- Regional/ North America/ Canada/ Alberta/ Science and Environment/ Agriculture@ (3)
- Regional/ North America/ Canada/ Manitoba/ Science and Environment/ Agriculture@ (5)
- Regional/ North America/ Canada/ New Brunswick/ Science and Environment/ Agriculture@ (4)
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- Regional/ North America/ Canada/ Nova Scotia/ Science and Environment/ Agriculture@ (14)
- Regional/ North America/ Canada/ Ontario/ Science and Environment/ Agriculture@ (33)
- Regional/ North America/ Canada/ Saskatchewan/ Science and Environment/ Agriculture@ (8)
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