摘要：Reduced-till (RT) is compared to no-till (NT) on a western Kansas farm using elevated crop residue levels and higher intensity opportunity cropping. Per acre expenses, net revenue and risk are determined with and without opportunity cropping. NT opportunity cropping is more profitable than RT eco-fallow using corn; however, risks and expenses are greater. Higher intensity NT cropping, with intensity decreased when soil moisture at planting is inadequate, increased net revenue and risk.
