Manual of soil and water conservation practices

Podobne zapisy

• Manual of soil and water conservation practices
  od: Gurmel, Singh
  Wydane: (1990)
• Soil and water conservation for productivity and environmental protection /
  od: Troeh, Frederick R.
  Wydane: (1980)
• Manual on conservation of soil and water
  Wydane: (1964)
• Soil & Water conservaiton for productivity and environmental protection
  od: Freelerick R, Hobbs Arthur J
  Wydane: (1980)
• MANUAL OF SOIL AND WATER CONSERVATION PRACTICES
  od: SINGH, GURMEL, i wsp.
  Wydane: (1996)