Darrell Frey

Author, Bioshelter Market Garden, Co-author, The Food Forest Handbook

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Recommended by Darrell Frey

Creating earthworks to manage water resources is the crucial first step in permaculture land development. All other design work is built around the swales, drains, contour lines, pools and ponds that collect and direct rainfall. Drawing on deep experience, with detailed exploration of the cycles of rainfall, the flow of water on the land, soil types, landform, and the tools and techniques of earthworks, Douglas Barnes provides an essential guide doing it right the first time. (from Amazon)

Maximize your water harvesting potential with efficient, cost-effective earthworks In the face of drought and desertification, well-designed, water harvesting earthworks such as swales, ponds, and dams are the most effective way to channel water into productive use. The result can be increased food production, higher groundwater levels, reduced irrigation needs, and enhanced ecosystem resilience. Yet, due to a lack of knowledge, designers, and landowners often build earthworks that are costly, inappropriately sized and sited, or even dangerous. The Permaculture Earthworks Handbook is the first dedicated, detailed guide to the proper design and construction of water harvesting earthworks. It covers the function, design, and construction methods for nine main types of water harvesting earthworks across a full range of climates. Coverage includes: Swales, ponds, dams, hugelkultur, net-and-pan systems, spate irrigation, and more Cost versus benefit of different earthworks Assessing site needs and suitability Soil types and hydrology Designing for maximum efficiency and lowest cost Risk assessment and safe construction Stacking functions and integrating earthworks into a design This practical handbook is the essential resource for permaculture designers, teachers and students, landowners, farmers, homesteaders, landscape architects, and others involved in maximizing the water harvesting potential of any landscape at the lowest cost and impact. Douglas Barnes is a permaculture designer trained in Australia by Bill Mollison and Geoff Lawton. He has designed and built earthworks in North America, Japan, and Andra Pradesh, India. He lives in Tweed, Ontario in a passive solar house he designed and built, and he blogs at permaculturerelections.com.

Recommended by Darrell Frey

Natural systems are more than the sum of their parts. And yet to understand them we must closely examine these parts. Soil Science for Gardeners takes us on a journey through the microscopic levels of soil geology, chemistry, and biology, and illuminates the soil ecology that sustains all life on land. From this knowledge base it then teaches us strategies and methods to regenerate and sustain life giving soil. (from Amazon)

Build healthy soil and grow better plants Robert Pavlis, a gardener for over four decades, debunks common soil myths, explores the rhizosphere, and provides a personalized soil fertility improvement program in this three-part popular science guidebook. Healthy soil means thriving plants. Yet untangling the soil food web and optimizing your soil health is beyond most gardeners, many of whom lack an in-depth knowledge of the soil ecosystem. Soil Science for Gardeners is an accessible, science-based guide to understanding soil fertility and, in particular, the rhizosphere – the thin layer of liquid and soil surrounding plant roots, so vital to plant health. Coverage includes: Soil biology and chemistry and how plants and soil interact Common soil health problems, including analyzing soil's fertility and plant nutrients The creation of a personalized plan for improving your soil fertility, including setting priorities and goals in a cost-effective, realistic time frame. Creating the optimal conditions for nature to do the heavy lifting of building soil fertility Written for the home gardener, market gardener, and micro-farmer, Soil Science for Gardeners is packed with information to help you grow thriving plants.