permaculture

[Carl DuPoldt <cdupoldt@yahoo.com>]

 Lawn and Garden Care in an Urban Watershed in the Advent of Climate Change 

Many gardeners already see evidence of global warming in their own backyards. 
Summers are getting hotter, and generally milder winters mean plant hardiness 
zones are shifting. These changes can make planning your garden—which plants 
to choose, how soon to put new seedlings in the ground, and when to harvest 
vegetables—more of a challenge. While a longer growing season will benefit 
some gardeners, climate disruption is also projected to increase the 
frequency and severity of extreme weather (for example, droughts, floods) and 
to benefit some pests and weeds, which will further challenge the ability of 
gardeners (and farmers) to grow plants successfully.
Reference 
Links:https://www.epa.gov/sites/production/files/2015-10/documents/chesbay_chap03.pdfhttps://www.epa.gov/sciencematters/epa-science-matters-newsletter-climate-change-and-watersheds-exploring-linkshttp://www.northinlet.sc.edu/training/media/resources/Understanding%20Watershed%20Behavior.pdfhttp://www.ecolandscaping.org/09/native-plants/using-gardens-for-climate-change-adaptation-and-conservation/https://mpls-synod.org/files/EcoFaithToolkit_-Our-Watershed-Moment.pdfhttp://www.manataka.org/page2204.htmlhttp://www.ecolandscaping.org/09/land-management/taking-it-to-the-extremes/https://www.missouribotanicalgarden.org/Portals/0/Gardening/Gardening%20Help/Factsheets/Lawns%20-%20Maintenance30.pdf
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Subject: [permaculture] Sustainable Local Food Systems: An Analogy | John
 Ikerd.com
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Sustainable Local Food Systems: An Analogy | John Ikerd.com
http://johnikerd.com/2017/02/sustainable-local-food-systems-an-analogy/

"As an analogy, a sustainable local food system might actually be thought
of as the ecosystem of a healthy fruit tree. The tree leaves collect
carbon, hydrogen, oxygen, and other elements from the air and, through
living process of photosynthesis, form carbohydrates and other basic
building blocks for food. These basic nutrients provide food for other
living organisms, mostly organisms in the soil that the tree depends on for
its health and productivity. The tree’s limbs and trunk carry a portion of
the carbohydrates to the soil to provide food for the various
microorganisms in the soil. In return, the organisms in the soil make
nitrogen, potash, phosphorus, calcium and other minerals and
micro-nutrients that are in the soil available to the tree."