Spraying & Equipments in Tea


 Spraying

With the process we Spray Pesticides, Weedicide & foliar in Tea plantation . It should apply after Plucking to avoid chemical's residue on leaves.

For better result & avoiding mistakes by workers, always use seperate hand sprayer for Pesticides and Weedicide (Red colour).



  • Spraying Technique - The way of Spraying in tea plantation. 


  • 1. Directional Method - In this method we take one side(one direction left or right) in spraying and after completion of that side , we spray other side. This is best technique for effective spraying.


  • 2. SwingingMethod - But in this we can Spray both side(left & right) during spraying.




  • Spray Equipments -


  • 1. High Volume/ Hand Sprayer -1 Hand sprayer control 6 hectares in whole season. 
  • It hold 40 - 60 pound/sq inch pressure during spraying work


  • A) Continuous Type -

  • a) Pressure Retaining Type - Example

  • i) Pneumatic Knapsack

  • b) Pressure Non-Retaining Type - 
  1. In 30 minute achieved 22 Nulls distance during spraying with Duromist nozzle.

  • i)Bakpak- 
  1. Tank capacity- 13 ltrs
  2. time taken in 13 ltrs solution Spraying 29 minutes with Duromist nozzle

  • ii) V-2007 - 

  1. Tank capacity- 15 ltrs
  2.  time taken in 15/16 ltrs solution Spraying 33/34 minutes with Duromist nozzle.

  • iii) Knapsack
  • iv) Stir up pump


  • B) Non-Continuous Type



  • 2. Low Volume / Power Sprayer -1 power sprayer control 25 hectares in whole season. It is best that on 1 power sprayer there should be 3 hand sprayers.

  • Its droplets size - 50-1500 micron during spraying.


  • A) Mist Blower - 

  • a) Cifarelli - 

  1. Tank Capacity- 17 Litres
  2. Fuel consumption - 2 ltrs/ha.
  3. In 1 minute achieved 75 Nulls distance during spraying.


  • B) Mist Blower with rotary atomiser




  • Nozzle -


  • 1. Cone Type (Pesticide Nozzle) -
  • A)  Cone mist Spray nozzle

  • B) Duromist Spray nozzle -Discharge capacity 450 ml/minute.



  • 2. Fan Type (Weedicide Nozzle) -

  • A) WFN -24 - Use in Young Teas

  • B) WFN -40 - Use in Mature Teas - 
  • Discharge capacity 470 ml/minute.

  • C) WFN -62 - Use in Mature Teas in rare case



  • 3. Jet Cone Nozzle - Only use in high trees.



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