriculturally grown wheat, which is one of the most important food crops worldwide.
format	article
author	Martin Weih Hui Liu Tino Colombi Thomas Keller Ortrud Jäck Pernilla Vallenback Anna Westerbergh
author_facet	Martin Weih Hui Liu Tino Colombi Thomas Keller Ortrud Jäck Pernilla Vallenback Anna Westerbergh
author_sort	Martin Weih
title	Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture
title_short	Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture
title_full	Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture
title_fullStr	Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture
title_full_unstemmed	Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture
title_sort	evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d0c44021850f4ed5be5a69f471569252
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Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture

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