Adding a soil amendment, also called a soil conditioner, helps improve plant growth and health.  The type of amendment or amendments added depends on the current soil composition, the climate, and the type of plant.  Some of the various amendments include: Lime (makes soil less acidic) Fertilizers for plant nutrients (i.e. manure, peat, or compost) Materials for water retention (i.e. clay, shredded bark, or vermiculite) Gypsum (releases nutrients and improves…