Fertility
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2020 Long-Term Cropping Systems Study
- Yield results from the 2019 trial.
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2010 Row Crop Performance with Tillage Systems and Placement of Fertilizer
- A study looking at soybean, sunflower, corn, and dry bean performance with tillage and fertilizer placement.
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2009-05 Row Crop Performance with Tillage Systems and Placement of Fertilizer
- The results from a multiple year experiment (2005-09) at the Carrington Research Extension Center to test row crop performance with tillage systems and placement of fertilizer.
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2009 Sunflower Performance with Tillage Systems and Fertilizer Placement
- The results from a 2009 experiment at the Carrington Research Extension Center to test sunflower performance with tillage systems and fertilizer placement.
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2008 Sunflower Response to Nitrogen
- The results from a 2008 experiment at the Carrington Research Extension Center to test sunflower response to nitrogen.
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2008 Sunflower Performance with Tillage Systems and Fertilizer Placement
- The results from a 2008 experiment at the Carrington Research Extension Center to test sunflower performance with tillage systems and fertilizer placement.
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2008 Soil Nitrogen and Organic Matter Response Over Three Years to a Single Application of Manure or Commercial Nitrogen Fertilizer
- The results from a multiple year study (2005 to 08) at the Carrington Research Extension Center to test soil nitrogen and organic matter response over 3 years to a single application of manure or commercial nitrogen fertilizer.
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2007 Long-term Cropping Systems
- A study to determine the effects of tillage system, N fertility level, and crop rotation on crop yield and quality, biomass production, and changes in soil quality.
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1999 Response of Sunflower to Nitrogen Fertilizer
- The results from a 1999 experiment at the Carrington Research Extension Center to test the response of sunflower to nitrogen fertilizer.
