LANCASTER — Six days a week, May through October, 33-year-old Henrietta Nyaigoti arrives at Flats Mentor Farm by 7 a.m. She waters the inside of her two high tunnels, checks the progress of the vegetables growing there, and walks her family’s 2 acres to assess any damage from pests and weather. During planting season, she puts seeds in the ground, and during growing season, tills weeds and makes any necessary soil amendments. At 2:30 p.m. on weekdays, she drives 15 minutes home, where she lives with her two young daughters, then showers and changes before heading to her job as an assistant program manager at a group home for individuals…