• Extension Publications
• Newsletter Articles
• Conference Proceedings and Reports
• Abstracts
• Photo Gallery
• Presentations
• Links

Extension Publications (pdf)

• Applying Fertilizer and Lime to CRP Land
• PM 1688 A General Guide for Crop Nutrient and Limestone Recommendations in Iowa
• PM 1310 Interpretation of Soil Test Results
• PM 1714 Nitrogen Fertilizer Recommendations for Corn in Iowa
• NMEP 8 Nutrient Management Plan
• NMEP 6 Crop Yields
• NMEP 4 Residue Management
• NMEP 11 Conservation Practices

Newsletter Articles

• Nutrient removal when harvesting corn stover (8/6/2007)
• Carbon and nitrogen cycling with corn biomass harvest (8/6/2007)
  
• High prices and tight supply make tough fertilization decisions (10/2004)
• Crop rotation considerations for 2004 management season (12/2003)
• Drought impacts on soil fertility management (10/2003)
• Watershed-scale phosphorus management (7/2001)
• Dry fall leads to field fires (10/2000)
• Estimating losses when cornstalk fields are accidently burnt (4/2000)
• Improving soil fertility management (3/1997)

Conference Proceedings and Reports

• Mallarino, A.P. 2004. On-farm implementation of the phosphorus index: Observed risk ratings and impacts on fertilizer and manure phosphorus management. p. 145-152. In The Integrated Crop Management Conf. Proceedings. Dec. 1-3, Ames, IA. Iowa State Univ. Extension. (pdf)
• Mallarino, A.P. 2003. Using the Iowa phosphorus index for agronomic and environmental management of fertilizer and manure phosphorus. p. 121-126. In The Integrated Crop Management Conf. Proceedings. Dec. 3-4, Ames, IA. Iowa State Univ. Extension. (pdf)
• Sawyer, J.E. 2004. With high fertilizer prices is it business as usual or should fertilization practices change? p. 163 - 176. In Proc. 16th Annual Integrated Crop Manag. Conf., Ames , IA. 1-2 Dec. 2004. Iowa State Univ., Ames , IA.
• Sawyer, J.E. 1999. Making every fertilizer dollar pay. p. 63-78. In Proc. Integrated Crop Manag. Conf., Ames, IA. 1-2 Dec. Iowa State Univ., Ames, IA. (pdf)

Abstracts

• Mallarino, A.P, and D.J. Wittry. 2004. On-Farm implementation of the Iowa Phosphorus Index to guide manure application. Agron. Abs. CD-ROM. ASA-CSSA-SSSA. Madison, WI.
• Mallarino, A.P. 2002. Using variable-rate technology and the phosphorus index for agronomic and environmental phosphorus management at a field level. Agron. Abs. CD-ROM. ASA-CSSA-SSSA, Madison, WI.

Presentations

• Nutrient Management in Crop Production (3/1999) (pdf)

Links

• Iowa NRCS Nutrient Management Planning Tools
• Iowa NRCS Conservation Practice Standard 590 - Nutrient Management
• Iowa NRCS Phosphorus Index
• Iowa Department of Natural Resources, Animal Feeding Operations
• Iowa Soil and Land Use Information

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