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Irrigation Management :: Coconut

Coconut

Water management 

From 5th year onwards, adopt the following irrigation schedule based on pan evaporation for drip irrigation and basin irrigation.

Western region

Months Normal condition
(for best yield)		 Moderate water scarcity condition Severe water scarcity condition
A. Drip irrigation
 February to May 65 lit / day 45 lit/ day 22 lit / day
 January, August and   
 September		 55 lit / day 35 lit / day 18 lit/day
 June and July,  
 October to December		 45 lit / day 30 lit/ day 15 lit / day
B. Basin irrigation
 February to May 410 lit / 6 days *

 
 January, August and 
 September		 410 lit /7 days*
 June and July,  
 October to December		 410 lit /9 days*

Eastern region

 Months
Normal condition
(for best yield)		 Moderate water scarcity condition Severe water scarcity condition
A. Drip irrigation
March - September 80 lit / day 55 lit / day 27 lit/day
October – February 50 lit / day 35 lit/ day 18 lit /day
B. Basin irrigation
March – September 410 lit / 5 days*  
October – February 410 lit /8 days*

* Quantity of water to be applied in the basin. Add 30-40 % Of the above quantity of water  (135 -165 litres/palm) to meet the conveyance loss.

For drip irrigation, open four pits size of 30 x 30 x 30 cm opposite to each other at one meter distance from the trunk.

Place 40 cm long PVC conduit pipe (16 mm) in a slanting position in each pit and place the drippers inside the conduit tube and allow the water to drip 30 cm below the soil surface. Fill the pits with coir pith to prevent evaporation.

  1. In the first year, irrigate on alternate days
  2. From the second year to the time of maturity irrigate twice in a week based on the water requirement.