Nitrogen balances of different organic and conventional farming systems

From the report “Nitrogen balances and nitrogen-use efficiency of different organic and conventional farming systems“, from Hung-Chun Lin, Julia A. Huber, Georg Gerl and Kurt-Jürgen Hülsbergen, published in Nutrient Cycling in Agroecosystems by Springer   Nitrogen (N) is the most important yield-limiting factor in agricultural systems, however, N application can lead to emissions and environmental problems such as global warming…