Why should you use organic fertilizers in your garden? Simply because they are good for your plants and good for the environment. Nearly 70 percent of water pollution comes from agricultural areas that use chemical fertilizers, according to the EPA. These chemicals leach into the water and cause soil erosion. While large-scale farming operations are a chief source of chemical fertilizers in water, home gardeners are also guilty of such pollution. However, many growers are attempting to correct their mistakes by using organic growing methods.Organic fertilizers are those that use organic soil amendments to raise the nutrient content and improve the soil characteristics of a garden. The additi