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Agronomic efficiency of polymer-coated triple superphosphate in onion cultivated in contrasting texture soils Rev. Ciênc. Agron.
Chagas,Wantuir Filipe Teixeira; Guelfi,Douglas Ramos; Emrich,Eduardo Bucsan; Silva,André Leite; Faquin,Valdemar.
ABSTRACT Information related to phosphate fertilization and coated phosphate fertilizer in onion is scarce. Thus, this study was carried out to evaluate agronomic efficiency, production and nutritional characteristics of triple superphosphate coated with polymers in onion cultivated in contrasting texture soils. Two experiments were carried out under protected conditions in pots containing 5 kg soil. The experimental design was completely randomized with treatments arranged in a 2 x 5 factorial: triple superphosphate (TSP) and polymer-coated triple superphosphate (TSP+P) applied in five phosphorus rates: Dystroferric Red Latosol (LVdf) (clayey) = 0; 100; 200; 400; 800 mg P2O5 kg-1, and Quartzarenic Neosol (sandy) = 0; 75; 150; 300; 600 mg P2O5 kg-1, with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allium cepa L.; Coated fertilizers; Phosphorus.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902016000300439
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