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