Which of the following are the three primary nutrients needed for plan

1.	Which of the following are the three primary nutrients needed for plant growth?
A.	Calcium, sulphur and magnesium.
B.	Nitrogen, phosphorus and potassium.
C.	Zinc, boron and copper.
D.	Calcium/zinc/copper.
Answer» C. Zinc, boron and copper.

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Which of the following are the three primary nutrients needed for plant growth?

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