A Union that works is better than one, which is in a permanent gridlock
21 Countries voted for it, 5 Countries against it
For things like these agreements you need a majority of 55% of the states which represent at least 65% of the EU Population.
Was that your intention?
And more on point to the subject, imports should be tariffed so that there are not wage benefits to importing products from overseas. It's major bullshit for a country to say "you must have all these employment standards, safety, wage, retirement, health, holidays, etc." for any business in their area and then go and buy competing goods from outside their area with completely different labor standards.
They're also free to leave at any time.
"Destroying the agricultural sector" is stupid hyperbole, especially given the small quotas in sensitive parts of the agricultural sector.