Rachel Greenberg kneels by some strawberry plants at the Great Lakes Incubator Farm. She wants to be a farmer someday and said the training program will prepare her for that future. (Photo: Vivian La/IPR News)This story is made possible through a partnership between Interlochen Public Radio and Grist, a nonprofit environmental media organization. As Michigan faces an aging farmer population, communities are looking for ways to shore up the next …