Biocare Techno Solutions

It's important to understand that your 4LPH dripper installed to meet the water requirement of your Apple plant is factory designed to give this 4 litre per hour discharge at 1 to 1.2 kg(f)/sq.cm pressure.

What does this mean ?

This means the pressure created from an approximate head of 10 to 12m (30 to 36 feet) height. Let alone the head losses in pipes (assume it zero, just for the sake of discussion, which is practically impossible).

It further means, keeping a tank on a store or washroom of barely 8 feet is not enough to give ample pressure to your dripper to give its design discharge.

So, if you think drip irrigation is a failure, no my friend, it's your design which is a failure.

Rakib Yousuf
Daily Horticulture Updates
Directorate of Agriculture , Kashmir

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Drip irrigation is not failing on your farm because of the drip lines…
It’s failing because of tank height, zoning, and pipe size.
If your tank is low, pressure is low. If you open the whole farm at once, pressure drops. If your main pipe is small, water loses strength before reaching the crops.
Raise the tank (at least 5m). Start with a big main pipe (not less than 2"). Divide the farm into zones and irrigate one zone at a time. Keep drip laterals short and well fed from a proper submain.
Get these three right, and drip will be uniform from the first plant to the last.