The Sample Data Used in This Study
This protocol is extracted from research article:
Estimation of the Optimal Number of Replicates in Crop Variety Trials
Front Plant Sci, Jan 13, 2021; DOI: 10.3389/fpls.2020.590762

The yield data from the 2015 to 2019 ORDC oat registration test were used as an example in this study (the raw data, which belong to AAFC, are available upon request). Each year the test was conducted at several locations within Ontario as well as in other provinces, including Quebec and Prince Edward Island in eastern Canada and Manitoba and Alberta in western Canada, as listed in Table 1. The trials were conducted with four replicates at the Ontario locations, as required by the Ontario Cereal Crops Committee, and three at locations in other provinces. Each year the same set of 36 oat genotypes were tested at all locations, and the set of genotypes varied each year. All trials were conducted based on randomized complete blocks designs and in rain-fed conditions. Not all locations listed in Table 1 were used in all years. Locations in Ontario have generally lower latitudes (<45.5°N), except for the northern Ontario location New Liskeard (Table 1).

Test locations involved in the 2015–2019 oat registration test and their geographical coordinates (sorted by latitude).

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