Without question, one of the most agriculturally intensive regions in the United States is that of the Central Valley in California. What sets it apart from other such areas is its sheer vastness, about 18,000 square miles.I recently spent a few days in the valley, traversing from Sacramento to south of Tulare. I’ve been in the region previously but never in the summer.While there, I made these observations that won’t be news to those who live and farm in the Central...