sale of farm land

Try selecting the Search icon and entering 1099-s. That should bring up a link to where you enter your information.

This is an investment sale. Interest expense would not be allowed since it was not your home, property taxes would be deductible on itemized deductions if you use that.  Any purchase expenses and sales expenses will reduce the gain or increase the loss on the sale. No loan proceeds would be used per se, the purchase price will be used.

Land sales are reported by using the following instruction.

1. Federal Taxes tab, then Wages & Income, then scroll down to Investment Income and select Stocks, Mutual Funds, Bonds, Other. 
2. Respond "yes" to Did you sell any investments?  You'll then be asked Did you get a 1099-B or brokerage statement? answer "no."
3. Enter one sale at a time
4. Enter Land Sale Information Be aware of the tiny box that says "Reported sales price did not deduct all fees of selling expenses," as it must be checked if applicable to you.
5. Continue to follow the prompts to complete your sale
6. See the image below for assistance.

@jg1956