Understanding fertilizer salt index

So many factors go into selecting a fertilizer, but the salt index one that is sometimes overlooked. It is a helpful measurement that can help you to predict the potential of a fertilizer to cause injury to turf. Based on the increase in salt concentration that occurs when fertilizers dissolve in the soil solution, the higher the salt index, the greater the chance of fertilizer burn.

During the summer months, in locations where salt stress and sodium accumulation are a…