Info

oxygen release in photosynthesis

Zinc

15-100 ppm

Activator or component of many enzymes

Molybdenum

Mo042~

0.1-5.0 ppm

Required for nitrogen fixation and nitrate reduction

Boron

B(OH)3 or B(OII)4

5-75 ppm

Influences Ca2+ utilization, nucleic acid synthesis, and membrane integrity

Essential to some

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