Tillage and Cropping Systems
Extension Publications
- Agronomic and Soil Quality Trends Over Five Years of Different Tillage and Cropping Systems across Iowa. (pdf) Iowa Learning Farm 5 year research report. (Al-Kaisi and Oneal)
- Soil Erosion, Crop Productivity and Cultural Practices (pdf) PM 1870 (Mahdi Al-Kaisi)
- Impact of Tillage and Crop Rotation Systems on Soil Carbon Sequestration (pdf) PM 1871 (Mahdi Al-Kaisi)
- Resource Conservation Practices: Tillage Management and Soil Organic Matter (pdf) PM 1901i (Mahdi Al-Kaisi, Mark Hanna, Mark Licht)
- Resource Conservation Practices: Tillage, Manure Management and Water Quality (pdf) PM 1901h (Mahdi Al-Kaisi, Mark Licht)
- Resource Conservation Practices: Manure and Tillage Management (pdf) PM 1901g (Mahdi Al-Kaisi, Mark Hanna, Mark Licht)
- Resource Conservation Practices: Conservation Buffers and Water Quality (pdf) PM 1901f (Mahdi Al-Kaisi, Mark Hanna, Mark Licht)
- Resource Conservation Practices: Soil Erosion and Water Quality (pdf) PM 1901e (Mahdi Al-Kaisi, Mark Hanna, Mark Licht)
- Resource Conservation Practices: Understanding and Managing Soil Compaction (pdf) PM 1901b (Mark Hanna and Mahdi Al-Kaisi)
- Resource Conservation Practices: Consider the Strip-Tillage Alternative (pdf) PM 1901c (Mahdi Al-Kaisi and Mark Hanna)
- Resource Conservation Practices: Considerations in Selecting No-Till (pdf) PM 1901d (Mahdi Al-Kaisi, Xinhua Yin, Mark Hanna, Mike Duffy)
- Agricultural Nitrogen Management for Water Quality Protection in the Midwest. (pdf) Heartland Water Quality Bulletin, University of Nebraska Press, RP189 (Wortmann, C., M. Al-Kaisi, M. Helmers, J. Sawyer, D. Devlin, C. Barden, P. Scharf, R. Fergusen, W. Kranz, C. Shapiro, R. Spalding, D. Tarkalson, J. Holtz, and D. Francis)
Newsletter Articles
- Less Tillage for More Water in 2013 (9/21/2012)
- Dry Soil Conditions and Liquid Manure Application (8/15/2012)
- Early Corn Harvest and Residue Management this Fall (8/2/2012)
- Soil Moisture Conditions and Crop Water Use (6/29/2012)
- Conservation Practices Save Soil and Sustain Agriculture (5/14/2012)
- Conservation System Management Considerations (5/14/2012)
- Reduce Potential Soil Erosion Early in the Spring (4/30/2012)
- How Much Crop Residue to Remove (4/16/2012)
- Pay attention to Soil Crusting After Heavy Rain Events (4/16/2012)
- Management Considerations for Post Flooding Soils (11/7/2011)
- Managing Soil by the Inches (9/12/2011)
- Soil Management Decisions This Fall (9/12/2011)
- Spring is Time to Evaluate Field Grass Waterways (5/23/2011)
- Why Conservation Planning. (6/15/2011)
- Maximizing Yield Potential by Optimizing Soil Management Practices. (5/1/2011)
- How Does Soybean Yield Fare Following Corn. (2/25/2011)
- Land Roller Use: Challenges and Benefits. (1/3/2011)
- Fall Versus Spring Tillage, Which is Better. (9/23/2010)
- Leveling Soil for Planter Operation. (4/5/2010)
- Monitor Soil Moisture This Spring. (3/29/2010)
- How and Why to Avoid Soil Compaction. (3/29/2010)
- Soil Management and Extension Website Launched by Extension. (11/16/2009)
- Pay attention to soil crust after heavy rain. (5/4/09)
- Pay attention to soil crust after heavy rain. (5/4/09)
- No-till is better choice for soybean after corn.3/16/09)
- Moving to no-tillage: Challenges and opportunities. (3/5/09)
- Not too early to think about moisture conditions, consideration for soil compaction. (2/27/09)
- Making the right tillage management decision. (10/2/08)
- Plan for 2009 crop year by managing flooded soils. (8/11/08)
- Corn following corn in 2008. (7/3/08)
- Avoid unnecessary tillage in wet soil areas. (6/23/08)
- Heavy rain, soil erosion, and nutrient losses. (6/5/08)
- Consider effects on seedbed before tilling wet soil. (5/13/08)
- Managing Residue for a good stand. (4/2/08)
- How Soon Should I Start Field Operations? (3/12/2008)
- Conservation systems: Challenges and benefits. (10/1/07)
- Wet conditions: Challenges and opportunities. (5/7/07)
- Wet soils and potential compaction. (4/9/07)
- Tillage challenges in managing continuous corn. (2/12/07)
- Field soil variability and its impact on crop stand uniformity. (6/19/06)
- Is tillage needed for your soybean crop? (4/3/06)
- Why conservation systems are the right choice this fall. (10/10/05)
- The new Iowa interactive Soil Survey. (9/19/05)
- What lies ahead for CRP? (8/22/05)
- Soil crusting across Iowa. (5/31/05)
- Freezing crops and freezing soil. (5/9/05)
- Soil moisture conditions -- consideration for soil compaction. (5/9/05)
- How to reduce potential soil erosion early in the spring. (5/2/05)
- Evaluating soil moisture before field preparation and planting. (4/11/05)
- New concept for promoting conservation tillage systems. (3/14/05)
- The role of pasture in conservation management. (8/16/04)
- Spring rain and soil erosion. (6/7/04)
- Crop-specific cultivating tillage. (5/17/04)
- Tillage implement design and its effect on soil. (4/19/04)
- Site-specific tillage choices management. (3/22/04)
- Spring tillage preparation. (2/23/04)
- Crop rotation considerations for 2004 management season rotation. (12/15/2003)
- Conservation planning for 2004. (10/20/03)
- Managing soils under dry conditions. (10/6/03)
- Time to evaluate fall soil conditions. (9/15/03)
- Managing your pasture to reduce soil erosion. (7/21/03)
- Manure management: successes and challenges. page 92 (6/16/03)
- Timing and conditions for cultivation. page 84 (6/9/03)
- Post-planting cultivation in a conservation plan. (5/19/03)
- Check equipment calibration before planting. (4/28/03)
- Spring - soil's most vulnerable season. (4/14/03)
- Integrating conservation tillage and manure management to improve water quality. (3/17/03)
- Conservation planning and environmental issues. (2/17/03)
- Volunteer for IOWATER in 2003. (12/23/02)
- Think before you till. (9/23/02)
- Soil erosion and water quality. (9/23/02)
- Soil erosion: Effect on soil productivity. (8/19/02)
- Soil compaction may be cutting into your yield. (7/8/02)
- Conservation buffers can improve water quality. (6/24/02)
- Inspecting drainage systems. (6/17/02)
- Post-planting tillage: What are the options? (5/6/02)
- Does dry weather limit tillage options? (4/15/02)
- Equipment maintenance: Planters. (4/8/02)
- Field observations are key when planning spring work. (3/18/02)
- Do I need to till my soil? (3/18/02)
- Tillage equipment maintenance. (1/21/02)
- Sediment and total maximum daily loads. (12/24/01)
- Winter grazing and pasture erosion. (11/19/01)
- Tillage in 2002 - consider the options. (10/22/01)
- Fall tillage and tillage equipment. (8/20/01)
- Managing pasture to reduce soil erosion. (7/30/01)
- Install and maintain terraces for conservation. (7/2/01)
- Wet soils vulnerable to compaction. (6/11/01)
- Soil moisture conditions in late spring 2001. (6/4/01)
- Timing cultivation to complement conservation plans. (5/28/01)
- Preventing soil erosion after spring rains. 5/21/01)
- Use the rotary hoe for soil crusting. (5/7/01)
- How did your waterways fare this spring? (4/30/01)
- Value of crop rotation in nitrogen management. (4/23/01)
- Dealing with wet soils. (4/23/01)
- Soil erosion and water quality. (2/26/01)
- Impact of soil management practices on yield. (2/26/01)
- Soil erosion and crop productivity: Topsoil thickness. (1/29/01)
- Planning tillage for 2001. (11/20/00)
- Survey: Iowa no-till holds steady. (10/23/00)
- Pay attention to water management. (10/23/00)
- Tillage in 2001: No-till. (9/18/00)
- Tillage in 2001: Fall strip-tillage. (8/21/00)
- Tillage in 2001: Consider the options. (8/7/00)
- Soil erosion: An agricultural production challenge. (7/24/00)
- New agronomy faculty member. (7/24/00)
- Value of Iowa's wetlands. (7/3/00)
- Use conservation buffers to make dollars and sense. (6/26/00)
- Conservation buffers and water quality. (6/12/00)
- Crop water use or evapotranspiration. (5/29/00)
- Choosing cultivation for dry soils. (5/29/00)
- Adjusting planting soil depth for better germination. (5/8/00)
- How to evaluate soil moisture in the field. (4/24/00)
Refereed Journal Articles
- Guzman, J.G. and M.M. Al-Kaisi. 2011. Landscape Position Effect on Selected Soil Physical Properties of Reconstructed Prairies in Southcentral Iowa. J. Soil Water Cons. 66:183-191.
- Nelson, D.J. and M.M. Al-Kaisi. 2011. Agronomic and economic evaluation of various furrow irrigation strategies for corn production under limited water supply. J. Soil Water Cons. 66(2):114-121.
- Guzman, J., and M. Al-Kaisi. 2010. Soil Carbon Dynamics and Soil Carbon Budget of Newly Reconstructed Tall-grass Prairies in South Central Iowa. J. Environ. Quality 39:136-146.
- Zhou, X., M. Helmers, and M. Al-Kaisi. 2009. Cost Effectiveness of Conservation Practices in Controlling Water Erosion in Iowa. Soil Till. Res. 106:71-78.
- Zhou, X., M. Helmers, M. Al-Kaisi, and M. Hanna. 2009. Cost Effectiveness and Cost-benefit Analysis of Conservation Management Practices for Sediment Reduction in an Iowa Agricultural Watershed. J. Soil Water Cons. 64(5):314-323.
- Al-Kaisi, M., M. Kruse, and J. Sawyer. 2008. Effect of Nitrogen Fertilizer Application on Growing Season Soil CO2 Emission in a Corn-Soybean Rotation. J. Environ. Qual. 37:325-332.
- Wilson, H. and M.M. Al-Kaisi. 2008. Crop Rotation and Nitrogen Fertilization Effect on Soil CO2 Emissions in Central Iowa. Soil Appl. Ecolo. J.
- Al-Kaisi, M.M., and J.B. Grote. 2007. Cropping Systems Effects on Improving Soil Carbon Stocks of Exposed Subsoil. Soil Sci. Soc. Am. J. 71: 1381-1388.
- Al-Kaisi, M. and D. Kwaw-Mensah. 2007. Effect of Tillage and Nitrogen Rate on Corn Yield and Nitrogen and Phosphorus Uptake in a Corn-Soybean Rotation. Agron. J. 99: 1548-1558.
- Grote, J. and M. Al-Kaisi. 2007. Topsoil Placement Effect on Soil Carbon Stock Improvement of Exposed Subsoil in Iowa. Soil and Water Cons. J. 62:86-93.
- Barker, D.W., J. E. Sawyer, and M. M. Al-Kaisi. 2006. Assessment of the Amino Sugar-Nitrogen Test on Iowa Soils: I. Evaluation of Soil Sampling and Corn Management Practices. Agron. J. 98:1345-1351.
- Barker, D.W., J. E. Sawyer, and M. M. Al-Kaisi. 2006. Assessment Calibration. Agron. J. 98:1352-1358.
- Kwah-Mensah, D., and M.M. Al-Kaisi. 2006. Tillage and Nitrogen Source and Rate Effects on Corn Response in Corn-Soybean Rotation. Agron. J. 98:507-513.
- Al-Kaisi, M.M., and M.A. Licht. 2005. Soil Carbon and Nitrogen Changes as Influenced by Tillage and Cropping Systems in Some Iowa Soils. Ag. Ecosys. Environ. 105:635-647.
- Al-Kaisi, M.M., and X. Yin. 2005. Tillage and Crop Residue Effects on Soil Carbon and Carbon Dioxide Emission in Corn-Soybean Rotations. J. Environ. Quality 34:437-445.
- Al-Kaisi, M., X. Yin, and M.A. Licht. 2005. Soil Carbon and Nitrogen Changes as Affected by Tillage Systems and Crop Biomass in a Corn-Soybean Rotation. App. Soil Ecol. 30:174-191.
- Licht, M.A., and M.M. Al-Kaisi. 2005. Corn Response, Nitrogen Uptake, and Water Use in Strip-Tillage Compared with No-tillage and Chisel Plow. Agron. J. 97:705-710.
- Licht, M. and M. Al-Kaisi. 2005. Strip-Tillage Effect on Seedbed Soil Temperature and Other Soil Physical Properties. Soil Tillage Res. J. 80:233-249.
- Al-Kaisi, M. and X. Yin. 2004. Stepwise Time Response of Corn Yield and Economic Return to No Tillage. Soil Tillage. Res. J. 78:91-101.
- Yin, X. and M. Al-Kaisi. 2004. Periodic Response of Soybean Yields and Economic Returns to Long-Term No-Tillage. Agron. J. 96:723-733.
- Al-Kaisi, M. and M. Licht. 2004. Effect of Strip Tillage on Corn Nitrogen Uptake and Residual Soil Nitrate Accumulation Compared with No-Tillage and Chisel Plow. Agron. J. 96:1164-1171.
- Al-Kaisi, M. and X. Yin. 2003. Effects of Nitrogen Rate, Irrigation Rate, and Plant Population on Corn Yield and Water Use Efficiency. Agron. J. 95:1475-1482.
- Al-Kaisi, M. and R. Waskom. 2002. Estimating ammonia loss from sprinkler-applied swine effluent.. Agron. J. 94:1156-1162.
- Al-Kaisi, M. and R. Waskom. 2002. Utilization swine effluent for sprinkler irrigated corn production. Soil and Water Conserv. J. 57:111-120.
- Al-Kaisi, M., A. Berrada, and M. Stack. 1999. Dry bean response to different irrigation rates in southwestern Colorado. J. Prod. Agric. 12:422-427.
- Al-Kaisi, M., A. Berrada, and M. Stack. 1997. Evaluation of irrigation scheduling program and spring wheat yield response in southwestern Colorado. Agric. Water Manag. J. 34(2):137-147.
- Al-Kaisi, M., A. Fisher, and M. Stack. 1993. Evapotranspiration of dry beans with drip irrigation. Proc. Irrigation and Drainage Engineering Division, Am. Soc. of Civil Eng. J. pp178-1186.
- Al-Kaisi, M., L. Brun, and J. Enz. 1989. Transpiration and evapotranspiration from maize as related to leaf area index. Agric. and Forest Meteorol. J. 48:111-116.
Tillage and Cropping Systems Links
- Agronomic and Environmental Management of Phosphorus
- Iowa Learning Farm
- Buffer Notes
- Conservation Districts of Iowa
- IDALS Soil Conservation Division
- Iowa Department of Natural Resources
- Iowa State University Department of Agricultural and Biosystems Engineering
- Iowa State University Department of Agronomy
- Iowa State University Agronomy Extension
- Iowa State University Extension
- Iowa Water Center
- Iowa's Wetlands and Riparian Areas
- Leopold Center for Sustainable Agriculture
- Natural Resources Conservation Service
- USDA Agricultural Research Service

