It is important to recognize that insufficient fertilization may result in lawn deterioration, while excessive amounts of fertilizer may burn the grass, encourage the development of certain diseases and promote formation of thatch. Turfgrass requires certain nutrients that are not adequately supplied by soil. Nitrogen is necessary for vegetative growth and desirable plant color. Types of nitrogen are discussed below. Phosphorus is necessary for root development and other vital plant processes.
Potassium is necessary to enable certain plant process.
It also enhances disease resistance and winter hardiness in turfgrasses. Price and bag size should not be the primary considerations when buying fertilizer. The total amount of nutrients and the sources or kinds of nitrogen are the true measures of value. Frequency of application. An effective fertilizing regimen must start with a soil test that includes fertilizer recommendations.