Add Yahoo as a preferred source to see more of our stories on Google. Organic nitrogen is important for plant growth, but too much of it can cause a range of problems. Over-fertilization, improper ...

A salt is a compound composed of positively and negatively charged ions (e.g., sodium (Na⁺) and chloride (Cl⁻)). While plants require soluble salts as nutrients, excessive amounts—referred to as soil ...

Going into the bagged soil aisle at a greenhouse gives us almost as many choices as the cereal aisle at the grocery store. Each bag of soil mix can have a place in one of your gardening projects.