Seed production manual:prepared especially for use in seed improvement training courses

Eitemau Tebyg

• Seed processing , storage and distribtion manual: prepared especially for use in seed improvement training courses
  gan: Douglas
• Training course in seed testing and seed certification
  gan: Sukumara dev, V P
  Cyhoeddwyd: (1980)
• Corn : improvement, seed production & Uses
  gan: Jugenheimer, Robert W
  Cyhoeddwyd: (1976)
• Corn improvement seed production and uses
  gan: Jungenhermer, R W
  Cyhoeddwyd: (1976)
• Seeds and their uses
  gan: Duffus, C M
  Cyhoeddwyd: (1980)