Most local garden centers have NPK fertilizer on the shelves, but what exactly is it? NPK is an acronym for the nutrients nitrogen (N), phosphorus (P), and potassium (K), the three nutrients that play ...

As most of us know, the three primary macronutrients essential for plant nutrition are nitrogen, phosphorus and potassium, or NPK. These are the nutrients needed in the greatest quantities and the ...

Do all deciduous trees drop their trees before winter? JERRY: Well, no. Australia may not be famous for having many deciduous trees, but those that we do have are really interesting. The genus ...