Exploring the limitations of first-order kinetics (FOK) in modelling net N

by | May 20, 2021 | Posters for INI2021, Posters for INI2021 – 2b. Optimizing the efficiency of nitrogen use in crop production | 0 comments

Exploring the limitations of first-order kinetics (FOK) in modelling net N

  • Catch crops are effective at reducing N leaching in agriculture. • Mineralization of N influences soil fertility and N leaching over winter. • Plant residue N mineralization depends strongly on soil temperature.

 

  •  Organic matter turnover in soil is often modelled as a 1st-order kinetics process in cropping models (APSIM, Daisy, HERMES, etc.).

 

  • Plant residue N mineralization depends
    strongly on soil temperature.

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