Extreme temperatures threaten Argentina's corn production

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Last week, Argentina generally experienced hot and dry weather, except for certain areas in Buenos Aires and La Pampa where moisture stress was reported due to the high temperatures. 

Currently, the corn crop in Argentina is in various stages of development. For the corn crop in Argentina overall, 43% of corn plants are in the pollination stage, 20% are in the grain-filling stage, and 5% of the grains are in the maturation stage. In the main production areas, the development of corn plants is more advanced, with 65% in the grain-filling stage and 15% in the maturation stage. This indicated that the impact og the weather varies depending on the region, and late-planted corn crops appear to be the most affected by the high temperatures. 

As a result, the estimate for the corn crop in Argentina for the 2023/24 season has been adjusted downward by 2 millions tons. Furthermore, the condition of the Argentine corn crop was assessed as 15% poor/very poor, 54% fair, and 31% good/excellent. The percentage of corn plants in the good/excellent category has decreased by 3% compared to the previous week.

Corn crop in Carlos Tejedor, Buenos Aires. Source: Noticias Agricolas.

Temperatures are still expected to be above normal in the coming days, but not as extreme as last week. At the same time, there are improved chances of rainfall in large parts of Argentina. However, rainfall will only help to stabilize the crop and will not be able to compensate for the already lost yields. 

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