Lettuce is one of the best crops for aquaponic systems because it
can be produced in a short period and, as a consequence, pest pressure
is relatively low. Unlike tomato and cucumber, a high proportion of the
harvested biomass is edible. With lettuce, income per unit area per unit
time is very high. Other fast growing and high income generating crops
are herbs such as basil and chive, which are being grown commercially
in aquaponic systems