An agricultural system includes a frame configured for attachment to a leading tow bar of a towing vehicle, and at least one roller device attached to the frame and extending between two adjacent parallel strip positions. The roller device is configured to crush standing residual plant matter in the field. The system further includes a fertilizer opener disk attached to the frame and which is configured to prepare, at least in part, a furrow for receiving a fertilizer. The system also includes a fertilizer injector attached to the frame and which is configured to deposit the fertilizer into the furrow in a trailing position relative to the fertilizer opener disk.