Healthy soil and sustainable growing

["TradingPostPaul" <tradingpost@riseup.net>]

Just caught a PBS special on The Tallgrass Prairie; between 1830 and 1900
over 20 million acres running north and south in the Midwest was reduced to
cropland. One of the most astounding alterations of nature in world
history. Repeat Friday, April 6.

AMERICA’S LOST LANDSCAPE: THE TALLGRASS PRAIRIE (New; available in HD)
Sunday, April 1, 10:00-11:00 p.m. ET; repeat Friday, April 6, 9:00-10:00
p.m. ET This film, which interweaves cinematography of prairie remnants, an
original score and archival images, highlights prairie preservation efforts
and explores how the tallgrass prairie ecosystem may serve as a model for a
sustainable agriculture of the future.
http://www.pbs.org/aboutpbs/news/20070306_science.html

paul tradingpost@lobo.net