The big three mineral elements of plant nutrition are nitrogen, phosphate and potassium, somewhat closely followed by calcium, and then far after these are the trace minerals: magnesium, boron, manganese, sulfur, iron, zinc. Even more minimally are copper, cobalt, molybdenum, chlorine and others.
Good soil with proper minerals necessary for healthy plants
Wednesday, May 2, 2007 | 2:00 p.m. CDT;
updated 10:47 a.m. CDT, Sunday, July 20, 2008
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