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首页> 外文期刊>Computers and Electronics in Agriculture >An automatic and portable Wiltmeter leaf turgor measurement device
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An automatic and portable Wiltmeter leaf turgor measurement device

机译：自动和便携式的测温仪叶片膨胀度测量装置

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The Wiltmeter is a non-invasive device that provides estimates of leaf cell turgor pressure in the field. It can be used for the quantification of the hydration of leafy vegetables and as supplementary method to gauge the irrigation scheduling efficiency. It also enables direct inferences about the occurrence of water stress on plants. The traditional non-automated Wiltmeter, however, requires careful and tiring procedures and it is also subjected to interference of the operator handling. In that way, the automatic and portable Wiltmeter herein described presents some improvements to make the instrument more robust, easier and practical. Fully automatic and portable versions of the Wiltmeter, prepared with a load cell and a FSR force sensor are described and compared to a reference non-automated instrument. The proposed automatic Wiltmeter has shown a correlation R-2 greater than 0.9 and curve slope close to one in both prototypes when compared to a reference non-automated Wiltmeter, showing that the new automatic Wiltmeter is a practical and reliable device for non-destructive leaf turgor studies and analysis, which even can be set to perform stand alone periodic measurements. (C) 2015 Elsevier B.V. All rights reserved.
机译：Wiltmeter是一种非侵入式设备，可提供野外叶片细胞膨胀压力的估计值。它可用于定量叶类蔬菜的水合作用，并作为衡量灌溉计划效率的补充方法。它还可以直接推断出植物上水分胁迫的发生。然而，传统的非自动通量计需要仔细和累人的程序，并且还受到操作员操作的干扰。以此方式，本文所述的自动便携式测温仪提出了一些改进，以使仪器更坚固，更容易和实用。描述了由测力计和FSR力传感器准备的全自动和轻便型的威尔特计，并将其与参考非自动化仪器进行了比较。与参考非自动Wiltmeter相比，两个原型中建议的自动Wiltmeter的相关性R-2均大于0.9，曲线斜率接近1，这表明新型自动Wiltmeter是一种实用且可靠的无损叶片检测装置turgor研究和分析，甚至可以设置为执行独立的定期测量。 （C）2015 Elsevier B.V.保留所有权利。

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