Yield outlook for summer crops further reduced
According to the August issue of the JRC MARS Bulletin - Crop monitoring in Europe, published today, the exceptionally hot and dry weather conditions in much of Europe continued to substantially reduce yield outlooks for the EU’s summer crops. The crops most markedly affected are grain maize (-8.6% at EU level), sunflowers (-5.5%) and soybeans (-9.6%). Current yield forecasts for these crops are between 12% (sunflowers) and 16% (grain maize) below the 5-year average.
Conversely, the hot and dry conditions benefited the harvesting of winter crops, which saw a slight improvement in yield forecasts.
Extremely dry and hot conditions throughout most of Europe
Spain, France, central and northern Italy, central Germany, Hungary, Romania, Slovenia and Croatia are among the most severely affected regions in Europe. These regions had already been affected by long-term rain deficits. Periods of water and heat stress partly coincided with the sensitive flowering and grain-filling stages. This combination resulted in irreversibly lost yield potential. Several countries have imposed measures to restrict water use for irrigation. In some regions (e.g. north-western Italy, southern and central Spain), the very low water levels in reservoirs have been insufficient to meet the water needs of crops, and irrigation of some fields has been abandoned.
In the Benelux countries, western Germany, western Poland, eastern Slovakia, Bulgaria and southern Ukraine, the scarcity of rainfall combined with occasional peaks in temperature also stressed summer crops, with negative effects on the yield outlook.
Rainfall surplus in Latvia and Lithuania negatively affects winter crops
While the lack of precipitation favoured the harvesting of winter crops in most countries, a distinct rainfall surplus in Latvia and Lithuania negatively affected winter crops during the last stages of grain filling and ripening, and may have caused some delay to the start of the harvest.
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- Publication date
- 22 August 2022
- Joint Research Centre