He’s desperate to have some wins to sell to the populace so he’s massively overselling everything. Based on his social media post, the US now basically owns Greenland (which really doesn’t seem to be the case).

Even if we wanted to supply potash to other, Western markets, we simply do not have those volumes — everything is contracted,” Lukashenko said in remarks published by his office on Monday.

https://thehill.com/policy/international/6102469-trump-lukashenko-potash-deal-clash/