Down stop for agricultural closing discs

An agricultural planting apparatus, comprising:

• a chassis;
• a row unit carried by said chassis, said row unit including:
• a unit body carried by said chassis;
• a metering device carried by said unit body;
• at least one furrowing disc carried by said unit body;
• at least one pressing wheel carried by said unit body behind said furrowing disc in a direction of travel;
• a travel arm carried by said unit body, pivotally movable relative to said unit body and defining a travel path;
• at least one closing disc positioned behind said at least one furrowing disc and in front of said at least one pressing wheel in the direction of travel and pivotally movable along the travel path by said travel arm;
• and
• a stop having a stop portion placed in the travel path of said travel arm and configured to limit a vertical travel of said at least one closing disc, said stop having at least one adjustment feature formed thereon, said at least one adjustment feature allowing said stop portion to be held in at least two different locations in the travel path.