Ships and warehouses containing grains and sugar are seen at TIPLAM (Integrator Port Terminal Luiz Antonio Mesquita) from VLI Multimodal S.A. at Santos port, in Santos, Brazil May 25, 2023. REUTERS/Amanda Perobelli 

Imported sulphur used in fertilisers and warehouses containing grains and sugar are seen at TIPLAM (Integrator Port Terminal Luiz Antonio Mesquita) from VLI Multimodal S.A. at Santos port, in Santos, Brazil May 25, 2023. REUTERS/Amanda Perobelli TPX IMAGES OF THE DAY 

Ships and warehouses containing grains and sugar are seen at TIPLAM (Integrator Port Terminal Luiz Antonio Mesquita) from VLI Multimodal S.A. at Santos port, in Santos, Brazil May 25, 2023. REUTERS/Amanda Perobelli 

A farmer shows wheat grains at a field in Al Qalyubia Governorate, Egypt, May 25, 2023. REUTERS/Mohamed Abd El Ghany 

A farmer shows wheat grains at a field in Al Qalyubia Governorate, Egypt, May 25, 2023. REUTERS/Mohamed Abd El Ghany 

A shopkeeper reads a newspaper near sacks of grains outside a shop at a wholesale market in Karachi, Pakistan May 24, 2023. REUTERS/Akhtar Soomro TPX IMAGES OF THE DAY 

Barbados-flagged bulk carrier Super Martinelli arrives at the sea port of Odesa after restarting grain export, amid Russia's attack on Ukraine, in Ukraine May 21, 2023. REUTERS/Serhii Smolientsev 

Barbados-flagged bulk carrier Super Martinelli arrives at the sea port of Odesa after restarting grain export, amid Russia's attack on Ukraine, in Ukraine May 21, 2023. REUTERS/Serhii Smolientsev 

Barbados-flagged bulk carrier F Line arrives at the sea port of Odesa after restarting grain export, amid Russia's attack on Ukraine, in Ukraine May 21, 2023. REUTERS/Serhii Smolientsev 

Tunisian farmer Hasan Chetoui, 64, displays wheat grains at his farm in Manouba, Tunisia May 18, 2023. REUTERS/Jihed Abidellaoui 

A view shows derailed wagons following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows a derailed wagon following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows derailed wagons following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows derailed wagons following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows a derailed wagon following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows derailed wagons following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows derailed wagons following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows derailed wagons following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows a derailed wagon following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows a derailed wagon following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

A view shows derailed wagons following an accident involving a freight train carrying grain in the Simferopol District, Crimea, May 18, 2023. REUTERS/Stringer 

Liberia-flagged bulker Eneida, carrying grain under UNÕs Black Sea grain initiative, waits for inspection in the southern anchorage of Istanbul, Turkey May 17, 2023. REUTERS/Mehmet Emin Caliskan 

Liberia-flagged bulker K Sukret, carrying grain under UN?s Black Sea grain initiative, waits for inspection in the southern anchorage of Istanbul, Turkey May 17, 2023. REUTERS/Mehmet Emin Caliskan 

Liberia-flagged bulker Eneida, carrying grain under UN?s Black Sea grain initiative, waits for inspection in the southern anchorage of Istanbul, Turkey May 17, 2023. REUTERS/Mehmet Emin Caliskan 

Barbados-flagged bulker Pacific Rose, carrying grain under UN?s Black Sea grain initiative, waits for inspection in the southern anchorage of Istanbul, Turkey May 17, 2023. REUTERS/Mehmet Emin Caliskan 

A view shows harvested wheat at a grain elevator and storage silo in Karbala, Iraq May 15, 2023. REUTERS/Thaier Al-Sudani 

A view shows harvested wheat at a grain elevator and storage silo in Karbala, Iraq May 15, 2023. REUTERS/Thaier Al-Sudani 

An excavator collects wheat grains at a silo in Karbala, Iraq May 15, 2023. REUTERS/Thaier Al-Sudani 

An aerial view shows an excavator collecting wheat grains at a silo in Karbala, Iraq May 15, 2023. After drought dealt a heavy blow to Iraq’s wheat production for several years, the country’s production of the strategic crop is expected to increase due to a shift to using desert wells for irrigation and a heavy rain season. REUTERS/Thaier Al-Sudani 

An aerial view shows an excavator collecting wheat grains at a silo in Karbala, Iraq May 15, 2023. REUTERS/Thaier Al-Sudani 

Belize flag bulker Queen Lila, carrying corn under UN's Black Sea grain initiative, waits for inspection in the northern anchorage of Istanbul, Turkey May 14, 2023. REUTERS/Yoruk Isik 

Vessels, carrying grain under UN's Black Sea Grain Initiative, wait for inspection in the southern anchorage of Istanbul, Turkey May 12, 2023. REUTERS/Yoruk Isik 

Belize-flagged bulker New Victory, carrying grain under UN's Black Sea Grain Initiative, transits Bosphorus in Istanbul, Turkey May 12, 2023. REUTERS/Yoruk Isik 

Amfitriti, a bulk carrier part of the Black Sea grain deal, and other commercial vessels wait to pass the Bosphorus strait off the shores of Yenikapi in Istanbul, Turkey, May 10, 2023. REUTERS/Mehmet Emin Caliskan 

A farmer operates a tractor while sowing corn seeds during sunset in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

An aerial view shows a tractor ploughing soil before corn seeds sowing in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

A farmer operates a tractor while sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

A farmer operates a tractor while sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

A farmer operates a tractor while sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

Farmers operate tractors while sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

An aerial view shows a tractor ploughing soil before corn seeds sowing in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

An aerial view shows a tractor sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

A farmer operates a tractor while sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

A farmer loads corn seeds before sowing a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

An aerial view shows a tractor ploughing soil before corn seeds sowing in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

An aerial view shows a tractor sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

A farmer loads corn seeds before sowing a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

A farmer operates a tractor while sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

An aerial view shows a tractor sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

A farmer operates a tractor while sowing corn seeds in a field during sunset near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

An aerial view shows a tractor sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

An aerial view shows a tractor sowing corn seeds in a field near the village of Chaltyr in the Rostov region, Russia, May 5, 2023. REUTERS/Sergey Pivovarov 

Agricultural worker Maksym checks the results of grain sowing in a field near the village Kyshchentsi, amid Russia's attack on Ukraine, in Cherkasy region, Ukraine May 1, 2023. REUTERS/Valentyn Ogirenko 

Dutch farmer Kees Huizinga checks the results of grain sowing in a field near the village Kyshchentsi, amid Russia's attack on Ukraine, in Cherkasy region, Ukraine May 1, 2023. REUTERS/Valentyn Ogirenko 

Dutch farmer Kees Huizinga checks the results of grain sowing in a field near the village Kyshchentsi, amid Russia's attack on Ukraine, in Cherkasy region, Ukraine May 1, 2023. REUTERS/Valentyn Ogirenko 

A worker of World Food Programme (WFP) carries a bag of relief grains to be distributed to Sudanese refugees who have fled the violence in their country, near the border between Sudan and Chad, in Koufroun, Chad April 28, 2023. REUTERS/Mahamat Ramadane 

A worker of World Food Programme (WFP) carries a bag of relief grains to be distributed to Sudanese refugees who have fled the violence in their country, near the border between Sudan and Chad, in Koufroun, Chad April 28, 2023. REUTERS/Mahamat Ramadane 

Russian ambassador to the U.N. Gennady Gatilov attends an ACANU briefing on the Black Sea grain deal at the Russian Mission to the United Nations in Geneva, Switzerland April 26, 2023. REUTERS/Denis Balibouse 

Russian ambassador to the U.N. Gennady Gatilov attends an ACANU briefing on the Black Sea grain deal at the Russian Mission to the United Nations in Geneva, Switzerland April 26, 2023. REUTERS/Denis Balibouse 

Russian ambassador to the U.N. Gennady Gatilov attends an ACANU briefing on the Black Sea grain deal at the Russian Mission to the United Nations in Geneva, Switzerland April 26, 2023. REUTERS/Denis Balibouse