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Tightening nitrogen fertilizer supplies raise alarm

The head of the world’s leading fertilizer company is worried that food production will falter as nitrogen fertilizer supplies tighten.

“We are deeply concerned about the state of global agriculture,” Svein Tore Holsether, president of Yara International, said during the company’s third quarter 2022 conference call.

Fertilizer supplies are being squeezed as manufacturers curtail production due to sky-high natural gas prices. That is happening amid what Holsether described as an “escalating food crisis.”

The U.S. Department of Agriculture’s Economic Research Service estimates there are 1.3 billion food-insecure people in 77 low- and middle-income countries in 2022, up 10 percent from last year due to COVID-19 and the war in Ukraine.

Farmers around the world will likely be lowering their application rates of nitrogen fertilizer due to high prices of the vital crop input.

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LALEXPERT: Sclerotinia cycle and prophylactic methods

Video: LALEXPERT: Sclerotinia cycle and prophylactic methods

White rot, also known as sclerotinia, is a common agricultural fungal disease caused by various virulent species of Sclerotinia. It initially affects the root system (mycelium) before spreading to the aerial parts through the dissemination of spores.

Sclerotinia is undoubtedly a disease of major economic importance, and very damaging in the event of a heavy attack.

All these attacks come from the primary inoculum stored in the soil: sclerotia. These forms of resistance can survive in the soil for over 10 years, maintaining constant contamination of susceptible host crops, causing symptoms on the crop and replenishing the soil inoculum with new sclerotia.