Dec 25, 2016 · Four-row planter. Nico Brits, based in Vasfontein, Pretoria, manufactures a range of implements for small-scale farmers, including the five-row planter seen here. It is available in manual models from one to five rows and tractor models from five to 12 rows. Standard row width is 160mm, but this is adjustable up or down in 25mm increments.