For those who are interested in making corn fields, minitec offers corn in Z, N, TT and HO scales. Each stainless steel fret has 112 N scale plants (11.97 Euros or ~$16.47) or 84 Z scale plants (8.19 Euros or ~$11.27). By comparison, Alkem's brass frets have 230 N scale plants for $29.95.
Alkem N scale, top; minitec N scale, left; minitec Z scale, right:
Close-up of minitec Z scale corn:
The corn comes with a nice-looking color instruction booklet, in German only:
Minitec also makes fine ballast and scenery-making products, roadbed materials, and a few other assorted items. The English version of their website is not yet finished, but they can handle inquiries and orders in English, and they accept PayPal.
http://www.minitec24.de/