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Once the grain has been removed from the field, the stubble should be mulched as quickly as possible to encourage volunteer grain, weeds and grass weeds to sprout and to break the capillarity of the soil, which prevents it from drying out. The time window for this operation is usually very narrow, so effectiveness and power are required. Together with the Ingolstadt-Pfaffenhofen Office for Food, Agriculture and Forestry, the Ilmtal Machinery and Operational Aid Association organized an information afternoon on this topic. The points of stubble cultivation, erosion protection, water balance and climate impact were examined from a technical perspective and various devices were then used. 13:00 - Disc harrow 18:10 - Wing share cultivator 22:10 - Knife roller-rotary harrow combination 27:11 - Large spring tine harrow 37:00 - Roller harrow 41:45 - GrindStar - the new rotary grinder from Saphir 47:15 - Conclusion