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首页> 外文期刊>Journal of Agrometeorology >Surface energy fluxes in wheat (Triticum aestivum L.) under irrigated ecosystem
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Surface energy fluxes in wheat (Triticum aestivum L.) under irrigated ecosystem

机译:灌溉生态系统下小麦(Triticum aestivum L.)的表面能通量

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The surface energy fluxes were measured over irrigated wheat during winter season. 2008-09 and 2009-10 sown on first week of November. Study revealed that the net radiation flux (Rn) varied from 420 to 693 was during 2008-09 and 328 to 926 W m-2 during 2009-10 in different growth stages. The soil heat flux was higher during initial and senescence growth stages (13 to 15 % of net radiations) as compared to peak crop growth stages (6 to 9 % of net radiations). The latent heat flux showed apparent correspondence with the growth which varied from 247 to 387 W m-2 during 2008-09 and 209 to 569 W m-2 during 2009-10 in different growth stages. Study revealed that LAI was positively related with intercepted photosynthetically active radiation (IPAR).
机译:在冬季测量了灌溉小麦的表面能通量。 11月的第一周播出了2008-09年和2009-10年。研究表明,在不同生长阶段,净辐射通量(Rn)在2008-09年期间为420至693 Wm,在2009-10年期间为328至926 W m-2。与作物生长高峰期(净辐射的6%到9%)相比,初始和衰老生长阶段的土壤热通量更高(净辐射的13%到15%)。在不同的生长阶段,潜热通量与生长有明显的对应关系,在2008-09年期间为247至387 W m-2,在2009-10年期间为209至569 W m-2。研究表明,LAI与截获的光合有效辐射(IPAR)正相关。

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