Most of us can agree that organic farming is a good thing. Good for the plants. Good for the land. Good for the groundwater. And, good for those eating the resulting produce. But questions remain about whether or not organic vineyard practices lead to better wines. I haven’t formed an opinion yet—mostly because I haven’t had that many organically grown wines. In fact, I had only tasted a couple marginal ones until last week when I got my hands on a set of wines from Bonterra Vineyards, a producer that has bet the farm—literally—on the quality of their organically grown…