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Evaluation of gross nitrogen turnover rates

On Monday, 26/06/2017, three teams left in the early morning for new experiments on the SUSALPS sites in Esterberg, Graswang (see pictures) and Fendt. The aim was to determine gross nitrogen mineralization and nitrification rates, in other words to determine how much organic bound nitrogen is transformed to inorganic nitrogen compounds and how much ammonium is converted to easily soluble and hence plant available nitrate. The experiments aim to better understand the nitrogen transformation processes in the soil and to analyze how a warmer climate and different grassland management affects these processes.