TY - JOUR A1 - Degener, Jan F. A1 - Kappas, Martin T1 - Differences in biomass yield development of early, medium, and late maize varieties during the 21st century in Northern Germany Y1 - 2015 VL - 27 IS - 10 JF - Environmental Sciences Europe DO - 10.1186/s12302-015-0042-9 DO - 10.23689/fidgeo-2718 UR - http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/7031 ER -