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