Deficiency symptoms of radially mobilised essential elements will first appear in _________
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Explain Chlorosis and Necrosis.
Micronutrients are present in plant tissues in concentrations less than ____of dry matter.
Monovalents (e.g., Na2,K+)_____membrane permeability while divalents (e.g., Ca2+)_____the same.
What are the conditions necessary for fixation of atmospheric nitrogen by Rhizobium. What is their role in N2 fixation?
Features of PUFA do not include
Which of the following is not criterion for essentiality of an element?
Why is that in certain plants deficiency symptoms appear first in younger parts of the plant while in others they do so in mature organs?
The process of conversion of soil nitrates into free N2 is called (I) and is carried out by bacteria (II).