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Mineral Nutrition

Short Answer Type

51. Name two Macro and micro nutrients

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52. What is the importance of boron in plant life ?

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53. Name the essential elements :

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Long Answer Type

54. Write the deficiency symptoms of :
(1) iron (2) zinc and calcium.

(1) Iron : It leads to intervenial chlorosis and necrosis.

(2) Zinc : Due to the deficiency of zinc, young leaves and internodes become extermely small, resulting in little leaf rosette and mottled leaf condition .

Calcium : It's deficiency produces necrosis in the leaf and stem. Plants have a stunted growth with suppressed flowering. Flowers fall immaturely and this process is called premature fall of flower.

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