Plant and soil responses to biosolids application following forest fire

Journal of Environmental Quality
V F MeyerA L Miller

Abstract

Soil stability and revegetation is a great concern following forest wildfires. Biosolids application might enhance revegetation efforts and enhance soil stability. In May 1997, we applied Metro Wastewater Reclamation District (Denver, CO, USA) composted biosolids at rates of 0, 5, 10, 20, 40, and 80 Mg ha(-1) to a severely burned, previously forested site near Buffalo Creek, CO to improve soil C and N levels and help establish eight native, seeded grasses. The soils on the site belong to the Sphinx series (sandy-skeletal, mixed, frigid, shallow Typic Ustorthents). Vegetation and soils data were collected for four years following treatment. During the four years following treatment, total plant biomass ranged from approximately 50 to 230 g m(-2) and generally increased with increasing biosolids application. The percentage of bare ground ranged from 4 to 58% and generally decreased with increasing biosolids rate. Higher rates of biosolids application were associated with increased concentrations of N, P, and Zn in tissue of the dominant plant species, streambank wheatgrass [Elymus lanceolatus (Scribn. & J.G. Sm) Gould subsp. lanceolatus], relative to the unamended, unfertilized control. At two months following biosolids applicati...Continue Reading

Citations

Feb 26, 2013·The Science of the Total Environment·Ramya ThangarajanAnitha Kunhikrishnan
Aug 13, 2008·Rapid Communications in Mass Spectrometry : RCM·S J González-PrietoT Carballas
May 20, 2010·Water Environment Research : a Research Publication of the Water Environment Federation·Michael J McFarlandRobert B Brobst
Aug 8, 2017·Journal of Environmental Quality·María Jesús Gutiérrez-GinésRoger McLenaghen
Jul 20, 2018·The Science of the Total Environment·Badr Alaoui-SosséLotfi Aleya

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