Page 52 - La Agroforestería frente a la Agenda 2030 para el Desarrollo Sostenible

Potential of windbreak

trees to reduce carbon

emissions by agricultural

operations in the U.S.

William Ballesteros Possú , James Brandle R. , Along with sequestering carbon (C) in forest, trees on crop area for field windbreaks, while emission avoidance
1*
2
Michel Schoeneberger 3
farms are able to contribute to greenhouse mitigation for farmstead windbreaks were assumed to provide a 10%
1 Universidad de Nariño through emission avoidance mechanisms. To evaluate and 25% reduction in energy usage for space conditioning
the magnitude of these contributions, emission avoidance and heating, respectively. Total reduction of C equivalent
2 University of Nebraska contributions for field and farmstead windbreak designs (CE) emissions by windbreaks on farm systems ranged
−1
3 United States Department of Agriculture, Forest in regions across the United States were estimated, along from a low of 0.9 Mg CE year for a 60-ha farm (0,02 Mg
−1
-1
Service, National Agroforestry Center with greenhouse gas (GHG) emission budgets for corn, CE ha year ) with a home built before 2000 to 39.1 Mg
soybean, winter wheat, and potato operations. We looked CE year for a 600-ha farm (0,07 Mg CE ha year ) with a
−1
-1
−1
*e-mail: [email protected] at farming scenarios with large (600 ha), mid (300 ha), and home built after 2000. By reducing fossil fuel usage from
small-size (60 ha) farms containing farmsteads built before farm operations, windbreaks provide a promising strategy
Key-words: Agroforestry; carbon storage; and after 2000, and growing different cropping systems. for reducing GHG emissions from agriculture in the USA.
energy savings; farmstead windbreak trees; Windbreak scenarios were assumed to be up to 5% of the
greenhouse gas emissions.

Sponsoring institutions: Universidad de
Nariño; University of Nebraska; United States
Department of Agriculture, Forest Service,
National Agroforestry Center; Fulbright.