https://agrinews.ca/those-organic-farmers-are-spraying/
http://www.omafra.gov.on.ca/IPM/english/tender/diseases-and-disorders/sunburn.html
http://omafra.gov.on.ca/english/crops/facts/09-039.htm
https://www.ontario.ca/page/weather-risks-strategies-mitigate-risk-excessively-hot-temperatures
https://www.mgoi.ca/resources/Newsletter-Archive/Newsletter06Winter.pdf
Canada:
https://publications.gc.ca/collections/collection_2020/ongc-cgsb/P29-32-311-2020-eng.pdf
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