Ever wonder what those numbers on fertilizers mean? It can be very confusing to know which fertilizer to use because you have to know what your plants need and you have to know what the fertilizer provides. It’s not all that mysterious if you just know a few basic facts. Look Here… http://www.ourgardengate.com/2011/10/03/10-10-10-or-14-14-14-or-40-5-5/