Abstract
Potassium is one of the most absorbed macronutrients by crops, having low availability in tropical soils, being important to N metabolism and to ensure high crop yield with quality and low disease incidence. In this chapter, we discuss initially (1) basic aspects of K in the soil; (2) K uptake, transport, and redistribution; (3) K metabolism; (4) nutritional requirements for K in crops; (5) K extraction, export, and accumulation by the main crops; and (6) K deficiency and toxicity symptoms.
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de Mello Prado, R. (2021). Potassium. In: Mineral nutrition of tropical plants. Springer, Cham. https://doi.org/10.1007/978-3-030-71262-4_7
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DOI: https://doi.org/10.1007/978-3-030-71262-4_7
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