-
Fungicide
A product that destroys or inhibits fungus.
-
Micronutrients
Also referred to as trace elements, including S, Fe, Mn, B, Mb, An and Cu.
-
Fungus
Any of a major group (Fungi) of saprophytic and parasitic spore-producing organisms usually classified as plants that lack chlorophyll and...
-
Molybdenum (Mo)
This micronutrient is essential for nitrogen fixation and nitrate reduction.
-
Germination
The process of causing the initiation and development of a plant from seed.
-
Necrosis
The dying of plant tissue, usually the result of serious nutrient deficiency or pest attack.
-
Harden-off
To gradually acclimatize a plant to a more harsh environment. A seedling must be hardened-off before planting outdoors.
-
Nft (nutrient film technique)
A hydroponic method in which nutrient is fed into grow tubes or trays in a thin film where the roots...
-
Hormone
Chemical substance that controls the growth and development of a plant. Root-inducing hormones help cuttings root.
-
Hybrid
The offspring from two plants of different breeds, variety or genetic make-up.
-
Hydrated lime
Instantly soluble lime, used to raise or lower ph.
-
Hydroton
One of several brand names/varieties of clay aggregate medium (also known as LECA for light expanded clay aggregate). It is...
-
Hygrometer
An instrument for measuring relative humidity in the atmosphere.
-
Internodal
A portion of a plant stem between nodes.
-
Iron (Fe)
This micronutrient acts as a catalyst in the photosynthesis/respiration process, and is essentialp for the formation of sugars and starches....
-
Dissolved solids or total dissolved solids
The amount of dissolved solids, usually fertilizer salts, that are measured in water in parts per million.
-
Acid
An acidic solution has a ph below 7.
-
Drip aeration
A hydroponic method wherein air pressure from a small air pump is used to percolate nutrient solution out through a...
-
Aeration
Supplying soil and roots with air or oxygen. Geolite is an example of a medium with excellent aeration. In some...
-
Drip system (drip emitter system)
A very efficient watering system that employs a main hose with small water emitters. Water is metered out of the...
-
Aeroponics
A system in which the roots of a plant are consistently or intermittently misted with fine droplets of nutrient solution.
-
Ebb-and-flow (or flood and drain)
A hydroponic system in which the medium, usually aggregate pebbles, is periodically flooded with nutrient solution and then drained again,...
-
Alkaline
Any ph over 7 is considered alkaline.
-
Foliar feeding
Misting plants with fertilizer solution, which is absorbed by the foliage.
