The Planting Justice team worked with Beth Waitkus and the Insight Garden Program to build four raised beds on the grounds of the H-Unit at San Quentin State Prison — one of the only sanctioned vegetable gardens in California. Over four days, men enrolled in the Insight Garden Program helped break up asphalt on the prison grounds to make way for the new vegetable garden and put in some much-needed hard work on the construction of the perimeter fence, filling the beds with over 10 yards of compost, mulching the area surrounding the beds, and planting them up with young vegetables and herbs. Over the course of the growing season, inmates will be learning permaculture principles, conflict resolution skills and ultimately receive
I would think that inmates growing their own food would also save the prison corporations money, and they usually love money.
Proper nutrition would probably lead to less recidivism; as was touched on in the video (but not for why I mentioned). Which may counter my first claim, but new laws can always be written.