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Essential Mineral Nutrients

Question

Deficiency symptoms of nitrogen and potassium are visible first in

Easy

A

Senescent leaves
B

Young leaves
C

Roots
D

Buds

Solution

For elements that are actively mobilised within the plants and exported to young developing tissues, the deficiency symptoms tend to appear first in the older tissues. For example, the deficiency symptoms of nitrogen, potassium and magnesium are visible first in the senescent leaves. In the older leaves, biomolecules containing these elements are broken down, making these elements available for mobilising to younger leaves.

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