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Subject: Healthy soil and sustainable growing

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  • From: "Tradingpost" <tradingpost@lobo.net>
  • To: livingontheland@lists.ibiblio.org
  • Subject: [Livingontheland] PERMANENT BEDS
  • Date: Sat, 05 Jul 2008 09:10:00 -0600


PERMANENT BEDS

"To minimize the impact of drought, soil needs to capture the
rainwater that falls on it, store as much of that water as possible for
future plant use, and allow for plant roots to penetrate and proliferate.
These conditions can be achieved through management of organic matter, which
can increase water storage by 16,000 gallons per acre foot for each 1%
organic matter. Organic matter also increases the soil's ability to take in
water during rainfall events, assuring that more water will be stored. Ground
cover also increases the water infiltration rate while lowering soil water
evaporation. When all these factors are taken together the severity of
drought and the need for irrigation are greatly reduced."
http://www.attra.org/attra-pub/summaries/drought.html

Cutting soil depletion, water and energy use while raising production
http://www.context.org/ICLIB/IC42/Jeavons.htm
http://biointensiveforrussia.igc.org/docs/695companion.pdf

Beds concentrate soil preparation in smaller areas
http://www.ext.vt.edu/pubs/envirohort/426-335/426-335.html#L3
http://www.ces.ncsu.edu/depts/hort/consumer/quickref/vegetable/intensive_veg_gardening.html
and (High-Yield Gardening p.xi)

Jeavons water usage and production (How To Grow More Vegetables p.
61) and (Getting More from Your Garden p.12)

Raised beds allow larger yields in less space (Organic Gardeners Home
Reference p.24), (Self-Sufficient Gardener p.110)






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