Filed under: Glossary
Candlepower (CP)
Candlepower (CP): The luminous intensity of a light source, as expressed in candelas.
Filed under: Glossary
Candela (CD)
Candela (CD): A unit of luminous intensity in a given direction, equal to one lumen per steradian.
Filed under: Glossary
Calcium
Calcium aids in the plants cell wall structure and overall plant strength. Calcium helps in transport and retention of other minerals and elements and is presumed to counteract the effects of naturally occurring alkali salts and organic acids within a plant.
Filed under: Glossary
Calcium nitrate
Calcium nitrate: also called Norgessalpeter contains ammonium nitrate and water creating the chemical formula 5Ca(NO3)2.NH4NO3.10H2O for use in hydroponic and soil gardening. Calcium nitrate contains a very small amount of nitrogen making it a perfect formula for an indoor/outdoor gardening supplement for all stages of growth. Calcium aids in the plants cell wall structure and overall plant strength. Calcium helps in transport and retention of other minerals and elements and is presumed to counteract the effects of naturally occurring alkali salts and organic acids within a plant.
Filed under: Glossary
Calcium carbonate
Calcium carbonate: has the chemical formula CaCO3 and is also the key ingredient in horticulture lime which raises and acts as a buffering agent that helps to stabilize ph levels. Calcium aids in the plants cell wall structure and overall plant strength. Calcium helps in transport and retention of other minerals and elements and is presumed to counteract the effects of naturally occurring alkali salts and organic acids within a plant.
Filed under: Glossary
Burn
Burn: Leaf tips that turn dark from excess fertilizer and salt burn.
Filed under: Glossary
Bulb
Bulb: The glass outer envelope component of an HID lamp which protects the arc tube.
Filed under: Glossary
Bulb Wall Temperature
Bulb Wall Temperature: The temperature at the bulb wall of a lamp, which effects lumen output and input wattage and which is important in lighting calculations.
Filed under: Glossary
BU
BU: An industry code indicating that the bulb is to be operated only in a base up position.
Filed under: Glossary
Boron
Boron: is an essential non-metal micro nutrient for plants aiding in the metabolism of calcium, phosphorus, magnesium and copper. Also works with production of sugar and carbohydrates.