which of the following is not the most widely used mineral to improve the fertility of the soil?
(a). phosphorus
(b).potassium
(c).nitrogen
(d). calcium
Answers
Answered by
3
Answer:
Answer is D calcium
Explanation:
Please mark as the brainliest
Answered by
0
i think it is potassium.
don't know if it is correct.
hehehe
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