Navigation Links
Fertilizer use responsible for increase in nitrous oxide in atmosphere
Date:4/2/2012

University of California, Berkeley, chemists have found a smoking gun proving that increased fertilizer use over the past 50 years is responsible for a dramatic rise in atmospheric nitrous oxide, which is a major greenhouse gas contributing to global climate change.

Climate scientists have assumed that the cause of the increased nitrous oxide was nitrogen-based fertilizer, which stimulates microbes in the soil to convert nitrogen to nitrous oxide at a faster rate than normal.

The new study, reported in the April issue of the journal Nature Geoscience, uses nitrogen isotope data to identify the unmistakable fingerprint of fertilizer use in archived air samples from Antarctica and Tasmania.

"Our study is the first to show empirically from the data at hand alone that the nitrogen isotope ratio in the atmosphere and how it has changed over time is a fingerprint of fertilizer use," said study leader Kristie Boering, a UC Berkeley professor of chemistry and of earth and planetary science.

"We are not vilifying fertilizer. We can't just stop using fertilizer," she added. "But we hope this study will contribute to changes in fertilizer use and agricultural practices that will help to mitigate the release of nitrous oxide into the atmosphere."

Since the year 1750, nitrous oxide levels have risen 20 percent from below 270 parts per billion (ppb) to more than 320 ppb. After carbon dioxide and methane, nitrous oxide (N2O) is the most potent greenhouse gas, trapping heat and contributing to global warming. It also destroys stratospheric ozone, which protects the planet from harmful ultraviolet rays.

Not surprisingly, a steep ramp-up in atmospheric nitrous oxide coincided with the green revolution that increased dramatically in the 1960s, when inexpensive, synthetic fertilizer and other developments boosted food production worldwide, feeding a burgeoning global population.

Tracking the origin of nitrous
'/>"/>

Contact: Robert Sanders
rsanders@berkeley.edu
510-643-6998
University of California - Berkeley
Source:Eurekalert

Page: 1 2 3 4

Related biology news :

1. National Science Foundation supports research aimed at reducing the use of fertilizer
2. Nitrogen fertilizers impact on lawn soils
3. 400,000 farmers in southern Africa using fertilizer trees to improve food security
4. Chicken litter provides organic alternative to synthetic fertilizers
5. High nitrogen fertilizers tested on post-transplant ornamentals
6. Charcoal biofilter cleans up fertilizer waste gases
7. Fertilizer chemicals linked to animal developmental woes
8. Discovery in legumes could reduce fertilizer use, aid environment: Stanford researchers
9. Fertilizer use not always helpful in revegetation efforts
10. Sustainable fertilizer: Urine and wood ash produce large harvest
11. Water quality improves after lawn fertilizer ban, study shows
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/28/2014)... Roald Amundsen reached the South Pole in 1911, but ... before any human. , Using data from 16 ice ... continent, including the South Pole, a group led by ... Reno, Nevada, created the most accurate and precise reconstruction ... The new record, described in an article published today ...
(Date:7/28/2014)... among minerals and organic compounds in hydrothermal environments are ... provide energy for the deep biosphere, and may have ... is known about how minerals influence organic reactions. ... demonstrated how a common mineral acts as a catalysts ... for toxic solvents or expensive reagents. , At the ...
(Date:7/28/2014)... of juvenile rat brain cells suggests that the effects ... between brain cells are temporary. , The study, published ... ONE , was conducted by biologists at the University ... in New York in response to concerns, arising from ... exposing children to general anesthetics may increase their susceptibility ...
Breaking Biology News(10 mins):Lead pollution beat explorers to South Pole, persists today 2Lead pollution beat explorers to South Pole, persists today 3Mineral magic? Common mineral capable of making and breaking bonds 2Mineral magic? Common mineral capable of making and breaking bonds 3Study suggests disruptive effects of anesthesia on brain cell connections are temporary 2Study suggests disruptive effects of anesthesia on brain cell connections are temporary 3
... UT Southwestern Medical Center have discovered a basic mechanism ... vessels can grow ?sometimes abnormally ?suggesting methods of treatment ... blood vessels is involved in hypertension, coronary artery disease, ... this detailed mechanism, it is now possible to begin ...
... line that produced humans seems to be among the slowest. ... the European Molecular Biology Laboratory (EMBL), is that our species ... been lost in more quickly-evolving animals. This overturns a commonly-held ... The work appears in the current issue of the journal ...
... willow warblers and beaver dams once were bountiful in an ... wolves left this area, elk grew more plentiful, browsing heavily ... and sparrows have replaced the warblers in what is now ... absence of the wolf, a top predator. That's the compelling ...
Cached Biology News:UT Southwestern researchers unravel control of growing blood vessels 2The earliest animals had human-like genes 2The earliest animals had human-like genes 3Wolves' top-down effect 2
(Date:7/29/2014)... foam of atom-thick sheets can be made to any ... Rice University. , In microscopic images, the foam ... and walls that reinforce each other. The structure consists ... of graphene oxide that self-assemble with the assistance of ... the foam could find use in structural components, as ...
(Date:7/29/2014)... According to the new research ... (Image Analysis Software), Delivery Modes (Web Based/Cloud Based) & ... to 2018", published by MarketsandMarkets, analyzes and studies the ... North America , Europe ... Rest of the World (RoW). Browse 78 ...
(Date:7/29/2014)... , July 29, 2014  ImmunoClin Corporation (IMCL) ... medicine, treatment of infectious diseases as well as ... and prevention of pathologies like cardiovascular disease, Alzheimer,s ... 2014, ImmunoClin Corporation will complete the strategic relocation ... D.C. , a key center of North ...
(Date:7/29/2014)... , July 29, 2014  Sigma-Aldrich Corporation (NASDAQ: ... and energy use, increased its investment in Green Chemistry ... around the world last year, the Company announced Monday ... if Science Changed the World? The ... several honors for being a responsible corporate citizen, including ...
Breaking Biology Technology:Tough foam from tiny sheets 2Digital Pathology Market worth $437 Million by 2018 2Digital Pathology Market worth $437 Million by 2018 3ImmunoClin Corporation (IMCL) Relocates Corporate Headquarters to Washington, DC 2ImmunoClin Corporation (IMCL) Relocates Corporate Headquarters to Washington, DC 3Sigma-Aldrich Achieves Record Success in Environmental, Community Initiatives 2Sigma-Aldrich Achieves Record Success in Environmental, Community Initiatives 3
... 2011 BioStorage Technologies, Inc. a global provider ... cold chain logistics for the bioscience industry, will ... the International Contract Services Expo (ICSE), on Wednesday, ... The symposium will include two 1-hour presentations ...
... International, Inc. (OTC Pink: DYAI), a global biotechnology ... financial results for the third quarter ended September ... to discuss those financial results as follows: ...  After market close, Thursday, November 3, 2011. ...
... 2011 Verenium Corporation (Nasdaq: VRNM ), ... enzymes, today announced that it has entered into an ... the United States ("Ex-Im Bank") for two 18-month, secured ... These new credit facilities will allow the ...
Cached Biology Technology:BioStorage Technologies to Host Global Sample Management Benchmarking Symposium at International Contract Services Expo 2Verenium Announces Up to $16 Million in New Secured Financings 2Verenium Announces Up to $16 Million in New Secured Financings 3
... hydrolytic enzyme that catalyzes the conversion,of ... maltose, maltotriose and,dextrins. The level of ... human,body are of clinical importance,1-3 while ... for industry.4, The EnzChek Amylase Assay ...
Rat monoclonal [20d5] to NKG2A + C+ E ( Abpromise for all tested applications). Antigen: Tissue / cell preparation (Mouse): CHO transfected cells expressing the B6 allele of NKG2A. Entrez Gen...
... FL is equipped with ... measurement technologies that complement ... advanced features of Fluoroskan ... Fluoroskan Ascent FL provides ...
... Forma's stainless steel rack ... adjustable mechanism that permits ... shaking angles, and "snap-in" ... universal rack holder will ...
Biology Products: