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Climate Change Impacts on Agricultural Crops

Submitted by James Giese on Thu, 01/13/2011 - 14:37
  • Feature

Changes in temperature, CO2, and precipitation under the scenarios of climate change for the next 30 yr present a challenge to crop production. This comprehensive review, published in Agronomy Journal, focuses on the impact of temperature, CO2, and ozone on agronomic crops and the implications for crop production.

More information>>

Harvesting Corn Stover and Soil Quality

Submitted by James Giese on Thu, 12/30/2010 - 10:23
  • Feature

Corn stover, left in fields after corn grain harvest, has been identified as a potential feedstock to help supply biofuel. However, harvesting excessive corn stover could reduce crops yields directly or indirectly by diminishing total total organic carbon levels until soil’s production capacity is threatened. This large-scale study is measuring the effects of harvesting corn stover across the eastern half of the United States.

More information
 

Optical Assessment of Dissolved Organic Carbon

Submitted by James Giese on Wed, 12/22/2010 - 15:00
  • Feature

The implementation of stricter drinking-water quality regulations for disinfection by-products has highlighted the need to understand sources of organic matter to drinking-water intakes.  

Scientists at the U.S. Geological Survey (USGS) have been investigating ways to more easily assess the amount and character of dissolved organic carbon (DOC) in freshwater systems. A focus of their work is on the use of optical properties—absorbance and fluorescence—as proxies for DOC concentration, composition, source, and propensity to form DBPs. Optical measurements have the potential to be less expensive, faster, and more sensitive than laboratory chemical-based analyses.

More information>>

Solid-State Sensors for Real-Time Measurement of Soil CO2

Submitted by James Giese on Fri, 12/03/2010 - 11:04
  • Feature

Soil is a major component in the ecosystem carbon balance. The availability of small, solid-state sensors has allowed for the continuous measurement of soil CO2 in field settings.

More information>>

Iron Deficiency in Soybeans

Submitted by James Giese on Thu, 11/18/2010 - 17:13
  • Feature

soybean fieldAn expansion of soybean production into areas where soybean has seldom, if ever, been grown presents a steep learning curve
for growers. This is especially true if the area of expansion includes soils having high pH values and large amounts of calcium and/or magnesium carbonate—soil conditions that promote iron deficiency.

More information>>


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rss Research Highlights

Straw Residue Keeps Nitrogen on the Farm | AJ

How Grazinglands Influence Greenhouse Gas | JEQ

Large Amounts of Nitrogen Stored Beneath Selected Agricultural Areas | JEQ

Reducing Fossil Energy Use on the Farm | AJ

More in News & Media >>

rss Science Policy Report

STEM Education Data and Trends

Science, Entertainment, and Education Grant Opportunity

Ben Meadows Natural Resource Scholarships

USDA-Agricultural Research Service

Read the current SSPR >>

CSA News February

Submitted by Sara Uttech on Tue, 11/16/2010 - 15:41
  • Society promotion

CSA News cover

  • The February issue of  CSA News magazine is now online. Inside this issue:

  • Science—Sustainability: Learning the lessons of past civilizations
  • Special Section—Theses and dissertations, 2009-2010

2011 Annual Meetings

Submitted by Sara Uttech on Thu, 12/30/2010 - 11:39

Annual MeetingsThe 2011 Annual Meetings, "Fundamental for Life: Soil, Crop, & Environmental Sciences," will be held Oct. 16-19, 2011 in San Antonio, TX.

  • SSSA will celebrate their 75th Anniversary as part of the meetings
  • Discussion Forum: Continue scientific discussions and initiate topics all year long
  • Wondering what was presented in 2010? Abstracts, Recordings Online

Editorial Changes

Submitted by Sara Uttech on Tue, 12/21/2010 - 16:14
  • Society promotion

Publishing is a vital function of ASA, CSSA, and SSSA . The Societies could not produce our world-class publications without the hard work of a dedicated group of editors. There are several changes to our publications and editors in the past year. View Editorial Changes (pdf)>>

ASA Communities Update

Visit the ASA Section and Community Transition page to keep up-to-date on all of the exciting changes taking place.

Want to create a new community? Complete the ASA Community Creation Request Form

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