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American Journal of Potato Research

, Volume 95, Issue 3, pp 258–271 | Cite as

Economic and Risk Effects of Rotation Based on a 14-Year Irrigated Potato Production Study in Manitoba

  • Mohammad KhakbazanEmail author
  • Ramona M. Mohr
  • Jianzhong Huang
  • Erik Campbell
  • Karl M. Volkmar
  • Dale J. Tomasiewicz
  • Alan P. Moulin
  • Doug A. Derksen
  • Byron R. Irvine
  • Debra L. McLaren
  • Alison Nelson
Article
  • 207 Downloads

Abstract

Crop rotations can be used to optimize economic return by preserving or enhancing soil quality and reducing pest pressure. A field experiment consisting of six rotations of potato with canola (P-C), wheat (P-W), canola-wheat (P-C-W), oat-wheat (P-O-W), wheat-canola-wheat (P-W-C-W), and canola underseeded to alfalfa-alfalfa-alfalfa (P-C(A)-A-A) organized in a Randomized Complete Block Design was established on a clay loam soil in Manitoba, Canada and monitored for fourteen years to assess the relative economic performance of potato in each rotation. A stochastic budget based on returns and risk of returns trade-offs was used to determine each rotation’s profitability. While differences in average annual net income of all crops between rotations were not significant, the P-C-W rotation was the most stable. Despite the economic advantage of P-C in the first two cycles, longer P-C-W or P-C(A)-A-A rotations are recommended, as two-year rotations increase plant disease and decrease economic viability in the long run.

Keywords

Potato Crop rotation Cost Net income Risk analysis 

Resumen

Las rotaciones de cultivos pueden usarse para optimizar la recuperación económica mediante la preservación o aumento de la calidad del suelo y en la reducción de presión de plagas. Se estableció un experimento de campo consistente en seis rotaciones de papa con canola (P-C), trigo (P-W), canola-trigo (P-C-W), avena trigo (P-O-W), trigo-canola-trigo (P-W-C-W), y canola mezclada con alfalfa-alfalfa-alfalfa (P-C(A)-A-A) organizado en un diseño de bloques completos al azar, en un suelo arcillo-limoso en Manitoba, Canadá, y monitoreado por 14 años para evaluar el comportamiento relativo económico de papa en cada rotación. Se usó un presupuesto estocástico basado en recuperaciones y en el riesgo de compensaciones de recuperaciones para determinar la redituabilidad de cada rotación. Mientras que las diferencias en el promedio anual de ingresos netos de todos los cultivos entre rotaciones no fueron significativas, la rotación P-C-W fue la más estable. A pesar de la ventaja económica de P-C en los primeros dos ciclos, se recomiendan las rotaciones más largas P-C-W o P-C(A)-A-A, ya que las rotaciones de dos años aumentan enfermedad de la planta y a la larga disminuyen la viabilidad económica.

Notes

Acknowledgements

We thank Desiree Czerkawski, Shirley Neudorf, Grant Gillis, Tom Henderson, Clayton Jackson, Rebecca Xie, and summer students at AAFC-Brandon Research and Development Centre for field and technical support on this project. Funding contributions from Agriculture and Agri-Food Canada’s Matching Investment Initiative and in-kind contributions from the Canada-Manitoba Crop Diversification Centre (a partnership among Manitoba potato growers, the potato processing industry and the Governments of Canada and Manitoba) are greatly appreciated.

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Copyright information

© The Potato Association of America 2017

Authors and Affiliations

  • Mohammad Khakbazan
    • 1
    Email author
  • Ramona M. Mohr
    • 1
  • Jianzhong Huang
    • 1
  • Erik Campbell
    • 1
  • Karl M. Volkmar
    • 2
  • Dale J. Tomasiewicz
    • 3
  • Alan P. Moulin
    • 1
  • Doug A. Derksen
    • 1
  • Byron R. Irvine
    • 1
  • Debra L. McLaren
    • 1
  • Alison Nelson
    • 4
  1. 1.Agriculture and Agri-Food Canada (AAFC), Brandon Research and Development CenterBrandonCanada
  2. 2.AAFC, Southern Crop Protection and Food Research CentreLondonCanada
  3. 3.Canada-Saskatchewan Irrigation Diversification Centre, AAFCOutlookCanada
  4. 4.Canada-Manitoba Crop Diversification Centre, AAFCCarberryCanada

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