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Drought Impact on Crop Production and the Soil Environment: 2012 Experiences from Iowa

Author

Listed:
  • Al-Kaisi, Mahdi
  • Elmore, Roger
  • Guzman, Jose
  • Hanna, Mark
  • Hart, Chad E.
  • Helmers, Matthew J.
  • Hodgson, Erin
  • Lenssen, Andrew
  • Mallarino, Antonio
  • Robertson, Alison
  • Sawyer, John

Abstract

Enormous challenges were presented by the 2012 drought. Poor water availability and high temperatures resulted in significant stress during critical phases of corn (Zea mays L.) and soybean (Glycine max L.) development. These stress factors lead to management challenges with insects, diseases, and reduced nutrient availability and uptake by plants. The drought triggered soil changes, particularly in conventional tillage systems, such as increased fracturing, crusting, and deterioration of soil structure and aggregation. All this reinforced the need for soil conservation planning, especially its necessary role in buffering against unpredictable conditions and the impacts of dry and wet events on production and soil quality. In 2011, the USDA's National Drought Mitigation Center reported that 43% of Iowa experienced moderate-drought conditions and nearly 10% experienced severe-drought conditions. In 2012, 100% of Iowa experienced severe-drought conditions, while 65% experienced extreme-drought conditions by October. This article addresses several effects of drought on soil and crop production and lessons learned that will help develop appropriate drought mitigation strategies for future soil and crop management practices.

Suggested Citation

  • Al-Kaisi, Mahdi & Elmore, Roger & Guzman, Jose & Hanna, Mark & Hart, Chad E. & Helmers, Matthew J. & Hodgson, Erin & Lenssen, Andrew & Mallarino, Antonio & Robertson, Alison & Sawyer, John, 2013. "Drought Impact on Crop Production and the Soil Environment: 2012 Experiences from Iowa," Staff General Research Papers Archive 35963, Iowa State University, Department of Economics.
  • Handle: RePEc:isu:genres:35963
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    Citations

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    Cited by:

    1. Wenzel, Daniela, 2018. "Droughts and Corruption," Working Paper 181/2018, Helmut Schmidt University, Hamburg.
    2. Negm, L.M. & Youssef, M.A. & Skaggs, R.W. & Chescheir, G.M. & Jones, J., 2014. "DRAINMOD–DSSAT model for simulating hydrology, soil carbon and nitrogen dynamics, and crop growth for drained crop land," Agricultural Water Management, Elsevier, vol. 137(C), pages 30-45.

    More about this item

    Keywords

    drought; crop production; soil;

    JEL classification:

    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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