Document Type

Full Issue

Publication Date



The most destructive weather enemy in all fruit growing sections is the late spring frost which frequently occurs after warm weather has caused the fruit blossoms to become fully developed. The variation in severity of such frosts in mountain valleys is a phenomenon well known to the practical orchardist. The actual extent of this variation and the contributing causes have claimed only a very little attention from scientific workers in the mountainous regions. The present publcation is a preliminary report of investigations which were planned to measure the extent of such temperature variations, and acertain if possible some of the causes which bring about their occurrence.



To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.