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| From 1991 to 1995, 29 Practical Farmers of Iowa research
cooperators carried
out more than 140 replicated on-farm trials in a project focused on using ridge tillage to accomplish sustainable agriculture goals,
from nutrient and pesticide management, to weed management and overall
profitability. Click on the individual charts above for full-size graphics and
details of this research, or use the list below.
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