Instantaneous accounting for leaf water in X-ray fluorescence spectra of corn grown in manure- and fertilizer-amended soils
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- 作者：Thanh H. Dao thanh.dao@ars.usda.gov" class="auth_mail" title="E-mail the corresponding author
- 关键词：Labile phosphorus status ; In situ foliar analysis ; Spectroscopic nutrient sensing ; X-ray fluorescence ; Foliar macronutrient sensing ; Crop P status ; Real time foliar water content
- 刊名：Computers and Electronics in Agriculture
- 出版年：2016
- 出版时间：1 November 2016
- 年：2016
- 卷：129
- 期：Complete
- 页码：84-90
- 全文大小：586 K
文摘
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A new XRF method for real-time water and element-specific composition of seedlings.
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The anode's scattered radiation intensities allowed correction for leaf water.
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Normalized P-Kα intensities improved real time P analysis in green leaves.
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Direct evidence of nutritional status and reflection of soil P bioavailability.
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New paradigm for field-specific re-calibration of crop responses and fertility needs.
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