A worker unloads corn grains from a truck to a silo in a farm near Brasilia, Brazil August 22, 2023. REUTERS/Adriano Machado 

Local farmer Mykola, 63, touches wheat grains inside a storage of his farm that was damaged last year by Russian military strike, amid Russia's attack on Ukraine, near a frontline in the village of Velykomykhailivka in Dnipropetrovsk region, Ukraine August 15, 2023. REUTERS/Viacheslav Ratynskyi 

Wheat grains are seen inside a storage of a farm that was damaged last year by Russian military strike, amid Russia's attack on Ukraine, near a frontline in the village of Velykomykhailivka in Dnipropetrovsk region, Ukraine August 15, 2023. REUTERS/Viacheslav Ratynskyi 

A combine harvester reaps grain at a field near Witowo, Poland, August 11, 2023. REUTERS/Kacper Pempel 

A combine harvester reaps grain at a field near Witowo, Poland, August 11, 2023. REUTERS/Kacper Pempel 

A combine harvester reaps grain at a field near Witowo, Poland, August 11, 2023. REUTERS/Kacper Pempel 

A combine harvester reaps grain at a field near Witowo, Poland, August 11, 2023. REUTERS/Kacper Pempel 

A combine harvester reaps grain at a field near Witowo, Poland, August 11, 2023. REUTERS/Kacper Pempel 

A combine harvester reaps grain at a field near Witowo, Poland, August 11, 2023. REUTERS/Kacper Pempel 

A combine harvester reaps grain at a field near Witowo, Poland, August 11, 2023. REUTERS/Kacper Pempel 

Graphic shows grains produced in Mato Grosso, Brazil surpassing capacity of warehouses. 

Graphic shows grains produced in Mato Grosso, Brazil surpassing capacity of warehouses. 

After having harvested his wheat field, a farmer collects the straw during sunset to form bales, in Haynecourt, France, August 10, 2023. REUTERS/Pascal Rossignol 

After having harvested his wheat field, a farmer collects the straw during sunset to form bales, in Haynecourt, France, August 10, 2023. REUTERS/Pascal Rossignol 

After having harvested his wheat field, a farmer collects the straw during sunset to form bales, in Haynecourt, France, August 10, 2023. REUTERS/Pascal Rossignol 

A french farmer harvests his field of wheat in Escalles, near Calais, France, August 9, 2023. REUTERS/Pascal Rossignol 

A French farmer harvests his field of wheat in Escalles, near Calais, France August 9, 2023. REUTERS/Pascal Rossignol 

A French farmer harvests his field of wheat during sunset in Escalles, near Calais, France August 9, 2023. REUTERS/Pascal Rossignol 

Bertrand Baey, a French farmer shows the ears of wheat, damaged by the "Patricia" storm followed by gusty summer winds and heavy rains, in Sangatte, France, August 9, 2023. REUTERS/Pascal Rossignol 

Bertrand Baey, a French farmer shows grains of oats, damaged by the "Patricia" storm followed by gusty summer winds and heavy rains, in Sangatte, France, August 9, 2023. REUTERS/Pascal Rossignol 

Bertrand Baey, a French farmer checks the ears of oasts, as harvests have been delayed by the "Patricia" storm followed by gusty summer winds and heavy rains, in Sangatte, France, August 9, 2023. REUTERS/Pascal Rossignol 

Bertrand Baey, a French farmer checks the ears of wheat, as harvests have been delayed by the "Patricia" storm followed by gusty summer winds and heavy rains, in Sangatte, France, August 9, 2023. REUTERS/Pascal Rossignol 

Bertrand Baey, a French farmer checks the ears of oasts, as harvests have been delayed by the "Patricia" storm followed by gusty summer winds and heavy rains, in Sangatte, France, August 9, 2023. REUTERS/Pascal Rossignol 

Bertrand Baey, a French farmer checks the ears of oasts, as harvests have been delayed by the "Patricia" storm followed by gusty summer winds and heavy rains, in Sangatte, France, August 9, 2023. REUTERS/Pascal Rossignol 

Fatouma Abubakr, 70, a Sudanese woman, who fled the conflict in Geneina in Sudan's Darfur region, sits with her daughter as she removes waste from millet grain she received from WFP outside their makeshift shelter in Adre, Chad August 5, 2023. REUTERS/Zohra Bensemra
 

A man compares different grains of rice at a wholesale market in Navi Mumbai, India August 4, 2023. REUTERS/Francis Mascarenhas 

A woman cleans rice grains at a wholesale market in Navi Mumbai, India August 4, 2023. REUTERS/Francis Mascarenhas 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks the three- year anniversary of the explosion, in Beirut, Lebanon August 4, 2023. REUTERS/Issam Abdallah 

A view shows the partially collapsed grain silos damaged in the August 4, 2020 Beirut port blast, as Lebanon marks the three-year anniversary of the explosion, in Beirut, Lebanon August 4, 2023. REUTERS/Emilie Madi 

A view shows the partially collapsed grain silos damaged in the August 4, 2020 Beirut port blast, as Lebanon marks the three-year anniversary of the explosion, in Beirut, Lebanon August 4, 2023. REUTERS/Emilie Madi 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut Lebanon August 2, 2023. REUTERS/Issam Abdallah 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut Lebanon August 2, 2023. REUTERS/Issam Abdallah 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut Lebanon August 2, 2023. REUTERS/Issam Abdallah 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut Lebanon August 2, 2023. REUTERS/Issam Abdallah 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut Lebanon August 2, 2023. REUTERS/Issam Abdallah 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut Lebanon August 2, 2023. REUTERS/Issam Abdallah TPX IMAGES OF THE DAY 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut August 2, 2023. REUTERS/Mohamed Azakir 

Cars drive near partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut August 2, 2023. REUTERS/Mohamed Azakir 

A view shows the partially-collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut, August 2, 2023. REUTERS/Mohamed Azakir 

A view shows the partially collapsed grain silos, damaged in the August 4, 2020 Beirut port blast as Lebanon marks third anniversary of the explosion on Friday, in Beirut, August 2, 2023. REUTERS/Mohamed Azakir 

A tourist parasails over the sea in front of the Safaga grain silos, during a summer vacation, amid a heatwave, at a Red Sea resort in Hurghada, Egypt July 23, 2023. REUTERS/Amr Abdallah Dalsh 

Russian Deputy Foreign Minister Sergei Vershinin speaks during a briefing following Russia's decision to quit the Black Sea grain deal in Moscow, Russia July 21, 2023. Alexander Zemlianichenko/Pool via REUTERS 

Russian Deputy Foreign Minister Sergei Vershinin gestures during a briefing following Russia's decision to quit the Black Sea grain deal in Moscow, Russia July 21, 2023. Alexander Zemlianichenko/Pool via REUTERS 

Russian Deputy Foreign Minister Sergei Vershinin holds a briefing following Russia's decision to quit the Black Sea grain deal in Moscow, Russia July 21, 2023. Alexander Zemlianichenko/Pool via REUTERS 

Russian Deputy Foreign Minister Sergei Vershinin holds a briefing following Russia's decision to quit the Black Sea grain deal in Moscow, Russia July 21, 2023. Alexander Zemlianichenko/Pool via REUTERS 

Russian Deputy Foreign Minister Sergei Vershinin speaks during a briefing following Russia's decision to quit the Black Sea grain deal in Moscow, Russia July 21, 2023. Alexander Zemlianichenko/Pool via REUTERS 

A view shows barley where a grain warehouse was destroyed by a Russian missile strike, amid Russia's attack on Ukraine, at a compound of an agricultural company in the village of Pavlivka, in Odesa region, Ukraine July 21, 2023. REUTERS/Nina Liashonok 

A view shows barley and damaged truck where a grain warehouse was destroyed by a Russian missile strike, amid Russia's attack on Ukraine, at a compound of an agricultural company in the village of Pavlivka, in Odesa region, Ukraine July 21, 2023. REUTERS/Nina Liashonok 

An employee packs barley into a bag where a grain warehouse was destroyed by a Russian missile strike, amid Russia's attack on Ukraine, at a compound of an agricultural company in the village of Pavlivka, in Odesa region, Ukraine July 21, 2023. REUTERS/Nina Liashonok 

A view shows a grain warehouse destroyed by a Russian missile strike, amid Russia's attack on Ukraine, at a compound of an agricultural company in the village of Pavlivka, in Odesa region, Ukraine July 21, 2023. REUTERS/Nina Liashonok 

A view shows a grain warehouse destroyed by a Russian missile strike, amid Russia's attack on Ukraine, at a compound of an agricultural company in the village of Pavlivka, in Odesa region, Ukraine July 21, 2023. REUTERS/Nina Liashonok 

An employee grabs pea into a bag at a place of a grain warehouse destroyed by a Russian missile strike, amid Russia's attack on Ukraine, at a compound of an agricultural company in the village of Pavlivka, in Odesa region, Ukraine July 21, 2023. REUTERS/Nina Liashonok 

An employee stands next to a grain warehouse destroyed by a Russian missile strike, amid Russia's attack on Ukraine, at a compound of an agricultural company in the village of Pavlivka, in Odesa region, Ukraine July 21, 2023. REUTERS/Nina Liashonok 

Labourers take nap on the sacks of grains and sugar, after offloading from a supply truck, outside shops at the wholesale grain market in Karachi, Pakistan July 20, 2023. REUTERS/Akhtar Soomro 

Labourer Farooq Azam, 39, speaks on his mobile phone, tucked in headscarf, while drinking morning tea during a pause at the wholesale grain market in Karachi, Pakistan July 20, 2023. REUTERS/Akhtar Soomro 

An agricultural worker operates in a grain storage during wheat harvesting in the course of Russia-Ukraine conflict near the settlement of Nikolske in the Donetsk Region, Russian-controlled Ukraine, July 19, 2023. REUTERS/Alexander Ermochenko 

An agricultural worker operates in a grain storage during wheat harvesting in the course of Russia-Ukraine conflict near the settlement of Nikolske in the Donetsk Region, Russian-controlled Ukraine, July 19, 2023. REUTERS/Alexander Ermochenko 

A combine harvests wheat in a field in the course of Russia-Ukraine conflict near the settlement of Nikolske in the Donetsk Region, Russian-controlled Ukraine, July 19, 2023. REUTERS/Alexander Ermochenko 

A combine harvests wheat in a field in the course of Russia-Ukraine conflict near the settlement of Nikolske in the Donetsk Region, Russian-controlled Ukraine, July 19, 2023. REUTERS/Alexander Ermochenko 

Combines harvest wheat in a field in the course of Russia-Ukraine conflict near the settlement of Nikolske in the Donetsk Region, Russian-controlled Ukraine, July 19, 2023. REUTERS/Alexander Ermochenko