Plants That Are Efficient at Taking Iron Up from a Calcareous

question 41

Multiple Choice

Plants that are efficient at taking iron up from a calcareous soil are known to employ which of the following methods?

• A)lower pH of their rhizosphere
• B)produce reducing agents that reduce Fe³⁺ to Fe²⁺ in the rhizosphere.
• C)produce organic compounds that can form stable chelates with iron.
• D)all of the above
• E)none of the above

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