Plant chlorophyll and iron research

Plant chlorophyll and iron research

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Credit: STEPHEN AUSMUS/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY

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Caption: Plant chlorophyll and iron research. Horticulturist (right) and technician (left) measuring chlorophyll levels in leaves of marigold plants treated with the chelating agent EDDS (ethylenediamine disuccinic acid). They are also measuring iron levels in iron chelate samples. Iron, forming part of chlorophyll, is an important element in plant physiology. Iron deficiency in plants is usually a deficiency in chlorophyll, known as chlorosis.

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