Thesiss

A series of field experiments on soybean and corn was conducted at the Agronomy and Agricultural Engineering Research Center near Boone, Iowa during 1996 and 1997. Growth chamber experiments on rapeseed germination and establishment were also conducted in 1998. Objectives of the…

Seed bed preparation and soil management history are thought to have a large impact on the efficacy of mechanical cultivation, but limited information is available on the mechanisms of these effects. In field trials, we tested how pre-plant bed preparation, historic compost use,…