The invention relates to a soil treatment machine (100), such as a distributing machine in the form of a fertilizer spreader or a sowing machine, and to a plowshare suitable for such a soil treatment machine. The soil treatment machine comprises an injecting device (1) for laying solid particulate materials, material to be spread, or seeds, in a soil (4), wherein the injecting device comprises a main body (10) and an outlet body (12) for the materials, which outlet body is arranged at the lower end of the main body, and wherein furthermore a slit-closing device (17) is arranged behind the injecting device. For this purpose, the slit-closing device, according to the invention, is provided on the back side of the main body of the injecting device, as viewed in the direction of travel, and has one or a plurality of scraping elements (18), which are designed to reclose the slit in the soil produced by the main body, in that the scraping elements scrape the side walls of the slit produced in the soil.
