"You can convert your 15-ft. Deere 750 no-till drill to 20 ft. by attaching our heavy duty 2 1/2-ft. extension to each side of it. The extra 5 ft. lets you plant 33 percent more acres with each pass," says Joe Whitney, S.I. Distributing, St. Marys, Ohio, which offers the new add-on kit.

The extensions clamp onto each side of the drill with U-bolts and require that you respace the existing row units from 7 1/2 to 10 in. (or if your drill has 10 in. row units you convert them to 13 1/2 in.). You respace the openers as needed and add 2 ft. onto the end seed tubes in order to reach the units mounted on the extensions. (The seed tube extensions are supplied). Three row units are moved to each extension. The kit also includes a catwalk and guard rail extension. Bearings in the extensions are used to absorb up-and-down movement of the drill.

"Soybean yields shouldn't be affected by switching from 7 1/2 to 10-in. rows. However, farmers who use their drills to plant wheat may not want to switch to 10-in. rows. Also, it's not recommended for use with grass seed because the light seed can build up inside the bend that's formed by lengthening the seed tubes."