Effects of nutrient (NPK) supply on sugar beet response to elevated atmospheric CO2

Authors

  • J. Wolf

DOI:

https://doi.org/10.18174/njas.v46i2.488

Abstract

To study interactions between nutrient supply and increased CO2 concentration in sugarbeet, plants were grown in pots for 4 months at ambient and doubled CO2 concentration and different levels of N, P or K. Doubling of ambient CO2 resulted in a moderate increase in total yield (+24%) and beet yield (+34%), however this CO2 effect disappeared with increasing nutrient shortage (in particular nitrogen). CO2 doubling did not result in significant changes in the minimum nutrient concentrations in leaves and beets.

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Published

1998-09-01

Issue

Vol. 46 No. 2 (1998)

Section

Papers

License

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