The lawns grown using nitrogen fertilizers can be more likely to start hay fever, indicate the study.
Work, published in the journal Lancet Planetary Health Health, found that these lawns could produce six times more pollen than their infertile colleagues.
As spring arrives in the UK, many British They experience symptoms of hay fever, while in the decade, the rate of allergies per pollen increased globally.
Scientists believe that one reason for this increase could be due to the atmospheric nitrogen pollutants that affect pollen and leading to increased allergen outgoing.
However, there were few research in the influence where nitrogen fertilizers are, which are the main source of environmental pollution, poly.
In the new lancet paper, the authors said: “Allergies on pollen, covering allergic rhinitis, conjunctivitis and asthma, increasing care of public health around the world.
“Causes reduced quality of life in patients and has a significant economic burden due to health costs and lost productivity of the patient.”
The researchers claimed that their study was the first that suggests a clear relationship between nitric fertilizers and the number of pollen and his ability to start allergic.
The authors compared to pollen samples with 25 nitric fertilizers and 25 neighbor lawns in Belgium.
They found an average number of pollen from 3.6 mg / m2 for fertilized lawns – 6.2 times higher than infertile lawns with 0.6 mg / m2 pollen.
The study also looked at how allergic pollen was taking blood out of 20 people and exposed it to pollen from two types of lawns.
When comparing the sensitivity of the immune cells of the participants, they found an average of being five times more sensitive to pollen from fertilized lawns than infertile lawns.
In order to confirm the allergic response, the authors said further research should expose participants to pollen and then studied their immune response.
But they also said that it emphasizes the need for more actions on reducing the use of nitrogen norizer.
“In the era of increasing nitrogen pollution, especially in regions with intensive agricultural practices, our findings emphasize the urgent need for integrated strategies that not only deal with the biological diversity and impact on life, but also the pollution of human health,” they wrote.
Roberto Picetti, assistant professor in the London School of Hygiene and Tropical Medicine (LSHTM), “These findings are relevant to British in the UK, and is already associated with the degradation of respiratory and health, loss of biodiversity and the water quality.
“This study is a valuable step towards understanding and resolving the growing problem of pollen allergies and supports the case for more comprehensive environmental policies that also discuss the health and environmental impacts of nitrogen pollution.
“By reducing nitrogen pollution we could help protect biodiversity and reduce the seriousness of pollen allergies.”
Roy Neilson, Earthly ecologist at the James Hutton Institute, said the authors in the studio take over the “Roman approach pollen”.
“The study results support the importance of monitoring the grass-specific trafficking, given the subset of the grass species may have a disproportionate impact on respiratory health responses during the concentration of pollen grass,” he said.
“However, it is unclear how the rise of pollen will be driven by nitrot contribute to the intended increase in the pollen season to 60% due to climate change.”