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Fertilisers and Pesticides

what is NPK? ...

Question

what is NPK? how is it not a chemical fertilizer?

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Solution

NPK stands for Nitrogen, Phosphorus and Potassium. It is considered as a chemical fertilizer but if its source is organic (plant based or manure) then it can be labelled as organic fertilizer.

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Q. What are fertilizers ? Why are they needed ? What do you mean by NPK fertilizers ?

Q. Give examples of NPK fertilizers.

Q. In fertilizers, NPK stands for:

Q. Which of the following is a chemical fertilizer?
(a) Compost
(b) Bark of neem
(c) NPK
(d) Bone meal

Q. Circle the odd one.

1.	Rice	Maize	Wheat	(Hint: It is not a kharif crop.)
2.	Compost	Potash	NPK	(Hint: It is not a chemical fertilizer.)
3.	Wool	Cotton	Nylon	(Hint: It is a synthetic fibre.)
4.	Gir	Sariska	Van Mahotsava	(Hint: It is not a sanctuary.)
5.	Puberty	Insulin	Thyroxine	(Hint: It is not a hormone.)

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