AyoLettuce

Growing lettuce heads, of all varieties and types, in hydroponic system.
The lettuce heads are grown in foam trays, floating on shallow water ponds. The whole system is placed indoor.
The structure can be covered by: glass, polyethylene, polycarbonate etc.
Production is carried out thorough out the whole year. Practically, every day planting of new seedlings and picking
of ready heads.
The water used is circulated in the system, thus generating great savings in water consumption.

The ponds growing system has advantages on the NFT system in high temperatures regions, due to more
stability in temperature fluctuations, less susceptibility to power failures.

The advantages of the hydroponic indoor grown lettuce are:
1. All year round production and supply- The system is operational all year round, thus maximizing yields and
profits.
2. Greener product-  The lettuce is grown indoor under cover. All structure entrances and windows are covered
with insect proof nets, thus reducing the amount of chemicals applied during the growing cycle.
3. Great savings of inputs- Water is circulated, less chemicals, less fertilizers as they are applied in the
circulated water. The system is producing all year round, thus saving on running costs and investments.

Project

The system can be installed as a complete turn key project, including the structure or be installed in existing
structure, if applicable.
The structure can be multi span or walking tunnels..

Economic evaluation
Hydroponic Lettuce
Description
Open Field
Net House
Hydroponic
Lettuce head average weight
360 gram
400 gram
160 gram
Lettuce head useful average weight
320 gram
370 gram
160 gram
Lettuce head per hectare per year
400,000
540,000
2,200,000
Grade A
70%
85%
99%
Total useful grade A per hectare per year
~70 ton
~170 ton
~350 ton
Cycles/ harvest
4-5 / 9 months
6 / 12 months
Day by day/ 365 days
Water consumption per hectare (m3)
21,000
17,000
6,000-7,000
Fertilizers (%)
100%
120%
65%
Pesticides (%)
100%
60%
0-45%
Work per hectare / year ( days)
425
510
1,000
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Lettuce head ready
for picking
Lettuce seedlings in various ages. Ponds
installed in multi span structure
Ponds in multi span
structure
Full grown pond
Seedling ready for
transplanting to the
growing tray