Effect of potassium fertilization on sweet potato cultivation
Fábio Satoshi Higashikawa,
Claudinei Kurtz,
Daniel Pedrosa Alves
et al.
Abstract:The sweet potato yield in Brazil remains significantly below the crop potential, primarily due to either the absence or inadequate application of fertilizers. This study aimed to assess the sweet potato yield, soil potassium availability, nutrient uptake in shoots, storage roots and whole plant, as well as the correlation between nutrients, with increasing rates (0, 50, 100, 200 and 350 kg ha−1) of K2O, in Humic Cambisol. After harvesting, the total and marketable yield of storage roots, soil available K level… Show more
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