Answers

2016-05-02T05:23:01+05:30
They are of 3 types:
1. Nitrogenous fertilizers.
2. Phosphate fertilizers
3. Potassic fertilizers.
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2016-05-02T05:57:10+05:30
They are of 3 types of chemical fertilizer :

1. Nitrogenous fertilizers.

2. Phosphate fertilizers

3. Potassic fertilizers.
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