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EARTH SCIENCE > BIOSPHERE > VEGETATION > PHOSPHORUS
Definition:
Phosphorus is a plant element which is a component of nucleic
acids, phospholipids and ATP. Plants lacking phosphorus have
purplish veins, stunted growth, fewer seeds, and fruits.  
Reference:
Starr, C. and R.Taggart. 1998. Biology: the unity and diversity of life.
Wadsworth Publishing Company. Belmont, California.
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