Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Growing Camelina and Safflower in the Pacific Northwest

20.05.2014

A recent study published in Agronomy Journal provides information important to farmers growing oilseed crops.


Brenton Sharratt

The researcher’s wind tunnel “in action” during a test on a camelina plot. The tunnel can generate wind speeds of up to 40 mph. John Morse with the USDA-ARS in Pullman, WA is in the background measuring surface roughness.

In the study, camelina and safflower were grown in three-year rotations with winter wheat and summer fallow. The study shows that using this rotation may require that no tillage should be done to the soil during the fallow year.

Oilseed crops produce relatively little residue—organic material such as roots that hold the soil together. Even light tillage can disintegrate the soil.

A cooperative study by the USDA-ARS and Washington State University researched the effects of growing oilseed crops—camelina and safflower—on blowing dust emissions. The Columbia Plateau of the Inland Pacific Northwest experiences significant windblown dust from excessively-tilled agricultural lands.

Brenton Sharratt and William Schillinger found that adding camelina or safflower crops into a rotation with winter wheat and summer fallow increased the amount of dust at the end of tillage-based fallow or when wheat is planted. “Farmers will need to protect the soil from wind erosion during the fallow phase after harvest of oilseed crops,” says Sharratt.

The Pacific Northwest is a low-precipitation region. The typical crop rotation there is winter wheat-summer fallow. Thus, one crop is usually grown every other year.

The fallow period allows the soil to store moisture from rains and snows over the winter. This stored moisture is critical for seed germination and emergence of winter wheat.

The researchers measured dust particles, or wind erosion, using a portable wind tunnel. This tunnel was 24 ft long, 4 ft tall and 3 ft wide. A fan was used to generate conditions like those naturally occurring in the fields.

Their findings show that adding camelina or safflower into the crop rotation increased the chances of wind erosion late in the fallow cycle.

Thus, their caution to farmers is to use techniques to preserve the soil. “Even the undercutter method is too much tillage for fallow after oilseeds in the dry region,” say the researchers. “No-till fallow, or planting another crop without a fallow year, is the answer for controlling blowing dust.”

###

To see the full story, visit https://www.agronomy.org/story/2014/may/fri/growing-camelina-and-safflower-in-the-pacific-northwest. Access the full article at https://dl.sciencesocieties.org/publications/aj/abstracts/0/0/agronj13.0384

Susan Fisk | newswise

Further reports about: Access Agronomy CSSA Pacific Science Soil USDA-ARS crop crops moisture preserve safflower techniques

More articles from Agricultural and Forestry Science:

nachricht Researchers Find Changes in Agriculture Increase High River Flow Rates
29.07.2014 | University of Iowa

nachricht Climate Change Increases Risk of Crop Slowdown in Next 20 Years
29.07.2014 | National Center for Atmospheric Research (NCAR)

All articles from Agricultural and Forestry Science >>>

The most recent press releases about innovation >>>

Anzeige

Anzeige

Event News

Counting down to FEBS-EMBO 2014 in Paris, France

29.07.2014 | Event News

9th European Wood-Based Panel Symposium 2014 – meeting point for the wood-based material branch

24.07.2014 | Event News

“Lens on Life” - Artists and Scientists Explore Cell Divison

08.07.2014 | Event News

 
Latest News

Climate Change Increases Risk of Crop Slowdown in Next 20 Years

29.07.2014 | Agricultural and Forestry Science

Cell's Recycling Center Implicated in Division Decisions

29.07.2014 | Life Sciences

Vanderbilt Study Examines Bacteria’s Ability to Fight Obesity

29.07.2014 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>