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Abstract
Marginally productive land, such as that enrolled in the Conservation Reserve Program (CRP), may provide acreage and economic incentives for cellulosic energy production. Improving the yields from these lands will help establish a biomass producer's position in the marketplace. The effects of water and nitrogen on biomass yields were investigated in both a plot-scale experiment and a broad-scale survey of CRP lands. The plot-scale experiment demonstrated that irrigation improved mixed-species prairie biomass yields more than nitrogen fertilizer on coarse-textured, marginally productive soils. Experimental plots amended with both irrigation and moderate (but not high) nitrogen produced more biomass than other treatment combinations, but this trend was not statistically significant. The survey of biomass yields on CRP lands across four Midwestern States indicates that yields are better correlated with June rainfall than any other individual month. Applying nutrient-enriched water such as agricultural runoff could benefit prairie yields if applied at appropriate times.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Energy and conservation benefits from managed prairie biomass |
| Volume | 112 |
| Year Published | 2011 |
| Language | English |
| Publisher | Association of Applied Biologists |
| Contributing office(s) | Minnesota Water Science Center |
| Description | 4 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Biomass and energy crops IV |
| First page | 147 |
| Last page | 151 |
| Conference Title | Biomass and energy crops IV |
| Conference Location | Champaign, Illinois |
| Conference Date | September 21-23 2011 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |