Reflecting from beneath

[Ghettopops]

I am wondering if there is any good putting foil or reflective tape/material basically on the base of the plant. To reflect upwards to the undercarriage of the plant.

[faithlessxxx]

some people do. another trick is to cover the soil with white perlite for reflective purposes.

[Turtlepik]

Every time I finish a packet of foil-packed crisps, I open it up and put it on the floor of my growing area. Waste not, want not...