Taking Action For Wildlife has a wealth of information, trainings, and stories to help guide, motivate, or teach you how to manage your lands for wildlife.
The NH Division of Forests and Lands provides numerous resources on Forestry, Forest Stewardship, and Forest Management. Look for the “Landowners” tab.
Interested in managing your agricultural lands for conservation? Check out these resources:
NH For over 80 years, the Natrual Resources Conservation Service has helped America's farmers, ranchers, and landowners conserve our nation's resources through voluntary programs and science-based solutions. Connect with the NRCS.
The Hillsborough County Conservation District is another source of information and programs. Check it out.