Sukkot, the Jewish harvest festival, can feel a little abstract for Jews like me who live in big cities, far removed from the agricultural cycle that gave rise to the holiday. Typically, the extent of my fall harvest consists of buying a pumpkin from Trader Joe’s. But last weekend, sleeping in a tent at Living Tree Alliance, a Jewish farm and co-housing community in rural Vermont, I found myself much closer to Sukkot’s agrarian roots. Rows of co…