lunes, 15 de febrero de 2016

"Exposed: The Secret Life of Roots" US Botanic Garden

East Gallery
February 21 through October 13, 2015

Hidden Treasures
Plant roots are vital components of the earth's ecosystem. They are necessary for all plant growth, including the production of food and nutrients for humans and many other organisms. However, as root systems are out off sight, their beauty and importance often go unnoticed. Exposed: The Secret Life of Roots showcases the presence and importance of roots through visually stunning root representations using the work of agricultural ecologist Dr. Jerry Glover, sculptor Steve Tobin, and photographer Jim Richardson.

Photography and Sculpture
Jim Richardson is a photographer for the National Geographic Society. His photographs in this exhibits capture the disparity in the aboveground and belowground biomass of plants. His series on soil profiles, hung in the Classroom and National Garden (spring through fall), highlight striking differences in global soils and the human struggle to grow food.

Steve Tobin is a celebrated sculptor who specializes in nature-inspired works. Two of his pieces on display spring through fall on the U.S. Botanic Garden grounds, Romeo and Juliet, are bronze casts of tree roots washed out from a riverbank. The other two sculptures are from his Steelroot series.

Roots Exposed
Agricultural ecologist Dr. Jerry Glover studies the importance of healthy soils and their relationship to plants. While working at The Land Institute in Salina, Kansas, he helped develop a method of growing and preserving plants.

Plants are grown in "root tubes," 10-foot sections of 12-inch diameter PVC pipe containing a special baked clay material. After removal from the tubes, plants are soaked in a glycerin and water solution to prevent them from rotting. See these preserved plants in the East Gallery.
A bevy of prairie plants and their roots hang at the U.S. Botanic Garden. Photo by Nsikan Akpan 
Up-close and personal with a sorghum root. Photo by Nsikan Akpan.
WiliWili (Erythrina sandwicensis) root at the U.S. Botanic Garden. Photo by Nsikan Akpan
International Year of Soils
Soils are layers of minerals and organic matter that are critically connected to a diverse array of organisms from worms to bacteria. They are the foundation for much of life on Earth and are a crucial component of global nutrient and water cycling. Soils are also fragile and largely non-renewable, and thus their conservation is extremely important. Learn more about soils in the National Garden spring through fall.
Terrace Plantings

The raised beds on the Conservatory Terrace feature living displays of plants found throughout Exposed: The Secret Life of Roots. Highlights include "root" crops (plants grown for their underground roots, leaves, and stems) and native prairie plants. Explore both the dried and live versions (spring through fall) of these prairie plants throughout the Conservatory Terrace and East Gallery.

Plant roots play a vital role for life on earth. They absorb water and nutrients to feed plants, which feed animals and humans, and they anchor soil to prevent erosion. The U.S. Botanic Garden in Washington pays tribute with a new exhibit called “Exposed.” VOA’s Rosanne Skirble digs in for a closer look at what’s going on underground.

ORIGINAL: VOA News & US Botanic GardenBy Rosanne Skirble - VOA News
August 11, 2015

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