Vertical brush seed metering device for sweet sugar beet planter.Published in:International Journal of Agricultural & Biological Engineering, 2010, v. 3, n. 1, p. 26, doi. 10.3965/j.issn.1934-6344.2010.01.026-037By:Ebrahem, Ismail Z.;Amer Eissa, Ayman H.;Wang YingkuanPublication type:Article