Large topsoil organic carbon variability is controlled by Andisol properties and effectively assessed by VNIR spectroscopy in a coffee agroforestry system of Costa Rica
文摘
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<p id="p0295">We undertook this study in a coffee agroforestry farm on Andisols.p>
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<p id="p0300">Andic soil properties showed strong correlations to surface SOC concentrations.p>
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<p id="p0305">We successfully built a SOC prediction model using VNIR spectroscopy.p>
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<p id="p0310">Geostatistical methods were confounded by the presence of a high nugget effect.p>
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<p id="p0315">Random Forest with andic soil properties interpolated SOC most accurately.p>
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