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N
There are 6 entries in the glossary.
Pages: 1
Term Definition
NECROSISThe dying of plant tissue, usually the result of serious nutrient deficiency or pest attack.
 
NFT (NUTRIENT FILM TECHNIQUE)A hydroponic method in which nutrient is fed into grow tubes or trays in a thin film where the roots draw it up. This "nutrient film" allows the roots to have constant contact with the nutrient and the air layer above at the same time.
 
NITROGEN (N)Nitrogen is used in various forms to promote rapid vegetative growth, leaf, flower, fruit and seed development, and chlorophyll development; and to increase the protein content in all plants.
 
NUTRIENT SOLUTIONThe mixture of water and water-soluble nutrients which is provided to the plants for nourishment in a hydroponic system.
 
NUTRIENTSThe elements needed by plants for normal growth and health. The major nutrients (MACRONUTRIENTS) are nitrogen (N), phosphorus (P), and potassium (K), but there are numerous MICRONUTRIENTS (also called TRACE ELEMENTS) which also have integral roles in maintaining plant health. A good quality hydroponic nutrient formula will contain all of the major nutrients and micronutrients needed by the vast majority of plants.
 
NUTRIENTS, SECONDARYThe elements other than N, P and K which are considered nearly as important as N, P and K but are not considered micronutrients. Calcium (Ca), magnesium (Mg), and sulphur (S) are the elements usually referred to by this term.
 


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