Insect Pests of Fruits, Plantation, Medicinal & Aromatic Crops

Sampling

• Sampling requires that we take a representative part of the total population and base our estimate on that part. Sampling technique is the method used to collect information for a single sample.
  
• Sampling programme describes when sampling is to begin, location of samples, number of samples and how often samples should be taken.
  
• Common sampling techniques are In situ counts, knock down, netting, trapping, extraction from soil, indirect technique.