Effekte einer punktuellen Düngerapplikation in Mais

Abstract

Improving fertilizer efficiency requires revising established procedures and using new methods and procedures. Therefore, a system for the precise application of fertilizer in maize cultivation was developed and tested in the laboratory and in the field. This technical development was accompanied by manual field trials to test the relevance of this novel application method for crop production. Yield-neutral savings potential of up to 50% of the current starter fertilizer application by the more precise fertilizer application was shown. A significant yield increase (α < 0.05) of 6 to 7% was documented with the same fertilizer input. Based on the results of the agronomic field trials, a method for mechanically applying this precise fertilizer placement method was developed and validated.