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Genotypic variation in maize influences rates of soil organic matter mineralisation and gross nitrification

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  • UserDr Lumbani Mwafulirwa, Research Associate, Department of Plant Sciences and Visiting Postdoctoral Researcher, NIAB
  • ClockWednesday 27 April 2022, 10:30-11:30
  • HouseOnline.

If you have a question about this talk, please contact Katherine Maltby.

Plant species and genotypes vary with respect to the degree to which they mediate soil organic matter mineralisation. For example, as a consequence of rhizodeposition amount and composition shaping rhizosphere microbial community structure and increasing microbial activities, including mineralisation of soil organic matter. A consequence of soil organic matter mineralisation is the mobilisation of ammonium and subsequent nitrification, both providing N available for plant uptake. Therefore, there is the potential for manipulating these root-soil interactions through breeding to help meet soil nitrogen supply in cropping systems, especially in low input systems of tropical and subtropical areas.

Lumbani will discuss these results and their implications for breeding, soil organic matter/nutrient management and sustainable production. Then, will discuss his future research interests to build on these findings. Lumbani will also introduce our current work on wheat in my new postdoc with Dr Stephanie Swarbreck at NIAB and Prof Andrew Tanentzap at the University of Cambridge.

Due to having to go online, we are restricting the talks to University of Cambridge and alumni to keep them as informal as possible.

Contact reception@plantsci.cam.ac.uk for a Zoom link prior to a talk if you are not on our mailing list.

This talk is part of the Plant Sciences Departmental Seminars series.

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