Monday, September 13, 2010

Wednesday, July 7, 2010

A Soil Erosion Control Success Story
Lake Darling was once among the state's most polluted. Silt had shrunk the 1952 reservoir from 305 to 267 acres and high bacteria levels often closed it to swimming. Today, thanks to 80% participation of landowners and farmers, terraces and farm ponds have cut sediment reaching the lake from about 16,000 tons a year to less than 7,000.

Thursday, May 13, 2010

Cotton and Soil Resources

Cotton Production, Conservation Tillage and Soil Quality
Read on how conservation tillage practices under cotton production can save soil and improve soil quality.

Sunday, April 25, 2010

Atrazine beneficial?

Atrazine saves the soil? What do you think? This article states that Atrazine improves the environment through use in conservation tillage.

Tuesday, April 6, 2010

Dust Bowl spread misery, advanced conservation | Featured Story | Wichita Eagle

Dust Bowl spread misery, advanced conservation Featured Story Wichita Eagle: "'When the kindergarten teacher saw the dust clouds she turned us loose to go home,' White said. 'My buddy and I were walking home when the dust hit. It was so bad, we couldn't see and kept walking into trees.'"

Friday, March 26, 2010

Up to the challenge? Solve and click "Comments" to give the answers!

A hog farm produces 5,000,000 gallons of liquid waste annually. It is stored in an earthen lagoon until it can be surface incorporated into a 400 acre field. The composition of the liquid waste, on a weight basis is 95% water and 5% solids. An elemental analysis of a dried sample of the solid fraction showed it to be 45% carbon, 40% oxygen, 10% hydrogen, 1% nitrogen, 3% phosphorus, and 1% potassium. The dried solid fraction also contains 12 ppm of lead. There was no lead in the soil prior to this waste being applied to it.

1. Determine the dry weight (tons) of solids that the farmer annually applies to each acre.
2. In how many years would the state’s tolerable limit of 5 pounds of lead per acre-furrow-slice be reached if the farmer’s liquid waste application rate is 100 tons per acre per year.

Tuesday, March 23, 2010

Crisp: Be good to your dirt

"Are we abusing our dirt? Let's just say that, historically, it's clear that we've always abused our dirt, and one result has been that great civilizations have been brought down. This thin and fragile film that makes life possible deserves better stewardship."

Read more: By John M. Crisp, Scripps Howard News Service

Tuesday, March 16, 2010

Soil Biodiversity: The Invisible Hero

"The loss of soil biodiversity reduces the ability of soils to regulate the composition of the atmosphere, diminishing their role in counteracting global warming."

Soil Biodiversity: The Invisible Hero

Posted using ShareThis

Monday, March 15, 2010

Sewage Sludge Builds Organic Matter in Depleted Soils

Researchers lead by Ladislau Martin-Neto, from the Brazilian Agricultural Research Corporation- Embrapa, have analyzed the impacts of sewage sludge applications on soil organic matter in a long-term experiment.

Sewage Sludge Builds Organic Matter in Depleted Soils

Sunday, March 14, 2010

Friday, March 12, 2010

Summer internship opportunities at CEFS!!!

Are you a college undergraduate student majoring in an area related to the Environmental Sciences? Are you looking for a great summer internship opportunity? Did I mention paid opportunity?

CEFS: Internships

Can Biofuels Be Sustainable?

Can Biofuels Be Sustainable?

Did you know that .......?

......there is more life below the soil surface than there is above.
......1 tablespoon of soil has about 50 billion microbes.
......soil microbes have key roles in nutrient cycling.
......there are 5,000 to 7,000 different species of bacteria in one gram of soil.
......the total living matter in an acre of soil ranges from 5,000 to 20,000 pounds.
......earthworms eat soil to get the organic materials in it. The rest passes through them.
......each year, 15 tons of dry soil per acre pass through earthworms.
......about 42 centuries ago, the Chinese used a soil map to determine taxation amounts.

......soil provide 4,000 gallons of water to grow one bushel of corn; for wheat 11,000 gallons.
......soil is synonymous to the word ‘earth’, the word from which our planet derives its name.
......soil can holds 1,700 tons of water per acre, reducing the risk of floods.
......soils store 10% of global carbon dioxide emissions.