Tag: organic soil

Soil organic matter (SOM) is the organic matter component of soil, consisting of plant and animal residues at various stages of decomposition, cells and tissues of soil organisms, and substances synthesized by soil organisms.

The Science of Seeds

The Science of Seeds

Remember how 10 blindfolded people in a room each describe the elephant from their own perspective? The same might be said of soil—the stuff we interchangeably refer to as ground, dirt, or surface covering. Eric C. Brevik, a professor of soil science at Dickinson State University in North Dakota, illustrates

Making Power Multitask With CHP/CCHP

Making Power Multitask With CHP/CCHP

Cogeneration, or combined heat and power (CHP), uses a heat engine or power station to generate electricity and heat for onsite uses. Trigeneration, or combined cooling, heat, and power (CCHP), is the simultaneous generation of electricity and useful heating and cooling as a result of the combustion of fuel or

The StormCon 2017 Call for Papers Is Open

The StormCon 2017 Call for Papers Is Open

StormCon, the only North American event dedicated exclusively to stormwater, is now accepting abstracts for the 2017 conference. The deadline to submit an abstract is Wednesday, December 7, 2016.

StormCon will take place in Seattle, WA, August 27–31, 2017. The conference venue, the Meydenbauer Center, is actually located in Bellevue,

How to Ask for Money

How to Ask for Money

If you look at the headlines from across a smattering of local news outlets in almost any given week, you’ll probably find something about stormwater fees. Often, the story is from a small city or town that is just considering a stormwater utility or fee for the first time, and

Beyond Kudzu: Can Non-Native Species Benefit an Ecosystem?

Beyond Kudzu: Can Non-Native Species Benefit an Ecosystem?

If you’ve worked on a project that calls for revegetation using native seeds, or if you’ve ever dealt with an area that’s overrun with an invasive species like the tenacious kudzu vine—considered a noxious weed in the US—you likely have an opinion about the introduction of non-native species to an

Reader Profile: Kenneth Bahlinger

Reader Profile: Kenneth Bahlinger

Louisiana’s land loss crisis has claimed nearly 1,900 square miles since the 1930s. Without action, the state is poised to lose another 1,750 square miles. Increased flood risk creates potentially catastrophic conditions for southern Louisiana’s waterways, natural resources, wetlands, and culture. As a coastal restoration project manager for the Louisiana

Energy From Waste

Energy From Waste

While waste to energy is the third-most-preferred municipal solid waste approach behind source reduction/reuse and recycling/composting, some 29 million tons of MSW—12% of total generated—were combusted for energy recovery in 2011, according to “Municipal Solid Waste in the US: Facts and Figures.” The Energy Recovery Council—a national trade organization representing

Green Roofs and Living Walls

Green Roofs and Living Walls

Green walls are designed for either interior or exterior areas. They are installed in building interiors mainly to improve the air quality and aesthetics. Microsoft and Twitter are two examples of corporations that have interior green walls at their headquarters.

Green Roofs and Living Walls

Green Roofs and Living Walls

Green walls are designed for either interior or exterior areas. They are installed in building interiors mainly to improve the air quality and aesthetics. Microsoft and Twitter are two examples of corporations that have interior green walls at their headquarters. Interior green walls range from about 25 square feet to

Walls for Every Climate

Walls for Every Climate

Traveling along Madison Street, drivers in Sioux Falls, SD, can enjoy the view of the small but pretty manmade Covell Lake. The road bisects the lake, so the water is present on either side of Madison Street. The problem was that the lake was experiencing erosion along its north and

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