Livestock barns with shelterbelts around them smell better because they look better, says Iowa University researcher
Intensive livestock operations are tremendously efficient at converting grain into meat. But all those animals gorging themselves under one roof generate a lot of odoriferous byproducts. Shelterbelts, known in academic circles as vegetative environmental buffers (VEB), can help such operations stay on friendly terms with neighbours downwind by trapping and dispersing odours. What’s more, beautifying
