Agronomic and Economic Performance Characteristics of Conventional and Low-External-Input Cropping Systems in the Central Corn Belt

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Diverse Approaches to Herbicide-Resistant Weed Management (2016, background): “Although there are benefits to more diverse systems, labor requirements can be a greater barrier to adoption despite profit opportunities similar to less diverse systems, less reliance on herbicides, and improved energy efficiencies (Table 2) (Davis et al. 2012; Liebman et al. 2008).”
Tillage and Crop Rotation Effects on Corn Agronomic Response and Economic Return at Seven Iowa Locations (2015, unknown): “…with those found in Illinois (Gentry et al., 2013), Minnesota (Porter et al., 1997; Porter et al., 2003), Wisconsin (Pedersen and Lauer, 2003), Pennsylvania (Grover et al., 2009), Iowa (Liebman et al., 2008; Karlen et al., 2013), Nebraska (Peterson and Varvel, 1989), and Indiana (Vyn et al., 2000).”
Increasing Cropping System Diversity Balances Productivity, Profitability and Environmental Health (2012, background): “[39] and in the online SI materials (Text S1).”