Monday, 16 March 2015

Pesticides - Neem Oil Solution (3%) (3 சதவிகித வேப்ப எண்ணெய் கரைசல்)

In our Agriculture for Everybody blog series, we are going to see 3% Neem Oil Solution (3 சதவிகித வேப்ப எண்ணெய் கரைசல்) preparation method in detail and acts as an organic pest repellent.

Required Ingredients

S.No.Ingredient NameQty in Litres/Kgs
1Neem Oil3 Litres
2Water20 Litres
3Mud Pot1 Number
4Khadi Soap200 Gms

Method of Preparation
  1. Fill the Mud Pot with 20 Litres of Water.
  2. Dissolve the Khadi Soap in the Mud Pot and stir well.
  3. Add slowly the 3 Litres of Neem Soil and stir again.
  4. Stir until the Neem Oil is completely mixed with the water and should not be seen floating above.
  5. Please note that the stick (neem stick is better or any pole) used for mixing the ingredients should be cleaned before & after the usage so as to avoid maggots formations in the pesticide.
Method of Storage
  1. The pesticide should be kept in the shade and covered with a wire mesh or plastic mosquito net to prevent houseflies from laying eggs and the formation of maggots (worms) in the solution. This is applicable during the preparation as well as during the shelf life of the pesticide as well.
How long can we store the Pesticide?
  1. Not Applicable
How to use the Pesticide?
  1. Spray System - The pesticide can be applied as a foliar spray.
Note: Dilute 1 Litre of the above extract with 4 Litres of Water before applying.

When to use the Pesticide?
  1. Generally, the ideal time for spraying is during 6 am to 8.30 am and between 4 pm and 6.30 pm.
Which pests are controlled by the pesticide?
  1. The pesticide is effective in controlling Aphids, Colorado beetles, Grasshoppers, Grubs, Japanese beetles, Leafhoppers, Locusts, Planthoppers, Scales, Snails, Thrips, Weevils and Whiteflies.


  1. Thanks for sharing this great information. Very helpful to me. Agriculture and Technology

  2. Appreciate valuable information, is there any emulsifier or mixing agent (organic / Inorganic) type liquid for ease of mixing?