1000 resultados para Aloituskysely 2006
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Weekly newsletter for Center For Acute Disease Epidemiology of Iowa Department of Public Health.
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Monthly newsletter for the Iowa Department of Public Health
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Monthly newsletter for the Iowa Department of Public Health
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Nitrogen (N) is typically one of the largest corn fertilization expenses. Nitrogen application is critical because it signifi cantly improves corn yield in many crop rotations. When choosing N rates, producers need to carefully consider both achieving most profi table economic return and advancing environmental stewardship. In 2004, university agronomists from the Corn Belt states began discussions regarding N rate use for corn production. The reasons for the discussions centered on apparent differences in methods for determining N rates across states, misperceptions regarding N rate guidelines, and concerns about application rates as corn yields have climbed to historic levels. An outcome of those discussions was an effort with the objectives to: ▪ develop N rate guidelines that could be applicable on a regional basis and ▪ identify the most profi table fertilizer N rates for corn production across the Corn Belt. This publication provides an overview of corn N fertilization in regard to rate of application, investigates concepts for determining economic application rates, and describes a suggested regional approach for developing corn N rate guidelines directly from recent research data.
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Record of the Fatalities for Motor Vehicle Accidents in Iowa per week.
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Weekly newsletter for Center For Acute Disease Epidemiology of Iowa Department of Public Health.
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Quarterly State Library Update for patrons.
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Weekly Newsletter
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Weekly Newsletter
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Weekly Newsletter
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Weekly Newsletter
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Weekly Newsletter
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City Audit Report
