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Aims As ammonium (NH4+) has been reported as the “preferred” mineral N source for sugarcane (Saccharum spp.), the predominant supply of NH4+ has been hypothesized as a means of increasing the 15N recovery and crop yield. We aimed to evaluate the 15N recovery by sugarcane as affected by 15N-NH4+ and 15N-NO3− addition. Methods Under field conditions, 15N-labeled ammonium nitrate [labeling as 15NH4...
The application of micronutrients on the sugarcane crop in Brazil is not a widespread practice, due to the few studies developed under Brazilian conditions. Nevertheless, the crop advance to lower fertility soils and the introduction of varieties with greater yield potential will change the nutrient management. In this context, two experiments were developed with boron (B) or zinc (Zn) application...
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