1. FERTILIZERS
FERTILIZERS
What is Fertilizer?
Any material, natural or manufactured
added to the soil to supply one ore
more essential plant nutrients.
There are three important elements (macro elements)
needed by plants during their growth; Nitrogen (N),
Phosphorus (P), and Potassium (K). These are known as
N-P-K for short.
NITROGENLeaf and Foliage Growth
PHOSPHOROUS
Build Roots, Flower, and Fruits
POTASSIUM
Plant Growth and Health
Methods of
Application
Broadcast and
thoroughly
mixed with
the Soil.
Done by rows or under
the plants in rows.
Applied few centimeters
around each plant
Applied to complete the
amount required.
CLASSIFICATION
OF
FERTILIZERS
Organic
Fertilizer
Obtained from plants and
animal sources.
inOrganic
Fertilizer
Chemical substances
manufactured from
inorganic materials.
