Agriculture Reference
In-Depth Information
Loam: A rich soil composed of clay, sand and organic matter.
Lobe: A major expansion or bulge-like shape, as at the margin of a leaf
or petal.
Lumen: A scientific measurement for luminosity from a light source.
Manure: Organic matter, usually the excrement of an animal such a
horse, which is used as a rich fertilizer.
Margin: The edge, generally of a leaf.
Marijuana: Another term for cannabis.
Mary Jane: A codeword for marijuana.
MH: Metal Halide light system.
Micronutrients: Mineral elements that are needed by some plants in
very small quantities.
Mildew: A powdery growth on the plant's surface.
Mother: A selected mother plant kept for its vigor or likable
characteristics by the grower. It is used for cloning and breeding.
Mottle: Refers to irregular patterns on the leaf of light and dark areas
like blotches.
Mutation: A change in genetic material brought about by an abnormal
influence such as radiation.
Native: A plant that occurs and grows naturally in a specific region or
locality.
Necrosis: A necrosis is dead tissue on areas of the plant.
Nematicide: A chemical compound that kills nematodes.
Nematode: Microscopic, wormlike animals that live in water or soil,
or as parasites of plants and animals.
Node: Position on a stem from which one or more structures
(especially branches) arise.
