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Answer : 3. "Vanadium and sodium"
What are the unnecessary but beneficial elements for plants?
5Q:
What are the unnecessary but beneficial elements for plants?
- 1Carbon and Vanadiumfalse
- 2Vanadium and chlorinefalse
- 3Vanadium and sodiumtrue
- 4Sodium and chlorinefalse
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Answer : 3. "Vanadium and sodium"
Explanation :
A total of 16 nutrients are required for normal growth and development of plants. ,
• Plants obtain carbon, hydrogen and oxygen from air and water.
• Plants obtain nitrogen, phosphorus and potassium from the soil. ,
• Plants absorb calcium, magnesium and sulfur in small quantities.