?
'A' value concept was given by
Answer & Solution
Correct Answer:
Option
D
‘A’ value concept is given by Fried and Dean in 1952.
It is the phenomenon when a plant is confronted with two sources of a given nutrient, the plant will absorb from each of these in proportion to the respective amounts available.
It is the phenomenon when a plant is confronted with two sources of a given nutrient, the plant will absorb from each of these in proportion to the respective amounts available.
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