Polish Prime Minister Mateusz Morawiecki has warned Ukrainian President Volodymyr Zelenskyy against a close alliance with Germany.

According to Polish press agency PAP, in his remarks, Morawiecki said during the Prawo i Sprawiedliwość (Law and Justice) party faction's congress in Katowice on Sunday that the Polish government would "protect Polish agriculture from Ukrainian agro-oligarchs".

The prime minister added that Ukrainian President Zelenskyy has recently said "very inappropriate words" at the UN.

"I understand that he is now thinking that he will have a close alliance with Germany. Let me warn you that Germany will always want to reach out to the Russians through the heads of Central European countries," the Polish prime minister said.

Morawiecki stressed that it was Poland that had hosted several million Ukrainians on its soil.

"It was the Poles who welcomed the Ukrainians; it was we who helped the most when the Germans considered sending 5,000 helmets to besieged Kyiv; you should not forget this, President Zelenskyy," the Polish prime minister said.

Poland is in the midst of an election campaign during which the current government often uses anti-German rhetoric.

Relations between Ukraine and Poland are in crisis due to disagreements over trade issues.

Foreign Minister Dmytro Kuleba considers a resolution to the crisis in relations between Poland and Ukraine "inevitable".