Deficiency symptoms of nitrogen and potassium | vedclass

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(A) The deficiency symptoms of elements that are actively mobilized within the plants,such as $N$,$K$,and $Mg$,appear first in the older,senescent lea

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senescent leaves

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(A) The deficiency symptoms of elements that are actively mobilized within the plants,such as $N$,$K$,and $Mg$,appear first in the older,senescent leaves. This occurs because these elements are transported from the older,senescing tissues to the younger,developing tissues to support their growth. Conversely,elements that are relatively immobile,such as $Ca$ and $S$,show deficiency symptoms first in young leaves.

Deficiency symptoms of nitrogen and potassium are visible first in

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