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Perennial Forages as Second Generation Bioenergy Crops

Permanent URL:
http://handle.nal.usda.gov/10113/21398
Abstract:
The lignocellulose in forage crops represents a second generation of biomass feedstock for conversion into energy-related end products. Some of the most extensively studied species for cellulosic feedstock production include forages such as switchgrass (Panicum virgatum L.), reed canarygrass (Phalaris arundinacea L.), and alfalfa (Medicago sativa L.). An advantage of using forages as bioenergy crops is that farmers are familiar with their management and already have the capacity to grow, harvest, store, and transport them. Forage crops offer additional flexibility in management because they can be used for biomass or forage and the land can be returned to other uses or put into crop rotation. Estimates indicate about 22.3 million ha of cropland, idle cropland, and cropland pasture will be needed for biomass production in 2030. Converting these lands to large scale cellulosic energy farming could push the traditional forage-livestock industry to ever more marginal lands. Furthermore, encouraging bioenergy production from marginal lands could directly compete with forage-livestock production.
Author(s):
Sanderson, Matt A. , Adler, Paul R.
Subject(s):
bioenergy , forage crops , perennials , biomass , lignocellulose , Panicum virgatum , forage grasses , Phalaris arundinacea , alfalfa , Medicago sativa , crop rotation , crop acreage , ethanol , environmental impact , energy balance , livestock production , agricultural land
Format:
p. 768-788.
Note:
Includes references
Source:
International journal of molecular sciences 2008 May, v. 9, issue 5
Language:
English
Year:
2008
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
File:
Download [PDF File]
Rights:
Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.