assessment of crop losses due to pests and diseases : proceedings of the workshop held from Sept.19-30 ,1977 at UAS , Bangalore

Những quyển sách tương tự

• Assessment of crop losses due to pests and diseases: (proceedings of the workshop held from sept. 19-30, 1977 at UAS, Banglore)
  Được phát hành: (1980)
• Crop loss assessment and pest management
  Bằng: Teng, P S
  Được phát hành: (1987)
• Pest population and assessment of crop losses
  Bằng: A S Atwal Balraj Singh
• Pest population and assessment of crop losses
  Bằng: Atwal A S, Balraj Singh
  Được phát hành: (1989)
• Pest Population and Assessment of Crop Losses
  Bằng: Atwal, A S
  Được phát hành: (1989)