Inheritance issue

I think you resolve the issue by divorcing the misogynist prat, keeping your 50% and creating a will that assumes he will bequest his 50% to your sons and split your share to ensure parity for all three children (ie 25% to your DD and spilt the remaining 25% between them equally).

Seriously, this would be a total deal breaker for me.

He's deliberately disinheriting all the women in his life.

I understand farming inheritance can be difficult as too many divisions make the business untenable.

But who makes him "the boss" of all decisions and why does he assume his sons will want to be farmers and not his daughter?

Big red flag here. I would be furious (and have a shit hot lawyer of my own on speed dial).

You own 50% so I would sit him down and tell him how unfair he is being to you and your daughter. I would also share with him court cases where daughter have won substantial money from an estate because they were left out, particularly if she is more involved than your sons from what you say about her being his right hand man
The only person who wins in that scenario is the solicitors and it will cause a family rift

If he is still adamant then you leave your 50% to your daughter, although tbh I couldn’t stay with a man who is prepared to treat his child like that so would be looking to leave, he can either purchase your 50% or he sells the farm

This. 50% is in your name. Leave the entire 50% to her.

There used to be a BBC2 show called You Can't Take it With You. It gave advice to people if different situations. The farm scenario with sons and a daughter was one. They equalised inheritance by leaving the daughter another property. It may be worth seeing if you can find this on BBC iplayer or archives online.

With a house you could pass your house to your child and give your spouse or partner a lifetime interest in the property. In that case, you would remain there until you died or wished to sell but on selling your spouse’s 50% would pass to your children and you can only use your 50% for your onward move. I don’t know if the same applies to agricultural land but as inheritance tax is still being worked out for farms, I don’t think there is a clear answer on the most tax efficient way yet and whether you can do lifetime interests.

However, only leaving to your sons and telling you it’s none of your business when it’s 50% yours is misogynistic. Whether you can live like that is up to you. However, I would be making my will to my daughter and I would be telling my sons it’s not that you don’t love them but their dad has decided their sister shouldn’t inherit because she’s a girl and therefore you need to protect her.

Tell him if he doesn't play fair you'll leave your 50% of the farm to your daughter?

Is he always this controlling? He might be able to leave his half to who he wants, but his decisions will have an impact on your daughter’s mental health. Unless there is a cash equivalent for her, why would he do such a divisive thing?

Get the inheritance through, then divorce.

He's only leaving the land to the sons? Fuck. That's cold to his DD and you. Misogynistic as well.

Unforgivable in my world. I don't know if it is in yours.

The farm is 50 percent in your name how does he get to dispose of it entirely? Wait until he inherits then divorce him to secure your rights.

What did he say when you queried all this with him?

That can’t be that close if he is omitting her from his will because she doesn’t posses a penis.