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day length |
Also found in: Wikipedia | 0.06 sec. |
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day length the number of daylight hours per day, increasing towards midsummer and the reverse towards midwinter. The effective trigger in the commencement and cessation of the breeding seasons in those species that demonstrate seasonal breeding. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Now that developing countries are collectively using more fertilizer than the industrial countries and, with few exceptions, using high-yielding varieties and other advanced technologies, ranking on the yield chart is determined largely by environmental factors, such as rainfall, daylength, and solar intensity. Since its arrival in North America in the mid-1980s, for instance, the Asian tiger mosquito has already fine-tuned its daylength sensitivity to suit various locations on the continent. |
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