The technique of hydroponics is being employed for the commercial production of vegetables like

Options

A. tomato
B. cucumber
C. lettuce
D. all of these

Answer

D

Explanation

Hydroponics is useful in areas having thin, infertile and dry soils. Hydroponics can regulate pH optimum for a particular crop, control soil borne pathogens, avoid problems of weeding and obtain consistently better yield. Hydroponics has been successfully employed as a technique for the commercial production of vegetables such as tomato, seedless cucumber and lettuce