Where to put your garden. 1  Choose a smart site for your vegetable garden. 2  Container gardening for vegetables and herbs. 3  How to grow a hydroponic garden. 4  Smart fertilizer use: A vegetable garden begins with a soil management plan. 5  Caring for your soil tip sheet.  Prepare the smart vegetable garden.
mass noun. 1  1Light or heat as emitted or reflected by something. âthe radiance of the sunset dwindled and diedâ. 2  2Physics. The flux of radiation emitted per unit solid angle in a given direction by a unit area of a source.
Illuminance = Light Falling on a Surface. The amount of light falling on a surface is illuminance, and is measured in lux (metric unit = lumen/m 2) or foot-candles (English unit = lumen/ft 2).1 footcandle equals 10.8 lux.he brightness of light can mean different things: for example, the amount of light coming from a light source is luminous flux (lumens), the amount of light falling on a surface is illuminance (lux), and the amount of light reflected off a surface is luminance (cd/m2).