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