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How are fertilizers grouped?
Fertilizers are grouped in different groups according to different basis which are as follows:
•According to way of action:
Straight fertilizers- These fertilizers contain mostly one or the other nutrient and supply directly to the plant.
Auxillary fertilizers-These fertilizers by affecting the environment metabolism of the plant provide them nutrients. They do not provide direct nutrients.
•According their phase-
Liquid fertilizers- Some fertilizers come in liquid phase. These are considered as liquid fertilizers.
Solid fertilizers- These fertilizers come in powdered granular form and are considered as solid ones.
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