Auxin can act as sink for nutrient mobilization but does it increases the nutrient availability in soil. If yes, How ?
IAA plays a major role in regulating plant growth .for example, it controls vascular tissue development, cell elongation, and apical dominance. Also, IAA stimulates cell elongation by modifying certain conditions like, increase in osmotic contents of the cell, increase in permeability of water into the cell, decrease in wall pressure, an increase in cell wall synthesis, protein synthesis, and actively participates in adaptive responses of the plant to different stress factors [
I am agree with Ali Alhayany answer. Thank you for your clarifications
Ali Alhayany Thank You sir for your explanation. However, I was interested in how the foliar application of IAA increases or decreases the soil fertility status, not the plant nutrient compositions.
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