Potatoes 

I begin with certified seed, since it is officially inspected for disease and condition.  Potato diseases reside in the soil.  Around May 15,  I’ll have prepared a bed with 25% or better organic material, a pH of neutral or slightly negative, and a kindly portion of organic fertilizer mixed in and covered with about 1″ soil, for warmth.  I do not fertilize any more after that.  

I plant potatoes in the bottom of a…