Does liming grasslands increase biomass productivity without causing detrimental impacts on net greenhouse gas emissions?

Abdalla, Mohamed; Espenberg, Mikk; Zavattaro, Laura; Lellei‐Kovács, Eszter; Mander, Ülo; Smith, Kate; Thorman, R. E.; Dămătîrcă, Claudia; Schils, R.L.M.; Ten-Berge, Hein; Newell-Price, Paul; Smith, Pete

doi:10.1016/j.envpol.2022.118999

Cited by 9 publications

(8 citation statements)

References 125 publications

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“…Such a negative relationship has also been documented for field fluxes in a meta study by Wang et al (2018). In a review paper by Abdalla et al (2022), in 4 out of 10 field studies N 2 O emissions decreased after increased pH by liming. However, under field conditions, the pH effect may be overridden by other factors.…”

Section: Discussionmentioning

confidence: 98%

“…Several other factors affect N 2 O emissions such as soil texture, soil organic matter content, inorganic N availability, moisture and functional microbial community composition (Abdalla et al, 2022; Wessén et al, 2011). Spatial variation of these factors may obscure the pH effect on N 2 O emissions.…”

Section: Introductionmentioning

confidence: 99%

“…Also, the trajectory of pH rise may affect N 2 O processes; rapid pH rise by fast‐reacting liming agents such as colloidal calcite may boost nitrification and increase available organic C, resulting in a transient increase in emission (Baggs et al, 2010). In addition, there still exists a gap in knowledge about impacts of liming on N 2 O emissions from grasslands (Abdalla et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

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Effect of calcareous and siliceous amendments onN₂Oemissions of a grassland soil

Vekic,

Nadeem,

Molstad

et al. 2023

Soil Use and Management

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of calcareous and siliceous amendments onN₂Oemissions of a grassland soil

Vekic,

Nadeem,

Molstad

et al. 2023

Soil Use and Management

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“…The policy aims for improved on‐farm nitrogen (N) fertiliser efficiency with variable rate fertiliser and lime spreading by utilising precision agriculture technologies (Scottish Government, 2018). To counteract natural and anthropogenic processes of soil acidification, soil pH is managed by the application of agricultural lime and lime applications have reduced nitrous oxide (N 2 O) and methane (CH 4 ) emissions in soils (Abdalla et al., 2022). Though soil pH is historically a fundamental aspect of management, declining rates of agricultural lime applications have been observed in the United Kingdom (Farm Advisory Service (FAS), 2019; Goulding, 2016).…”

Section: Introductionmentioning

confidence: 99%

A comparison of soil liming requirement methodologies in temperate, Northern European pedo‐climates

Boyko

Paton

Walker

et al. 2023

J. Plant Nutr. Soil Sci.

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BackgroundLiming agricultural land is essential to optimise crop yield and soil nutrients. Despite the importance of pH management in agricultural soils, liming applications have been decreasing in the United Kingdom for decades. There is no comparison of contemporary and historical liming requirement (LR) methods for Northern European, temperate climate mineral soils high in organic matter (OM).AimsThe aims of this research were to thoroughly comparatively analyse current methodologies and to ascertain which soil characteristics contribute to LR reactions.MethodsAnalysis compared methods for determining liming values common in the United Kingdom (Scottish Agricultural College [SAC] look‐up chart, RothLime model), Europe and the United States (Shoemaker–McLean–Pratt, Sikora, Modified Mehlich buffers), and the 30‐min calcium hydroxide titration developed by the University of Georgia.ResultsRothLime and SAC highly underestimated the LR value in acidic soils. The buffers highly over or underestimated LRs. The UGA titration method is a cheap, easy and accurate method which could be utilised for high OM soils but requires further calculation development. The characteristics most associated with soil–lime reactions in this experiment were measures of exchangeability (cation exchange capacity and loss on ignition, and by proxy, lime buffering capacity).ConclusionsThere is an opportunity to create buffer calculators and titration equations adapted to high OM soils. These are suggested for further development, through a larger diversity of UK soil types grouped by buffering capacity ranges. Including soil exchangeability factors in lime management calculations may contribute to more accurate values and therefore better resource management. Increasing LR accuracy for site‐specific soil pH management, used in precision agriculture technologies, is a necessary tool for the conservation of natural resources like limestone, managing resource use efficiency, and for optimising yields.

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“…The occurrence of soil acidity is identified as one of the major issues limiting the yields of many crops worldwide (Abdalla et al., 2022; Adane, 2014; Agegnehu et al., 2021; Alemu et al., 2022; Farina et al., 2000). Soil acidity impacts several biochemical reactions that control the availability of many essential plant nutrients, but in some cases, it also causes toxicity of certain micronutrients in soils (Ahmed et al., 2022; Alemu et al., 2022; Mahmud & Chong, 2022).…”

Section: Introductionmentioning

confidence: 99%

Lime microdosing: A new liming strategy for increased productivity in acid soils

Agyin‐Birikorang,

Adu‐Gyamfi,

Kadyampakeni

et al. 2023

Soil Science Soc of Amer J

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Despite the effectiveness of the fertilizer microdosing technique, lime microdosing to alleviate the negative impacts of soil acidity has not been comprehensively assessed. In a three‐year study at four sites across three countries (one in the USA, two in Ghana, and one in Burkina Faso), we evaluated the effectiveness of the microdosing technique for lime application to alleviate the adverse effects of soil acidity in cropping systems, using corn (Zea mays L.) as the study crop. Lime microdosing (LMD) was evaluated at four lime application rates, including 5%, 10%, 25% and 50% of the calculated lime‐requirement rate (LR), which was compared to the traditional lime broadcasting strategy using 75% and 100% LR. Averaged across all experimental sites for the duration of the study, LMD with 25% LR resulted in similar grain yield, and nitrogen, phosphorus, and potassium recovery efficiency as those of the traditional lime broadcast techniques with a 100% LR, but significantly greater than those of the lime broadcast techniques with 75% LR. Post‐harvest rhizosphere Al saturation percentage of the LMD with 25% LR was similar to that of the traditional lime broadcast techniques with a 100% LR. However, LMD with lime application rates lower than 25% LR was not agronomically effective. The combined results suggest that LMD could be an efficient liming technique, and that with this technique, as little lime material as 25% LR could be used to mitigate the negative impacts of Al toxicity associated with soil acidity. Nevertheless, economic analyses are required to determine the profitability of utilizing the LMD technique to mitigate the negative impacts of soil acidity on crop production relative to the traditional lime‐broadcast approach.This article is protected by copyright. All rights reserved

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Does liming grasslands increase biomass productivity without causing detrimental impacts on net greenhouse gas emissions?

Cited by 9 publications

References 125 publications

Effect of calcareous and siliceous amendments onN₂Oemissions of a grassland soil

Effect of calcareous and siliceous amendments onN₂Oemissions of a grassland soil

A comparison of soil liming requirement methodologies in temperate, Northern European pedo‐climates

Lime microdosing: A new liming strategy for increased productivity in acid soils

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Does liming grasslands increase biomass productivity without causing detrimental impacts on net greenhouse gas emissions?

Cited by 9 publications

References 125 publications

Effect of calcareous and siliceous amendments onN2Oemissions of a grassland soil

Effect of calcareous and siliceous amendments onN2Oemissions of a grassland soil

A comparison of soil liming requirement methodologies in temperate, Northern European pedo‐climates

Lime microdosing: A new liming strategy for increased productivity in acid soils

Contact Info

Product

Resources

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Effect of calcareous and siliceous amendments onN₂Oemissions of a grassland soil

Effect of calcareous and siliceous amendments onN₂Oemissions of a grassland soil