Figure 9.2.1. Observed Changes in the Frost-free Season. The frost-free season length is the period between the last occurrence of 32°F in the spring and the first occurrence of 32°F in the fall. Increases in frost-free season length correspond to similar increases in growing season length.
Originally uploaded in Integrate:Teaching for Sustainability:InTeGrate Modules:Future of Food:Student Materials.
Image 174642 is a 494 by 700 pixel WebP
Uploaded:
Jan3 18