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In-Situ Identification of Soil Clay Minerology using UV-VIS-NIR Spectrometers

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In-Situ Identification of Soil Clay Minerology using UV-VIS-NIR Spectrometers

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Soil mineral detection is a critical metric in environmental, geological, and soil research today. Most soils are a mixture of organic material, clay, sand, and silt. Due to their large surface area and negative charge clays play a critical role in nutrient availability. Common plant nutrients are positively charged, such as CA++, Mg++, K+ and Na+. The ability to hold and store positively charged ions is called cation exchange capacity (CEC). Clay also acts as a binder for soil particles, helping soil hold moisture and reduce nutrient loss due to leaching.

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