After two leaf stages of mungbean plants, culturing media
were established which consisted of approximately 02 l of 12
plastic pots (03 treatments of each variety) in which sand
was taken as the supporting material for small seedlings. The
sand was washed properly with water in order to remove all
the clay particles. Four small holes were made at the bottom
of plastic pots; linen cloth was used to cover the holes. All
the pots were then put in another plastic vessel. One tungsten
bulb of 200 W and 3 tube lights (50 W) were fitted over the sys-
tem for the supply of light. The germinated seedlings were then
transplanted in these plastic pots in the hydroponic system