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(B) In plants,the deficiency of a nutrient can cause multiple symptoms. For example,the deficiency of $N$ (nitrogen) causes chlorosis and delayed flow

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By comparing the symptoms with standard tables and studying all symptoms in different plant parts.

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(B) In plants,the deficiency of a nutrient can cause multiple symptoms. For example,the deficiency of $N$ (nitrogen) causes chlorosis and delayed flowering.In a similar way,the deficiency of one nutrient can cause the same symptom as that caused by the deficiency of another nutrient. For example,necrosis is caused by the deficiency of $Ca$,$Mg$,$Cu$,and $K$.Another point to be considered is that different plants respond in different ways to the deficiency of the same nutrient.Hence,to identify the nutrient deficient in a plant,all the symptoms developed in its different parts must be studied and compared with the available standard tables.

Column $I$ (Disorder)	Column $II$ (Description)
$i$. Chlorosis	$a$. Localised death of tissues in leaves
$ii$. Necrosis	$b$. Premature fall of flowers,fruits and leaves
$iii$. Mottling	$c$. Yellowing of leaves due to absence of chlorophyll
$iv$. Abscission	$d$. Appearance of green and non-green patches on leaves

If a plant shows a symptom which could develop due to deficiency of more than one nutrient,how would you find out experimentally,the real deficient mineral element?

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