There was a considerable amount of tillage activity during fall 2001 in different parts of the state, which suggests that we have a long way to go in adopting conservation tillage practices. In 1999, a survey of 340 corn and soybean producers in 19 Iowa counties was conducted by the Iowa Resources Management Partnership, established in 1999 as an informal partnership of private and public organizations promoting and addressing issues related to conservation tillage in Iowa.
Iowa State University
Al-Kaisi, Mahdi and Reicosky, Daniel C., "Do I need to till my soil?" (2002). Integrated Crop Management News. 1841.
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