Article
Multidisciplinary Sciences
Janine Mallast, Heinz Stichnothe, Thomas Kreuter, Enrico Thiel, Claudia Pommer, Johannes Doehler, Florian Eissner, Insa Kuehling, Jan Ruecknagel, Henning Pamperin, Juergen Augustin, Mathias Hoffmann, Anja Simon, Kurt-Juergen Huelsbergen, Franz-Xaver Maidl, Nadine Tauchnitz, Joachim Bischoff, Falk Boettcher
Summary: The purpose of the StaPlaRes project was to evaluate innovative techniques of urea fertiliser application and quantify greenhouse gas emissions. Extensive data sets were collected and documented for three years, providing valuable resources for further environmental studies and process modelling.
Article
Chemistry, Multidisciplinary
Gunavathy Selvarajh, Huck Ywih Ch'ng, Norhafizah Md Zain, Palsan Sannasi, Siti Nuurul Huda Mohammad Azmin
Summary: This research focuses on using a mixture of rice straw and rice husk biochars to reduce ammonia volatilization, increase soil nutrient retention, and improve rice plant nutrient uptake efficiency. The biochar significantly reduced ammonia volatilization and increased nutrient uptake, resulting in higher rice production.
APPLIED SCIENCES-BASEL
(2021)
Article
Environmental Sciences
Asim Hussain, Nazish Jahan, Zara Jabeen, Khalil Ur Rehman, Hamza Rafeeq, Muhammad Bilal, Hafiz M. N. Iqbal
Summary: The study assessed the synergistic effect of urease and nitrification inhibitors in reducing urea hydrolysis in Pakistani soil, with the 0.50% concentration showing the most impressive results. In Faisalabad soil, inhibitor-treated urea exhibited improved plant growth characteristics.
WATER AIR AND SOIL POLLUTION
(2021)
Article
Agronomy
Amanda J. Ashworth, Taylor C. Adams, Christine Nieman, Jose G. Franco, Phillip R. Owens
Summary: Poultry litter is a valuable nutrient source for increasing crop yields, but surface applications result in nutrient losses. This study found that subsurface banding poultry litter can reduce nutrient losses and improve edamame yield and quality. The optimal crop seeding distance from bands was found to be 13-25 cm under irrigation and 38 cm under nonirrigation. The results suggest that subsurface banding poultry litter is a viable and sustainable alternative to surface applications for edamame production.
Editorial Material
Soil Science
S. H. Chien
Summary: Surface application of ammonium sulfate (AMS) as S source can lead to NH3 volatilization in soils with pH >= 7.0, but with less extent compared to urea. However, in soils with pH < 7.0, AMS volatilizes very little NH3, unlike urea. The N associated with AMS can enhance early biological N fixation by leguminous crops compared to S sources without N, such as polyhalite.
SOIL USE AND MANAGEMENT
(2023)
Article
Agronomy
Gunavathy Selvarajh, Huck Ywih Ch'ng
Summary: The addition of rice straw biochar at 5-10 t/ha significantly increased the availability of nitrogen in the soil, as well as the exchangeable NH4+, NO3-, phosphorus, and potassium content. This led to improved nutrient uptake by rice plants, resulting in increased plant growth and productivity.
Article
Environmental Sciences
Xuebo Zheng, Wenjing Song, Shudong Ding, Lanfang Han, Jianxin Dong, Yuanyuan Feng, Yanfang Feng
Summary: This study investigated the effects of microplastics (MPs) and biochar on soil ammonia volatilization and rice yield. The results showed that MPs can reduce soil ammonia volatilization, especially after field aging. However, MPs led to a significant reduction in rice yield. These findings indicate that the negative impacts of MPs on soil and crop are becoming increasingly apparent.
ENVIRONMENTAL POLLUTION
(2023)
Article
Agriculture, Multidisciplinary
Xinrui Shi, Xiaokun Li, Chen Guo, Puyu Feng, Kelin Hu
Summary: This study evaluated the feasibility of simulating NH3 volatilization in paddy fields under different N fertilizer types and application methods using the WHCNS model. The model was able to successfully simulate rice yield and NH3 flux, and the application of controlled-release urea significantly reduced NH3 volatilization and total N loss.
COMPUTERS AND ELECTRONICS IN AGRICULTURE
(2022)
Review
Agronomy
Dominika Matczuk, Anna Siczek
Summary: Urea is a popular fertilizer worldwide with a production capacity of 210 million metric tonnes in 2018. However, its use leads to negative effects like ammonia volatilization. Researchers are exploring natural urease inhibitors to reduce ammonia emissions and enhance crop yields.
INTERNATIONAL AGROPHYSICS
(2021)
Article
Agronomy
Izane R. Crous, Johan Labuschagne, Pieter A. Swanepoel
Summary: The choice of nitrogen fertilizer source has minimal impact on canola growth and yield, with soil moisture and temperature having a greater influence. Under conservation agriculture, the use of urea + urease inhibitor nitrogen source may lead to higher yields.
Article
Agronomy
Fernando Torralbo, Dara Boardman, James H. Houx, Felix B. Fritschi
Summary: This study compared the effectiveness of different enhanced efficiency fertilizer (EEF) urea technologies on maize yield and ammonia losses. The results showed that polymer-coated urea effectively reduced ammonia losses and maintained or increased maize yield.
Article
Plant Sciences
Jichao Gao, Jiafa Luo, Stuart Lindsey, Yuanliang Shi, Zhanbo Wei, Lingli Wang, Lei Zhang
Summary: Ammonia and nitrate are major sources of nitrogen loss in soil during urea transformation, with 3,4-dimethypyrazole phosphate (DMPP) as an inhibitor affecting their production. Soil properties influence NH3 loss, NO3- production, and DMPP efficiency. Results showed urea degradation correlated with soil organic carbon, NO3- production with soil pH, sand, and clay content, and DMPP efficiency with NO3- production rate. NH3 volatilization correlated with soil pH and sand content, and DMPP inhibition efficiency increased NH3 losses.
SOIL SCIENCE AND PLANT NUTRITION
(2022)
Article
Agriculture, Multidisciplinary
Na Li, Ye Yang, Yuejin Wu, Binmei Liu, Liangzhi Tao, Yue Zhan, Xiaoyu Ni, Yang Yang
Summary: Compound fertilizers were found to be more effective in reducing NH3 emissions and increasing wheat productivity compared to bulk-blend fertilizers. They increased soil nitrification rates and N use efficiency, leading to improvements in grain yields. Adding functional materials and using proper application methods can help decrease NH3 emissions from bulk-blend fertilizers.
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2022)
Article
Ecology
H. Y. Zhu, B. Gan, J. B. Xu, F. Liang, B. B. Zhou, Y. Sun, M. L. Duan, Y. H. Bai
Summary: This laboratory culture experiment investigated the effect of soil salinity on fertilizer nitrogen transformation. The results showed that with the increase of soil salinity, the ammonia volatilization loss rate increased and the cumulative ammonia volatilization and net nitrated nitrogen content varied with different fertilizer treatments. Soil salinity had a greater influence on the net nitrated nitrogen and inorganic nitrogen transformation under urea phosphate treatment.
APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH
(2023)
Article
Chemistry, Multidisciplinary
Lanfang Han, Liying Chen, Sen Chen, Yuanyuan Feng, Haijun Sun, Lihong Xue, Yanfang Feng, Ke Sun, Zhifeng Yang
Summary: The accumulation of microplastics in agricultural soils has been found to have negative effects on soil ecosystem functions, specifically in the volatilization of ammonia (NH3). This study focused on the response mechanism of NH3 volatilization to the occurrence of different sizes of polyethylene terephthalate (PET) microplastics and the role of natural aging. Results showed that both PET10 and PET200 reduced NH3 volatilization in the rice-wheat rotation cycle soil system. PET200 exhibited a more significant reduction in NH3 volatilization and was related to its higher adsorption capacity for NH4+-N and the formation of microaggregates.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Agriculture, Dairy & Animal Science
J. P. Goopy, D. E. Pelster, A. Onyango, K. Marshall, M. Lukuyu
ANIMAL PRODUCTION SCIENCE
(2018)
Article
Environmental Sciences
I. Wanyama, D. E. Pelster, K. Butterbach-Bahl, L. V. Verchot, C. Martius, M. C. Rufino
Article
Soil Science
Nictor Namoi, David Pelster, Todd S. Rosenstock, Lukelysia Mwangi, Solomon Kamau, Paul Mutuo, Edmundo Barrios
APPLIED SOIL ECOLOGY
(2019)
Article
Environmental Sciences
Joseph M. Macharia, David E. Pelster, Felix K. Ngetich, Chris A. Shisanya, Monicah Mucheru-Muna, Daniel N. Mugendi
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
(2020)
Article
Environmental Sciences
A. J. Eagle, E. L. McLellan, E. M. Brawner, M. H. Chantigny, E. A. Davidson, J. B. Dickey, B. A. Linquist, T. M. Maaz, D. E. Pelster, C. M. Pittelkow, C. van Kessel, T. J. Vyn, K. G. Cassman
Review
Green & Sustainable Science & Technology
Zhisheng Yao, David E. Pelster, Chunyan Liu, Xunhua Zheng, Klaus Butterbach-Bahl
CURRENT OPINION IN ENVIRONMENTAL SUSTAINABILITY
(2020)
Review
Green & Sustainable Science & Technology
David R. Kanter, Stephen Del Grosso, Clemens Scheer, David E. Pelster, James N. Galloway
CURRENT OPINION IN ENVIRONMENTAL SUSTAINABILITY
(2020)
Review
Green & Sustainable Science & Technology
Sonja Leitner, David E. Pelster, Christian Werner, Lutz Merbold, Elizabeth M. Baggs, Farai Mapanda, Klaus Butterbach-Bahl
CURRENT OPINION IN ENVIRONMENTAL SUSTAINABILITY
(2020)
Article
Soil Science
David E. Pelster, Martin H. Chantigny, Isabelle Royer, Denis A. Angers, Anne Vanasse
Summary: Reduced tillage may increase soil nitrous oxide emissions, potentially offsetting the climate benefits of carbon sequestration in soils. The type of manure did not have a significant impact on nitrous oxide fluxes during the growing season.
SOIL & TILLAGE RESEARCH
(2021)
Article
Engineering, Environmental
Sonja Leitner, Donal Ring, George N. Wanyama, Daniel Korir, David E. Pelster, John P. Goopy, Klaus Butterbach-Bahl, Lutz Merbold
Summary: The study shows that IPCC emission factors overestimate greenhouse gas emissions from smallholder livestock systems in sub-Saharan Africa, calling for additional measurements to develop localized emission factors.
Review
Agriculture, Multidisciplinary
Yuhao Zhu, Klaus Butterbach-Bahl, Lutz Merbold, Sonja Leitner, David E. Pelster
Summary: This study found that urine application stimulates soil N2O emissions in tropical regions, especially during the wet season, while dung patches did not show any stimulation in N2O emissions during the observation periods. Additionally, based on synthesized data, excreta N2O EFs may vary by region, with a potential overestimation of emissions in African regions.
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2021)
Article
Environmental Sciences
Peter Semba Mosongo, David E. Pelster, Xiaoxin Li, Gokul Gaudel, Yuying Wang, Suying Chen, Wenyan Li, David Mburu, Chunsheng Hu
Summary: In sub-Saharan Africa, agriculture contributes to a significant percentage of anthropogenic greenhouse gas emissions. However, due to limited research in the region, there is still uncertainty regarding the impact of management activities on these emissions. This study aimed to reduce this uncertainty by measuring greenhouse gas emissions during maize growing seasons in central Kenya.
Article
Soil Science
David E. Pelster, Arumugam Thiagarajan, Chang Liang, Martin H. Chantigny, Claudia Wagner-Riddle, Kate Congreves, Reynald Lemke, Aaron Glenn, Mario Tenuta, Guillermo Hernandez-Ramirez, Shabtai Bittman, Derek Hunt, Jennifer Owens, Douglas MacDonald
Summary: National inventory reporting in Canada mainly relies on static chamber measurements to estimate agricultural nitrous oxide (N2O) emissions. However, these measurements often focus on the growing season and neglect emissions during the non-growing season (NGS), which contribute significantly to annual emissions. We used recent Canadian studies to validate the current correction factor and found that it should be revised to account for NGS emissions from all agricultural soils in Canada.
CANADIAN JOURNAL OF SOIL SCIENCE
(2022)
Article
Environmental Sciences
D. E. Pelster, Devon Watt, Ian B. Strachan, P. Rochette, N. Bertrand, M. H. Chantigny
JOURNAL OF ENVIRONMENTAL QUALITY
(2019)
Article
Environmental Sciences
Collins O. Oduor, Nancy Karanja, Richard Onwong'a, Stephen Mureithi, David Pelster, Gert Nyberg
CARBON BALANCE AND MANAGEMENT
(2018)