The Argentine province of Entre Rios was affected by an unusual frost this weekend when the temperature dropped to -5º C. The intense cold affected a large part of the region's mandarin and orange production. The meteorological phenomenon affected the departments of Concordia and Federacion the most.
The polar vortex that enveloped much of the Midwest early this year has nearly wiped out the peach crop in southwestern Michigan. And it’s not just peaches, which Michigan is known for. Some of the region’s apricot, plum and apple crops also might be affected after the blast of polar air plummeted temperatures to minus 20 degrees in late January around the state.
Frequent rain and cooler temperatures are keeping many Wisconsin farmers out of their fields this spring. The latest crop progress report from the National Agricultural Statistics Service (NASS) shows only 7 percent of the state's corn crop has been planted. That's eight days behind the five-year average.
As trees begin growth in the spring, buds begin to swell and lose the ability to withstand cold temperatures. There is a range of temperatures over which damage occurs with more and more buds and flowers damaged at lower and lower temperatures until all the fruit buds are killed. Often the freeze will only damage some of the flowers, typically beginning with the most developed ones or those lower on the tree.
Temperatures in Denmark dropped dramatically over the weekend. Danish fruit growers fear this will have a negative impact on the harvest later in the year. Bendt Olsen farms in Odder, Denmark. He cultivates apples, pears, berries, and flowers. His plants, bushes, and fruit trees are not resistant to sub-zero temperatures.
Freezing temperatures in Poland have resulted in damaged crops. Although the extent of the damage is still unknown, it is certain the Polish farmers will lose some of the produce. The frost has effected apples and all kinds of soft fruit. It will take a couple of months to fully understand the consequences of the unfortunate weather conditions.
Due to the high temperatures, apple blossoms developed early this year, according to Jan Flemming Jensen of Kiviks Musteri. If there’s now a period of night frost, it could result in major losses and a bad harvest. The buds can handle up to five degrees of frost, but as soon as it develops into blossom, temperatures have to remain above zero.
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