“…Successful cultivation of vegetables and ornamental plants in hydroponic systems using different substrates and nutrient solutions have been reported: for example, carrot in rockwool blocks containing vermiculite with a supply of nutrient solutions through subsurface irrigation in a greenhouse, watermelon grown in aeroponics by NFT, lettuce raised in polystyrene foam + pots with discharge of three nutrient solutions through a floating system in a greenhouse, ginger in pots supplemented coir dust and burnt paddy husk in different proportions with MARDI nutrient solution through irrigation channels in a side-netted rain shelter, green beans in pots supplemented with peat, perlite, and sand with a supply of nutrient solution through subsurface irrigation, broccoli grown in rockwool with supply of Hoagland nutrient solution in a multitunnel greenhouse, kohlrabi ( Brassica oleracea var. gongylodes ) with NFT in a greenhouse, rhododendron flower production in containers containing mixtures of bark, sphagnum peat moss, perlite, and vermiculite, hybrid lily in plastic bags containing cocopeat, perlite, and palm trunk in different proportions with discharge of nutrient solution, mustard in hydroponics and aquaponics, tomato, and tomato, cucumber, eggplant, chili pepper, carrot, lettuce, and spinach in an open roof top system …”