Machine of the week: Marunaka soil injection sprayer

Some of the turfgrass maintenance equipment manufactured in Japan may be useful for turf managers in other parts of the world. See for example the Hatsuta and Baroness brand core sweepers for greens, which are a staple piece of equipment in maintenance sheds in Japan, and are finally starting to be used more widely around the world.

This "green irrigation machine"—directly translated from the manufacturer Marunaka's product description—is what I'd call a soil injection sprayer. It's kind of like a…