Accelerating the development of biological nitrification inhibition as a viable nitrous oxide mitigation strategy in grazed livestock systems

A - Papers appearing in refereed journals

De Klein, C. A., Bowatte, S., Simon, P. L., Arango, J., Cardenas, L. M., Chadwick, D. R., Pijlman, J., Rees, R. M., Richards, K. G., Subbarao, G. V. and Whitehead, D. 2022. Accelerating the development of biological nitrification inhibition as a viable nitrous oxide mitigation strategy in grazed livestock systems. Biology And Fertility Of Soils. 58, p. 235–240. https://doi.org/10.1007/s00374-022-01631-2

AuthorsDe Klein, C. A., Bowatte, S., Simon, P. L., Arango, J., Cardenas, L. M., Chadwick, D. R., Pijlman, J., Rees, R. M., Richards, K. G., Subbarao, G. V. and Whitehead, D.
Abstract

This position paper summarizes the current understanding of biological nitrification inhibition (BNI) to identify research needs for accelerating the development of BNI as a N2O mitigation strategy for grazed livestock systems. We propose that the initial research focus should be on the systematic screening of agronomically desirable plants for their BNI potency and N2O reduction potential. This requires the development of in-situ screening methods that can be combined with reliable N2O emission measurements and microbial and metabolomic analyses to confirm the selective inhibition of nitrification. As BNI-induced reductions in N2O emissions can occur by directly inhibiting nitrification, or via indirect effects on other N transformations, it is also important to measure gross N transformation rates to disentangle these direct and indirect effects. However, an equally important challenge will be to discern the apparent influence of soil N fertility status on the release of BNIs, particularly for more intensively managed grazing systems

KeywordsBNI ; Animal urine; Livestock systems; Nitrous oxide; Research priorities
Year of Publication2022
JournalBiology And Fertility Of Soils
Journal citation58, p. 235–240
Digital Object Identifier (DOI)https://doi.org/10.1007/s00374-022-01631-2
Open accessPublished as ‘gold’ (paid) open access
FunderBiotechnology and Biological Sciences Research Council
Publisher's version
Accepted author manuscript
Output statusPublished
Publication dates
Online17 Mar 2022
Publication process dates
Accepted25 Mar 2022
PublisherSpringer
ISSN0178-2762

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