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Measuring Potassium in Vegetation

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Measuring Potassium in Vegetation

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Potassium is an essential nutrient for plant growth and reproduction. Management of potassium in crops is required to provide enough food for a growing world population. Along with nitrogen, potassium fertilizer is applied to stimulate plant growth and metabolism. By measuring potassium content in vegetation researchers and farmers can estimate plants that are stressed by potassium deficiency and apply corrective measures. Spectroscopy can be a useful tool in measuring the lack of potassium in vegetation. It is fast, inexpensive, non-destructive and measurements can be taken in situ. Measurements can be taken at the leaf level to show the difference in reflectance between K deficient leaves and healthy leaves.

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