作者: Jairo Osvaldo Cazetta , Renato de Mello Prado , Joani Cristina Hungaro Aires da Gama Basto
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摘要: SUMMARY Silicon is a beneficial element that can increase the yield of sugarcane, especially when associated with nitrogen. The aim this study was to evaluate effects silicate slag as source Si and its interaction soil N on nutrition dry matter production sugar cane. treatments consisted two sources correctives (limestone slag) in three doses (one half, once twice dose shown V 60%), rates (300 e 600mg·dm -3 ) administered urea, control (without corrective without N), arranged completely randomized factorial design 2×3×2+1, four replicates. Each experimental unit constituted by 40dm 3 pot filled an Oxisol (V= 10% Si= 10.3mg·dm ), 4 seedlings (SP79-1011). nutritional status (Si N) evaluated 10 months after planting well content shoot matter. application increased available plant. materials improved sugarcane. Nitrogen fertilization not significant for sugarcane-plant, regardless material.