Permaculture A designers’ manual Chapter 2 Review
This post cover Permaculture A designers’ manual Chapter 2 Review. This is the second in a series of 14 chapter reviews on “Permaculture – A designers’ manual”. This review covers chapter two which is titled “Concepts and Themes in Design”. This chapter is still laying the groundwork of concepts and design that will be used in future chapters for the actual implementation.
This chapter delves into applying laws and principles to design, resources, yields, cycles, pyramids with regard to the food web, complexity and connections, order or chaos, permitted and forced functions, diversity, stability, and time and yield.
A few of the design principles that I hear over and over again in permaculture include:
- Work with nature, rather than against it
- The problem is the solution
- Make the least change for the greatest possible effect
- The yield of a system is theoretically unlimited.
After some of the laws and principles are laid out and some other ground work he goes into farm strategies and how some of this can be used on a farm or on a property. Each category has sub-categories that interact with other parts. The categories include: water storage, land forming, soil reconditioning, establishing of windbreak and forage forest, selective farm reforestation, market and process strategies, social and financial, and crop techniques.
He stresses in the book the “Rules of Use of Natural Resources”, where he outlines the following: Reduce waste, hence pollution; Thoroughly replace lost minerals’ do a careful energy accounting; and eliminate negative impact on society. The law of return states: Whatever we take, we must return.
The principle of Disorder: Any system or organism can accept only that quantity of a resource which can be used productively. Any resource input beyond that point throws the system or organism into disorder. Oversupply of a resource is a form of chronic pollution.
Definition of System Yield: System yield is the sum total of surplus energy produced by, stored, conserved, reused, or converted by the design. Energy is in surplus once the system itself has available all its needs for growth, reproduction, and maintenance.
While the book may seem full of terminology and theories at this point, all of this will be used throughout the book. The beginning chapters are just laying the groundwork for upcoming chapters.
Permaculture: A Designers’ Manual (Amazon Link) is the go to book for permaculture design.
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