Drainage digest

Eitemau Tebyg

• Drainage Digest: A Report Based on Two Decades (1981-2002) of Reseach under AICRP (Drainage) At the Karumady Centre, Kerala
  gan: Mathew E K
  Cyhoeddwyd: (2004)
• Drainage digest: a report based on two decades (1981-2002) of research under AICRP (Drainage) at the Karumady centre, Kerala
  gan: Mathew, E.K
  Cyhoeddwyd: (2004)
• Field drainage
  gan: Livesley, M.C
  Cyhoeddwyd: (1960)
• DRAINAGE OF AGRICULTURAL LAND
  gan: US DEPARTMENT, OF AGRICULTURE
  Cyhoeddwyd: (1990)
• Field drainage
  gan: Livesley, M C
  Cyhoeddwyd: (1960)