Which one of the following statements can best explain the term critical concentration of an essential element?
A. essential element concentration below which plant growth is retarded.
B. essential element concentration below which plant growth becomes stunted.
C. essential element concentration below which plant remains in the vegetative phase.
D. none of the above
Answer:A
Which one of the following statements can best explain the term critical concentration of an essential element?
A. essential element concentration below which plant growth is retarded. B. essential element concentration below which plant growth becomes stunted. C. essential element concentration below which plant remains in the vegetative phase. D. none of the above