Land drainage : Principles, methods and applications /

Eitemau Tebyg

• DRAINAGE OF AGRICULTURAL LAND
  gan: US DEPARTMENT, OF AGRICULTURE
  Cyhoeddwyd: (1990)
• Design of land drainage
  gan: Thorn, Roland Berkaley
  Cyhoeddwyd: (1959)
• Land drainage principles methods and applications
  gan: Bhattacharya, A K, et al.
  Cyhoeddwyd: (2003)
• Land drainage and reclamation
  gan: Ayres, Quincy Claude
  Cyhoeddwyd: (1939)
• Field drainage
  gan: Livesley, M.C
  Cyhoeddwyd: (1960)