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Various fees can be deducted from farming income as can be seen from the Canada Revenue Agency (CRA) guide for AgriInvest income:
https://www.canada.ca/en/revenue-agency/services/forms-publications/publications/rc4060/rc4060-05.html#expenses
There are mentions of partnership income in various entries in that link also. Generally partners report their share of the net income of the partnership; with various possible adjustments. See another post here:
https://turbotax.community.intuit.ca/community/self-employed/discussion/what-fees-are-deductible-with-agrinvest-how-do-these-deductions-and-expenses-work-when-your-farm-is/01/949440#M7519
Hope this helps