叶面积是与产量关系最密切、变化最大,同时又是比较容易控制的一个因素,许多增产措施,包括合理密度和合理肥水技术之所以有显著的增产作用,主要在于适当地扩大了叶面积。叶面积小不好,但叶面积过大又会造成群体内光照条件恶化,影响光合作用和产量。
... high speed steel plate 高速钢盘 cotyledon area 叶面积 civil air transport 民用航空运输 ...
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许多研究表明,植物叶长和叶面积随海拔升高 而降低,但叶子变厚,因此单叶质量会增加,而比 叶面积(SLA, Specific Leaf Area)降低 [11, 51, 54] 。这是 因为随着海拔上升,气候条件变得越来越恶劣。
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The rate of leaf area decreasing could be found between cultivars/lines.
品种间叶面积下降的速率存在差异。
参考来源 - 寒地水稻秕粒形成的源库调节Substantial studies showed that leaf area index of vegetation is the link of spatial scaling, and the distribution patterns of leaf area index are one of the most important theories for the sacling of located ecosystem researches.
大量研究表明,植被叶面积指数是进行空间尺度拓展的连接点,而且叶面积指数的地带性分布规律是进一步拓展生态系统定位站研究结果的重要理论依据之一。
参考来源 - 区域尺度陆地生态系统生物生产力研究方法·2,447,543篇论文数据,部分数据来源于NoteExpress
叶面积在封闭和通气条件下分别增加了5倍和3倍。
The leaf area increased 5 and 3 fold in the closed and diffusive conditions, respectively.
甘蔗叶型主要包括两个方面:叶片角度和叶面积大小。
The leaf types of sugarcane mainly includes two characteristics:leaf area and leaf angle with main stalk.
植株的株高、复叶数、叶绿素含量和总叶面积都显著提高;
The plant height compound leaf number chlorophyll content and total leaf area were significantly increased.
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