If this is for a tax return that you already submitted then you need to amend the return in order to get the correct loss from schedule F. If your farm is a passive activity it may be that your passive loss was disallowed and carried over to next year on form 8582.
If you had double the depreciation entered on your return then you should go back and delete one of the assets when you file the amendment.
In most cases when you have money invested in an activity all of the money you have invested is "at risk". As in I have invested $1000 in this farm and if the farm blows up then I will lose my entire $1000. If the system asks if all of the money that you have invested in something is 'at risk' and you tell it that not all of your investment is at risk it will generate form 6198 to try and figure out how much you have at risk in your investment.
@CarolK
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