Moderate
Deficiency of B can be corrected through application of chemical fertilizer of_________________?
Correct answer: D. All the above
- A. Solubor
- B. Boric acid
- C. Borax
- D. All the above
Explanation
Boron deficiency can be corrected with several boron fertilizers, including Solubor, boric acid and borax. Therefore, all three listed materials are suitable sources.
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