I had not yet received the results of my soil test from UMass when my onion sets arrived from Dixondale Farms. I wanted to get them right in the ground, but I was worried about my soil pH. Dixondale says onions prefer a pH between 6.2 and 6.8. I feared my soil might be too acidic for optimum results so I tilled in another couple of handfuls of lime before I planted the onions. Two days later I…