To draw or take in, roots absorb water and nutrients.
A sour substance, an acid or sour soil has a low pH.
A hydroponic system that actively moves the nutrient solution.
Heavy clay soil that drains slowly - adobe is not suitable for container growing.
Roots that grow from unusual spots, as on the (stem) pericycle or endodermis of an older root - auxins may influence this type of growth.
Growing cannabis plants by misting roots suspended in air.
A substrate that is of nearly uniform size and used for the inert hydroponic medium.
Having to do with the economics of agriculture.
Refers to soil, or any substance, with a pH over 7.
A process in which an alkyl group is substituted or added to a compound.
Two genes, each of which occupies the same position on two homogeneous chromosomes.
Alternating Current (AC)
An electrical current that reverses its direction at regularly occurring intervals.
Can be either organic or mineral base, amendments change the texture of a growing medium.
Ampere (or Amp)
The unit used to measure the strength of an electric current.
A plant having staminate (male).
Pollinated by wind-dispersed pollen.
A plant that normally completes its entire life cycle in one year or less - cannabis is an annual plant.
Container for luminous gases; houses the arc in an High-Intensity Discharge (HID) lamp.
Reproducing using non-sexual means such as taking cuttings from a parent plant - will produce exact genetic replicas of the parent plant.
Classification of plant hormones, auxins are responsible for foliage and root elongation.