Hidden Hunger
Thu Sep 19, 2013 02:17 PM CDT

The symptoms of crop-nutrient deficiency can be so deceiving. They can be as dramatic as plant stunting, dropped blossoms and discolored plant leaves, or there may be no clues at all.

Agronomists call it "hidden hunger" -- the symptoms of nutrient deficiency are not always visible but still result in lower yields at harvest. The missing ingredients can also be those you least suspect.

Micronutrients, such as boron (B), copper (Cu), iron (Fe), manganese (Mn) and zinc (Zn) act like spark plugs, serving as catalysts for processes like growth and photosynthesis in plants. ...

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