Permaculture Design Principles: Zone planning, the most important key to Sustainable farming 

This video is about zone planning in Permaculture.
The objective of permaculture is designing a sustainable system and zone planning is the key to creating a sustainable system where resource flows in a planned pattern without exhausting our soil, time and energy.
more at: organichasera.org
Video: Bigyan Dhital
Host: Bibek Dhital
Hasera Permaculture Learning Center, Nepal