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Show Notes
Tangriani holds a doctorate in Agronomy at the Federal University of Paraná and INRAe -FR – Clermont-Ferrand. Her thesis was on nitrogen cycling in integrated crop-livestock systems. In 2015 she served as a visiting scientist in the Soil Management and Ecology team led by Dr. Alan Franzllubers at North Carolina State University. She is a full professor in the Department of Agronomy at the Federal University of Technology – Paraná – Pato Branco. She teaches “Soil Fertility”(undergraduate) and “Nutrient Cycling” (graduate). Her research focuses on system-level fertilization, a concept that relies on biological nutrient cycling between rotation phases to achieve nutrient use efficiency, thereby reducing mineral nutrient inputs, avoiding losses, and maintaining long-term soil fertility. This approach contrasts with the more typical paradigm of fertilization of individual cash crops within a rotation, where the residual effect of fertilizers is considered minimal and is typically ignored. System-level fertilization considers all crops (pastures and cash crops) in the fertilization scheme with rotational carryover (i.e. either directly from inorganic forms or indirectly through organic N mineralization) as key components.