title: Agriculture: Comparing apples with oranges.
authors.forename: John P
authors.initials: JP
authors.lastname: Reganold
authors.forename: Achim
authors.initials: A
authors.lastname: Dobermann
mesh_terms: D000383:Agriculture / Q000379:methods*; D000818:Animals; D018533:Biomass; D003247:Conservation of Natural Resources / Q000379:methods*; D005523:Food Supply / Q000706:statistics & numerical data*; D006801:Humans; D058871:Organic Agriculture / Q000379:methods*