Relier Pairs FetilizersVersion en ligne Reading about fertilizers par Phuong Xuan Pham 1 Phosphorous 2 Too much phosphorous 3 A lack of phosphorous 4 Chlorophyll 5 Too much nitrogen 6 Too much foliage caused by the excess amount of nitrogen 7 Nitrogen 8 Potassium provides materials for the transport of energy within an organism. can easily upset the chemical balance in aquatic environments. Can produce an excess of foliage Is used to produce chlorophyll Allows plants to absorb light and turn it into energy leads to slow plant growth. Can hinder the growth of fruit or vegetables provides plants with nutrients needed to form proteins, sugars, and starches.