Your message made me sad...Is there a way to "share" your garden? think "community garden". Maybe you could share your land & the gardeners could share their produce...Are there any local resources...gardening groups, even a message board at the local health food store, a local church, youth group? For many years I had to garden in pots and windowboxes. I would have jumped at the chance to dig into some real dirt. Your land sounds fabulous and it must be very fertile...
I don't know how it would work, being private property...
I dunno, just a few thoughts... :)