Origin of pest, parasite,diseases and weed problems

Antzeko izenburuak

• Origins of pest, parasite, disease and weed problems
  nork: Cherrett, J M
  Argitaratua: (1977)
• Aquatic weeds: their menace and control
  nork: Gupta, O P
  Argitaratua: (1979)
• PARASITIC WEEDS OF THE WORLD: BIOLOGY AND CONTROL
  nork: PARKER, C, et al.
  Argitaratua: (1993)
• Weed destruction: a farmers and students guide
  nork: Evans, Stanley A
• WEEDS
  nork: ARACHI,J.X
  Argitaratua: (1960)