Dina Rudick/Globe Staff

Farm School student Erik Jacobs used a tractor to cultivate a bed of tomato plants at the Farm School.

Dina Rudick/Globe Staff

Jacobs graduated from the school in Orange, carrying his certificate and the gift of digging forks.

Erik Jacobs for The Boston Globe

Jacobs and his son, Wendell (top right), with the class of 2013 Farm School in Orange.

Erik Jacobs for The Boston Globe

Student farmer Kate Lanou of Watertown showed Wendell tables of garlic curing in the greenhouse.

Erik Jacobs for The Boston Globe

The beginnings of a big tomato harvest.

Erik Jacobs for The Boston Globe

Tess Morningstar of Hopkinton mixed a cover crop of oats and peas before spreading it on a field in preparation for winter.

Erik Jacobs for The Boston Globe

Student farmer Sarah Lederman of New York City harvested kale on a foggy morning.

Erik Jacobs for The Boston Globe

From left, student farmers, Sarah Habeck of Middletown, N.J., and Andrew Harrington of Barrington, R.I., harvested garlic amid a field of weeds.

Erik Jacobs for The Boston Globe

Student farmer Caitlin Sargent of San Anselmo, Calif., carried an armload of freshly harvested garlic.

Erik Jacobs for The Boston Globe

Harrington covered his nose while cleaning out a chicken coop.

Erik Jacobs for The Boston Globe

Farm school student Andrew Harrington, left, and staff members Reid Bryant and Patrick Connors worked on putting rafters on the timber frame structure at the Farm School.

Erik Jacobs for The Boston Globe

Farm school students and community members raised a wall.

Erik Jacobs for The Boston Globe

Farm School produce is displayed at the Belmont farmers market.