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Any
organic or
inorganic
substance, either
natural
or synthetic,
used to supply certain
elements
essential to the
growth of plants |
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A fertilizer is any any one of a large number
of natural and synthetic
materials,
single or blended containing one or more recognized plant
nutrient (s)
which is used primarily for its plant nutrient content and which
is designed for use or claimed to have value in promoting plant
growth, Fertilizer may be either
liquid,
granular
or as
soluble powders and contain
elements
such as
nitrogen,
phosphorus,
and potassium.
They are either spread or worked into the
soil to
increase its
fertility in order to improve the quality or quantity of
plant growth,
they are also be applied by foliar spraying
Natural fertilizer such as manure come from natural sources,
such as animals or vegetable substances. They also hold
moisture,
reduce soil erosion, and improve
soil
structure. They work very slowly and offer long-term
benefits.
Synthetic fertilizers are derived from petroleum and are highly
soluble.
Also see:
Major
Element,
Micronutrient
Trace
Element.
Organic fertilizer
Inorganic
fertilizer
Natural
fertilizer |
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