Similar Items

• The Principles and Practice of Agricultural Research
  by: Salmon, S. C.
• Agricultural extension /
  by: Ban, A. W. van den.
  Published: (1996)
• Irrigation Principles and Practices
  by: W.Israelsen, Orson.
• Prıncıples of Irrıgatıon Practıce
  by: Wıdtsae, John A.
  Published: (1926)
• The principles of irrigation practice /
  by: Widtsoe, John A.
  Published: (1915)