Plant nutrition for sustainable development and global health
Recirculation of mineral elements within the plant, and the delivery of mineral elements to non-transpiring or xylem-deficient tissues, occurs via the phloem. K, Na, Mg, Cd, N, P, S, Se and Cl are transported readily, but Fe, Zn, Cu, Mo and iodine (I) are less mobile, and Mn and Ca are essentially immobile in the phloem of most plant …
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