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A Farmer’s Account: Case Study on the Effect of Rainfall and Temperature to Grain Cultivation in Southwestern Saskatchewan, Canada

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Listed:
  • Tyler Pittman
  • Rory Pittman
  • Jeremy Pittman

Abstract

The production of cereal, legume and oilseed crops on the prairie region of Canada is largely rainfed, with high variability in the accumulation and timing of precipitation. In turn, the fluctuation of climate imparts change in farming practice. The objective of the current study is to measure the effect of rainfall and temperature on grain yield, based on longitudinal data for multiple crops on a Saskatchewan farming operation. Adjustment was made for days to maturity, fertilizer management, crop inputs, and procedures (e.g., harvest method). Detailed and thorough records of rainfall and farming routine were obtained from a farm operator on different field plots over 33 consecutive growing seasons from 1986 to 2018. The efficacy of multiple adaptive farming practices to crop yield were also evaluated, and included seed treatment, swathing, desiccation, and in-crop spraying of fungicide or pesticide. Statistical models were formulated for the association of these factors to crop yield for canaryseed (Phalaris canariensis L.), canola (Brassica napus L.), lentil (Lens culinaris Medik.) and wheat (Triticum turgidum L.). Results from this study show that temperature and rainfall above the long-term average were negatively associated with wheat yield, although the effect modification between average temperature and cumulative rainfall was positively associated with wheat yield. Over 63% of the observed variation in crop yield was attributable to planting year on this farming operation. Crop diversification is key to mitigate the effects of extreme rainfall and temperature variation on yield in this agroregion.

Suggested Citation

  • Tyler Pittman & Rory Pittman & Jeremy Pittman, 2024. "A Farmer’s Account: Case Study on the Effect of Rainfall and Temperature to Grain Cultivation in Southwestern Saskatchewan, Canada," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 12(6), pages 1-1, April.
  • Handle: RePEc:ibn:jasjnl:v:12:y:2024:i:6:p:1
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    References listed on IDEAS

    as
    1. Hadfield, Jarrod D., 2010. "MCMC Methods for Multi-Response Generalized Linear Mixed Models: The MCMCglmm R Package," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 33(i02).
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    More about this item

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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