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