![]() Climate benefit of aboveground biomass can be reduced by fuel market rebound effect.Soil and root C storage rates tend to be higher in high-diversity species mixtures.Soil and root C storage was found to be key to GHG reductions of biofuels.Perennial grasses grown on degraded and abandoned cropland were analyzed. ![]() To effectively mitigate greenhouse gas emissions, we should focus on increasing belowground carbon storage and explore the potential benefits of high-diversity plant species mixtures. State of the Workplace Financial Benefits Study. 210611- 1104497 We do not charge a fee when you request a replacement. If you have a complaint about a prepaid account, call the Consumer Financial Protection Bureau at 1-85 or visit /complaint. Because of high soil and root C storage rates (152-483 g CO 2 ha -2 yr -1), many treatments are carbon negative even without the fossil fuel displacement benefit. trends and investment outlooks, stay informed on the key developments shaping todays markets. For general information about prepaid accounts, visit /prepaid. Aboveground biomass yield ranged from 450-650 g ha -2 yr -1 for the productive treatments with moderate intensification, but its climate benefit via converting into biofuels and displacing fossil fuels can be substantially reduced by the rebound effect of fuel market. We find that soil and root carbon storage is a greater determinant of the climate change mitigation potential of biofuels than aboveground biomass, and tends to be higher for treatments with high plant diversity. Cropland with fertile soils can produce high aboveground biomass yields but its diversion to bioenergy causes greenhouse gas emissions from direct and indirect land use changes. Here, we analyze three grassland experiments that minimize land use changes by using abandoned and degraded agricultural land. Most bioenergy feedstock studies focus on maximizing aboveground biomass production.
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