Navigation Links
'Balanced' ecosystems seen in organic ag better at controlling pests
Date:6/30/2010

er found that the evenness of natural pests differed drastically between the two types of farms. In the conventional fields, one species might account for four out of five insects. In the organic fields, the most abundant species accounted for as little as 38 percent of a field's insect predators and enemies.

Using field enclosures on Washington State University's Pullman campus, Crowder recreated those conditions using potato plants, Colorado potato beetles, four insect species and three soil pathogens that attack the beetles. When the predators and pathogens had similar numbers, says Crowder, "we would get significantly less potato beetles at the end of the experiment."

"In turn," he adds, "we'd get bigger plants."

Crowder says he is unsure why species evenness was lower in conventional crops. It could be from different types of fertilization or from insecticides killing some natural enemies more than others.


'/>"/>

Contact: Eric Sorensen
eric.sorensen@wsu.edu
509-335-4846
Washington State University
Source:Eurekalert  

Page: 1 2

Related biology news :

1. A balanced protein diet can reduce accumulation of nitrogen on dairy cattle farms by up to 35 percent
2. Neural tissue contains imbalanced levels of proteins, U-M study finds
3. TV food advertisements promote imbalanced diets
4. Marine spatial planning: A more balanced approach to ocean management
5. Following traumatic brain injury, balanced nutrition saves lives
6. A balanced memory network
7. Scientists discover important beauty secret for balanced skin color and tone
8. Healthy watersheds can sustain water supplies, aquatic ecosystems in a changing climate
9. Study challenges long-held assumption about competition in disturbed ecosystems
10. New online map shows network of protection for North Americas marine ecosystems
11. Researchers calculate the greenhouse gas value of ecosystems
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
'Balanced' ecosystems seen in organic ag better at controlling pests
(Date:8/21/2014)... finding that has implications for life in other extreme ... solar system, LSU Associate Professor of Biological Sciences Brent ... Foundation, or NSF, this week published a paper confirming ... lies 800 meters (2600 feet) beneath the surface of ... Given that more than 400 subglacial lakes and numerous ...
(Date:8/21/2014)... Saturday to Wednesday, Oct. 18-22, 2014 , ... Harbor Drive, San Diego, CA 92101 , ... other presentations of the latest research in human ... session featuring high-scoring abstracts on rare genetic variants ... cancers, and treatment for sun sensitivity (Saturday, Oct. ...
(Date:8/21/2014)... of researchers at Louisiana Tech University has ... consumer-grade 3D printers and materials to fabricate ... and chemotherapeutic compounds for targeted drug delivery. ... and research faculty from Louisiana Tech,s biomedical ... create filament extruders that can make medical-quality ...
Breaking Biology News(10 mins):800 meters beneath Antarctic ice sheet, subglacial lake holds viable microbial ecosystems 2800 meters beneath Antarctic ice sheet, subglacial lake holds viable microbial ecosystems 3800 meters beneath Antarctic ice sheet, subglacial lake holds viable microbial ecosystems 4American Society of Human Genetics 2014 Annual Meeting 2Louisiana Tech University researchers use 3D printers to create custom medical implants 2Louisiana Tech University researchers use 3D printers to create custom medical implants 3
... The notion of transplanting adult stem cells to treat or ... toward becoming a reality. In a study published today ... have demonstrated, for the first time, the ability to create ... the eye cells that die and cause loss of sight. ...
... Conservation Society and the State Institute of Animal Health (IAGRO) ... the first health assessments of white-lipped peccaries (medium-sized pig-like animals) ... the impact of Leptospirosis a zoonotic bacteria that affects ... and livestock. The studyconducted between 2003 and 2005 ...
... Exposure to alcohol in the womb doesn,t affect all fetuses ... give birth to a child with physical, behavioral or learning ... another woman who also drinks has a child without these ... by the mother to her son, according to new Northwestern ...
Cached Biology News:Stem cell therapy for age-related macular degeneration -- a step closer to reality 2Monitoring peccaries in Brazil benefits wildlife, local communities and food security 2Monitoring peccaries in Brazil benefits wildlife, local communities and food security 3Why some children are harmed by mother's alcohol, but others aren't 2
(Date:8/22/2014)... Research and Markets has announced the addition ... Reagents (Cloning, Epigenetics, PCR, Restriction Digestion, Sequencing) Market - ... The global molecular biology enzymes market was ... to grow at a CAGR of 13.74% to reach ... reagents find applications in a large number of fields ...
(Date:8/21/2014)... Aug. 21, 2014  BioSpecifics Technologies Corp. (NASDAQ: ... first in class collagenase-based products marketed as XIAFLEX ... the U.S. and XIAPEX ® in the ... a randomized, double-blind Phase 2a study of CCH ... fibrosclerotic panniculopathy. The results showed that all three ...
(Date:8/21/2014)... , August 21, 2014 ... ) has announced the addition of the  ... to their offering.       (Logo: ... hormone therapy, is a means of replacing ... by the body. This type of therapy ...
(Date:8/21/2014)... , Aug. 21, 2014 Mathematic studies at the ... University , and funded by the Jeffrey Epstein VI ... tumors can be visually identified for elimination. These aggressive cells ... study, which shows a topological map of what to look ... cancer research, for while tumor cells can be extracted from ...
Breaking Biology Technology:Global Molecular Biology Enzymes, Kits, & Reagents (Cloning, Epigenetics, PCR, Restriction Digestion, Sequencing) Market - Forecast to 2018 2Global Molecular Biology Enzymes, Kits, & Reagents (Cloning, Epigenetics, PCR, Restriction Digestion, Sequencing) Market - Forecast to 2018 3BioSpecifics Technologies Corp. Announces Positive Data from Phase 2a Study of CCH for Treatment of Cellulite 2BioSpecifics Technologies Corp. Announces Positive Data from Phase 2a Study of CCH for Treatment of Cellulite 3BioSpecifics Technologies Corp. Announces Positive Data from Phase 2a Study of CCH for Treatment of Cellulite 4BioSpecifics Technologies Corp. Announces Positive Data from Phase 2a Study of CCH for Treatment of Cellulite 5Global Hormone Replacement Therapy Market 2014-2018: Key Vendors are Actavis, Bayer, Merck & Co, Novartis and Novo Nordisk 2Science Power Jeffrey Epstein and Harvard University Fund Project to Visually Stop Tumor Growth 2
... developer to describe a Web site, youre likely to learn about ... youre likely to learn a lot about pinball. , ,A pinball ... works not the mechanical side of working that involves ASP, ... attracts and retains customers. By thinking of the Internet as a ...
... putting their state into further debt to fund ... California voters approved Proposition 71, which will provide ... decade. , ,The proposition, which was endorsed by ... California Institute for Regenerative Medicine. The institute will ...
... labs at the research park. An investment of $8.5 ... niche-market biotech company to Wisconsin, where it will inhabit brand-new ... ,The company is targeting a type of debilitating genetic disease ... new technique. , , Symbiontics, Inc. , which drew about ...
Cached Biology Technology:My 50 cents: Web sites and pinball machines 2My 50 cents: Web sites and pinball machines 3My 50 cents: Web sites and pinball machines 4Californians: Stem cells important enough to go into debt for 2Wisconsin VCs draw Missouri biotech firm to state 2Wisconsin VCs draw Missouri biotech firm to state 3Wisconsin VCs draw Missouri biotech firm to state 4
1000X solution used for inducing CopyControl™ based vectors to high copy numbers...
Donor feline serum and plasma...
Request Info...
8 different frozen tissues are mounted on positively charged glass slides...
Biology Products: