Biogas Digestates as Organic Fertilizer in Different Crop Rotations - The Third Year

B. Formowitz, M. Fritz & F. Heimler
With the intention to close nutrient cycles by using biogas digestates as organic fertilizer in pure and mixed treatments, a satellite experiment was set up in 2009 to compare their humus accumulation capacity to an exclusive mineral fertilization. Results of the first two years were already presented at the 18th and 19th Biomass Conference in 2009 and 2010. Surveys of the third year and the comparison with the previous ones are presented in this contribution....