Claim · model-written summary
Nitrate leaching was severe above 570 kg N/ha fertilizer application.
Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValue
Verbatim
e0“Environmental variables respond nonlinearly to nitrogen fertilizer application, with severe nitrate leaching and nitrous oxide emission when the application rate exceeds 570 kg N/ha and 733 kg/N, respectively.”
Title
Hui Zhao; Xuyong Li; Yan Jiang Sustainability 2019. doi:10.3390/su11061513
Other claims from this paper (17)
- Intervention effect Excessive nitrogen fertilizer increased nitrate leaching by 187.5%.
- Intervention effect Excessive nitrogen fertilizer increased ammonium leaching by 28.1%.
- Intervention effect Excessive nitrogen fertilizer increased total nitrogen leaching by 217.0%.
- Intervention effect Excessive nitrogen fertilizer increased nitrous oxide emission by 202.0%.
- Intervention effect Excessive nitrogen fertilizer increased ammonia emission by 176.4%.
- Intervention effect Excessive nitrogen fertilizer increased nitric oxide emission by 543.3%.
- Intervention effect Excessive nitrogen fertilizer increased vegetable yield by 35.7%.
- Intervention effect Excessive nitrogen fertilizer increased vegetable nitrogen uptake by 24.5%.
- Association Nitrous oxide emission was severe above the reported threshold of 733 kg/N.
- Association Fertilizer effects on yield growth decreased above 302 kg N/ha.
- Intervention effect Reducing nitrogen fertilizer decreased nitrate leaching by 32.4%.
- Intervention effect Reducing nitrogen fertilizer decreased ammonium leaching by 6.5%.
- Intervention effect Reducing nitrogen fertilizer decreased total nitrogen leaching by 37.3%.
- Intervention effect Reducing nitrogen fertilizer decreased ammonia emission by 28.4%.
- Intervention effect Reducing nitrogen fertilizer decreased nitrous oxide emission by 38.6%.
- Intervention effect Reducing nitrogen fertilizer decreased nitric oxide emission by 8.0%.
- Intervention effect Reducing nitrogen fertilizer had no significant effect on vegetable nitrogen uptake and yield.