A) Calcium
B) Manganese
C) Magnesium
D) Potassium
Correct Answer: A
Solution :
Manganese (Mn) plays an important role in photosynthesis. Manganese deficiency is a widespread problem, most often occurring in sandy soils, organic soils with a pH above 6 and heavily weathered, tropical soils.You need to login to perform this action.
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