day degrees

'day degrees' can also refer to...


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  • Plant Sciences and Forestry


Quick Reference

The departure of the average daily temperature from a defined base (e.g. the minimum recognized temperature for the growth of a plant species). The number of day degrees may be totalled to assess the accumulated warmth of a particular year's growing season for crops. See also accumulated temperature; agrometeorology; and month degrees.

Subjects: Plant Sciences and Forestry.

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