Effect of slurry application techniques on nitrous oxide emission from temperate grassland under varying soil and climatic conditions

Grass and Forage Science, Journal Year: 2023, Volume and Issue: 78(3), P. 338 - 358

Published: May 20, 2023

Abstract The effect of slurry application techniques and N stabilizing strategies on nitrous oxide emission from grasslands is poorly understood and, therefore, can result in large uncertainties national/regional inventories. Field experiments were, thus, conducted to estimate the different fertilization (N 2 O) emissions. Fertilizer was applied (135–270 kg ha −1 year ) as calcium ammonium nitrate (CAN), untreated or treated cattle slurry. either with sulfuric acid (target pH = 6.0), using trailing shoes 3,4‐dimethyl pyrazole phosphate via slot injection. O fluxes were sampled closed chamber technique. Cumulative emissions ranged 0.1–2.9 across treatment, sites years. showed inconsistent effects soil mineral content, cumulative yield. fertilizer replacement value low due use efficiencies at sites. However, a close positive relationship ( r 0.5; p .013) between biomass yield observed, highlighting benefit high crop productivity. O‐N factors for all treatments, including CAN, but 2–6 times higher 2019 than 2020 lower precipitation 2020. Variations largely explained by climatic factors. Even emissions, this study highlights (significant mitigation emissions) replacing increasingly expensive chemical input under favourable conditions denitrification.

Language: Английский

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Effect of Dicyandiamide on Grassland Nitrous Oxide Emission Rates by a Meta-Analysis

Polish Journal of Environmental Studies, Journal Year: 2024, Volume and Issue: 33(3), P. 2019 - 2025

Published: Feb. 14, 2024

Nitrogen losses of nitrous oxide (N 2 O) in grazed grassland are strongly driven by urine deposition grazing ruminants.There is robust concern about applying nitrification inhibitor to mitigate nitrogen global grasslands.However, the effect dicyandiamide (DCD) on N O emission rates and its factors remain unclear due spatial heterogeneity.In present study, we synthesized 133 group data from 69 published articles.It was indicated that size -0.784±0.048(P<0.0001)indicating a reduction 54.34% rates.There significant difference between different dose fertilization.Moderate dosage DCD application best mitigation 56.09%, which significantly higher than light application.Mixed model results revealed precipitation, bulk density air temperature could explain 16.93%, 12.31% 3.02% variations size.In addition, an effective strategy grasslands.

Language: Английский

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Getting Support for Adoption of Climate‐Smart 4R Practices

Crops & Soils, Journal Year: 2024, Volume and Issue: 57(2), P. 28 - 35

Published: March 1, 2024

Abstract Nutrient management, particularly for nitrogen, plays an important role in improving the carbon footprint of crop production. Many programs have recently expanded their offerings or funding levels incentives to farmers adopt more climate‐smart nutrient management practices. These provide opportunities advisers accelerate adoption among clients 4R practices that reduce greenhouse gas emissions and support soil sequestration. The intent this article is a broad description available most likely be effective. Earn 1.5 CEUs Management by reading taking quiz at https://web.sciencesocieties.org/Learning‐Center/Courses .

Language: Английский

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Reduction of Nitrous Oxide Emissions from Urine Patches from Grazed Dairy Pastures in New Zealand: A Preliminary Assessment of ORUN® as an Alternative to the Use of Nitrification Inhibitor Dicyandiamide (DCD)

Sustainability, Journal Year: 2024, Volume and Issue: 16(7), P. 2843 - 2843

Published: March 28, 2024

Agriculture plays a significant role in economic development and livelihood is key contributor to food security nutrition. However, global concerns regarding the sustainability of agricultural sector (mainly environmental damage) linked activities such as greenhouse gas (GHG) emissions, water pollution, loss biodiversity. The aim this study was assess effectiveness ORUN® (a formulated chemical mixture) reduce N2O emissions from urine patches improve pasture yield, N uptake, soil mineral concentrations. field trials were conducted during spring 2015 on dairy at Massey University, New Zealand. Treatments consisted control nil urine, + ProGibb®, only, ORUN®, ORUN PLUS® replicated four times randomized complete block design. At 31 days after treatment (DAT), analysis samples 0–5 cm profiles showed that ProGibb® significantly (p = 0.0041) increased nitrate concentration (121.40 kgN/ha) compared with 48.15 kgN/ha only. ProGib® produced lower herbage recovery (35% applied N) Throughout trial period, treated higher fluxes only PLUS®, well surface

Language: Английский

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Greenhouse-gas abatement on Australian dairy farms: what are the options?

Animal Production Science, Journal Year: 2024, Volume and Issue: 64(16)

Published: Nov. 6, 2024

The Australian dairy industry contributes significantly to the rural economy, but must reduce its greenhouse-gas emissions remain competitive in a global market that is starting prioritise low carbon footprint. Demand for improved environmental, social and governance performance from supply chains creates an imperative research deliver options farmers make reductions their environmental Given rapidly evolving nature of abatement research, this critical review provides update on state relevant systems identifies gaps be addressed if there widespread on-farm adoption. Current suggests farms could theoretically abate enteric methane by 40–50%, with about another 5–10% reduction whole-farm being possible flocculating or covering stored effluent. Fertiliser- urine-patch management strategies substantially direct indirect nitrous oxide emissions, variable amounts subject local conditions. However, few are currently cost-effective farmers. Significantly more investment required facilitate adoption strategies, particularly improve efficiency nitrogen cycling. Improved understanding influences each strategy’s potential interactions economically important traits grazing systems, effect combining which can implemented cost-effectively farms. challenge consider how implementation refined maintain position market.

Language: Английский

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Evolution of research on air emissions from agricultural activities: A comprehensive review

Environmental Science and Pollution Research, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 7, 2024

Language: Английский

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Mitigation Strategies for NH₃ and N₂O Emissions in Greenhouse Agriculture: Insights into Fertilizer Management and Nitrogen Emission Mechanisms

Environmental Technology & Innovation, Journal Year: 2024, Volume and Issue: unknown, P. 103995 - 103995

Published: Dec. 1, 2024

Language: Английский

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Assessing N2O Emissions from Tropical Crop Cultivation in Mineral and Peatland Soils: A Review

Caraka Tani Journal of Sustainable Agriculture, Journal Year: 2023, Volume and Issue: 38(2), P. 308 - 308

Published: Aug. 18, 2023

<p>Nitrous oxide (N₂O) emissions from agricultural activities contribute significantly to global warming. Understanding the factors influencing N₂O is crucial for developing effective mitigation strategies. This review assesses various crops cultivated in tropical mineral and peatland soils, providing insights into impact of land use, fertilization practices rainfall on fluxes. Field measurements fluxes were conducted fields growing corn, peanuts, cassava Bogor Regency, West Java Province, as well areas with Acacia plantations natural primary forests Bengkalis Riau Province. The study total each crop type, revealing significant variations among different uses. Peatland exhibit higher compared emphasizing need targeted measures these ecosystems. findings highlight importance considering type age use when evaluating emissions. Land management practices, such fertilizer soil disturbance, emerge critical affecting Improper application excessive disturbance can lead increased emissions, underscoring necessity careful N conservation tillage techniques.</p>

Language: Английский

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Sustainability Assessment of Key European Dairy Cattle Production Systems: System Identification, Analysis, and Greenhouse Gas and Nitrogen Emission Mitigation

Published: July 11, 2023

All studies conducted in the course of this Ph.D. Thesis were funded by German Federal Ministry Food and Agriculture (BMEL) through Office for (BLE) within framework project "MilKey" (grant number 2819ERA08A), joint call 2018 ERA-GAS no. 696356), SusAn 696231) ICT-AGRI 2 618123) on "New technologies, solutions, systems to reduce greenhouse gas emissions animal production systems". BC3-Research is supported Spanish Government María de Maeztu excellence accreditation 2018–2022 (Ref. MDM-2017-0714) 2023-2026 CEX2021-001201-M, MCIN/AEI/10.13039/501100011033) Basque BERC 2018–2021 program. Agustin del Prado financed Ramon y Cajal program Economy, Industry, Competitiveness (RYC-2017-22143).

Language: Английский

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