Forage productivity is resilient to timing of post-wildfire defoliation in mixed-grass Prairie

Author:

Bischoff Brendan K.1,Bork Edward W.1,Carlyle Cameron N.1

Affiliation:

1. Department of Agricultural, Food and Nutritional Science, University of Alberta. Edmonton, AB T6G 2P5, Canada

Abstract

Post-fire rangeland management recommends rest from grazing to allow forage regrowth and litter accumulation. In the first year after wildfire in the mixed-grass Prairie, we examined forage and litter mass responses to variable timing of defoliation in burned and non-burned areas. Total forage biomass did not differ between burned and non-burned areas by the second growing season. The July defoliation in both burned and non-burned areas reduced total forage biomass. Litter mass was decreased by wildfire and was further reduced by all defoliation treatments.

Funder

Government of Alberta

Publisher

Canadian Science Publishing

Subject

Horticulture,Plant Science,Agronomy and Crop Science

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