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