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Thursday, May 3, 2018 at 12:20pm to 1:10pm
Nitrogen (N) plays a critical and complex role in the Earth's ecosystems and is often a limiting nutrient in agriculture. We investigated four processes that could be used to better understand the global N cycle and improve sustainable N delivery to crops. These include: N storage and transport by pyrogenic organic matter (PyOM), N use efficiency in PyOM-compost mixtures, microbially facilitated plant uptake of N from soil organic matter, and the contribution of subsurface ammonia to plant and fungal N nutrition.