Switchgrass (panicum virgatum L.), a viable option for second-generation renewable fuels, has an extended harvest window with optimal harvest affected by yield, storage losses and nutrient uptake. This research shows that optimal harvest occurs later than maximum yield for Haskell, OK and...

A spreadsheet-based tool that tracks cow-calf producer net returns (NR) and greenhouse gas (GHG) emissions was used to determine the impact of calving season for three typical farm sizes and four fertilization strategies in Arkansas. Economic and environmental changes were examined for spring,...

Concern over GHG emissions has producers analyzing cattle production alternatives. One way producers can modify emissions is by changing herd sire genetics. The ‘Bull Estimator’, part of a recently developed cow-calf profitability and GHG spreadsheet tool, shows that genetic change can...

This is a decision teaching case study, where the Program Manager, Michigan Agriculture Environmental Assurance Program (MAEAP) is faced with the problem of determining the future direction of the MAEAP going forward from 2010. During the case discussion students should be able to: 1. Identify...