Mineral Nutrition
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What is Hidden hunger in the case of plants?

Hidden hunger refers to a situation in which a crop needs more of a given nutrient yet has shown no deficiency symptoms. The nutrient content is above the deficiency symptom zone but still considerably needed for optimum crop production
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    Why is purification of water and nutrient salts so important in studies involving mineral nutrition using hydroponics?
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    How are the minerals absorbed by the plants?
    Answer

    Which of the following statements are true? If false, correct them.
    1. Boron deficiency leads to stout axis.
    2. Every mineral element that is present in the cell is needed by cell.
    3. Nitrogen as a nutrient is highly immobile in the plants.
    4. It is very easy to establish the essentiality of micronutrients, because they are required in traces.

    Answer
    How is nitrogenase enzyme protected ?
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