It's not the water content per se I think, most herbs thrive in this medium as well. Most probably the crops' price and growing speed are the deciding factors.

It's not the water content per se I think, most herbs thrive in this medium as well. Most probably the crops' price and growing speed are the deciding factors. Oh, and check this anecdote out: https://www.thenational.ae/uae/from-paddy-fields-to-uae-deserts-the-farmer-growing-rice-using-hydroponics-1.46990 https://www.thenational.ae/uae/from-paddy-fields-to-uae-dese...