The world's largest exporter of grain (Russia) has invaded the fifth largest exporter of grain (Ukraine). In thirty days the planting should begin in Ukraine for the upcoming crop year.  

That is not going to happen because those areas are the current conflict zone.  

Russia also has advised that it is stopping fertilizer exports.  We have set our food system up so that an interruption like this has the possibility to affected millions of people that are not even involved in this conflict.