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光合生产潜力
释义
光合生产潜力
Encyclopedia
农学
光合生产潜力
释
photosynthetic potential productivity
光合生产潜力
在作物群体结构及其环境因素处于最适宜状态时,由光能所决定的作物产量潜力。即,假设作物叶片周围二氧化碳浓度正常,温度条件适宜,水分供应充足,土壤养料充分,具有足够的叶面积承接95%以上的投射阳光,使太阳辐射被作物充分利用,则光能的一部分将转化为物化能而贮存在光合产物之中,其最终构成的含15%以下水分的干物质量。也可看作是最大的可能总生产量。又称光合潜力、光能潜力。
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