@inproceedings{BoehmFreeseSchmidtetal.2013, author = {Christian B{\"o}hm and Dirk Freese and C. Schmidt and Reinhard F. H{\"u}ttl}, title = {Alley cropping - an option to combine crop and woody biomass production at degraded post-mining sites in Germany}, booktitle = {Book of Abstracts, 2nd World Congress of Agroforestry, Agroforestry - The Future of Global Land Use}, pages = {S. 253}, url = {http://www.worldagroforestry.org/wca2009/reports/docs/Book\%20of\%20Abstracts-Final\%20with\%20Index\%20new.pdf}, year = {2013}, }