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Figure : longer-frostfree-season-increases-stress-on-crops
Longer Frost-free Season Increases Stress on Crops
This figure appears in chapter 20 of the Climate Change Impacts in the United States: The Third National Climate Assessment report.
The frost-free season is defined as the period between the last occurrence of 32°F in spring and the first occurrence of 32°F in the subsequent fall. The chart shows significant increases in the number of consecutive frost-free days per year in the past three decades compared to the 1901-2010 average. Increased frost-free season length, especially in already hot and moisture-stressed regions like the Southwest, is projected to lead to further heat stress on plants and increased water demands for crops. Higher temperatures and more frost-free days during winter can lead to early bud burst or bloom of some perennial plants, resulting in frost damage when cold conditions occur in late spring (see Ch. 6: Agriculture); in addition, with higher winter temperatures, some agricultural pests can persist year-round, and new pests and diseases may become established.4442506b-fbba-41ea-9cef-1eac88ce2049 (Figure source: Hoerling et al. 2013c9075dbc-f7c8-4d85-b534-e97282562b3e).
When citing this figure, please reference Hoerling et al. 2013c9075dbc-f7c8-4d85-b534-e97282562b3e.
Copyright protected. Obtain permission from the original figure source.
This figure was created on November 18, 2013.
ProvenanceThis figure was derived from Assessment of Climate Change i...
- Assessment of Climate Change in the Southwest United States: A Report Prepared for the National Climate Assessment (4442506b)
- Assessment of Climate Change in the Southwest United States: A Report Prepared for the National Climate Assessment (c9075dbc)
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