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Hydroponics for Indian condition.


by Siraj Pinjari
—  Hydroponics :
Hydro = Water , Ponics = work

     Hydroponics is growing plants in inert medium like coco-peat, Perlite, vermiculite and providing essential nutrients through irrigation water ( i.e. Nutrient solution added to irrigation water)

Why  Hydroponics ?

Hydroponics is mostly adopted for specific purpose : like large scale and continuous production of vegetables  as land preparation is not required . it solves various problems  AS BELOW.

  1. Water scarcity at certain location.
  2. Labour availability problems or labour cost.
  3. Undulating land. Tillage not possible with tractor/bullocks
  4. Soil is not cultivable (Barren Sodic soils-Kutchh).
  5. Automation of cultivation for efficiency.
  6. Cultivation on Roof top – terrace gardening or urban farming.
  7. Recreation/hobby like Living wall.
  8. Soil-less vegetable requirement like coriander ,mint, basil required for processing .
Benefits
—  Efficient use of water and fertilizer. Reduces water consumption by around 80-90 %.
—  Reduced labor cost on land preparation, compost , fumigation  and inter-culture – removing weeds.
Can it be done in open ? Without poly-house

These Photographs are from Hills near pune. Lettuce grown in open using grow bags with coco-peat.
Photographs : Serially Lettuce ,Iceberg, Cherry Tomato ,Kale and Brinjal 




For Hydroponics you need two things 
1) Substrate  like coco peat/perlite/vermiculite
Coco -peat is easily available in India and its natural,cheaper than other media

2) Nutrient Solution

How to make nutrient Solution :- Nutrient solution is added to irrigation water to provide essential nutrition to plants. Two separate solutions A and B are made as all fertilizers are not compatible. Mixing sulfates and calcium nitrate  precipitates giving solid at bottom of your tank.

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