Impact of plastic film mulching on increasing greenhouse gas emissions in temperate upland soil during maize cultivation

Cuello, Jennifer; Hwang, Hyun Young; Gutierrez, Jessie; Kim, Sang Yoon; Kim, Pil Joo

doi:10.1016/j.apsoil.2015.02.007

Cited by 213 publications

(64 citation statements)

References 28 publications

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“…Soil and air temperature also have known links to N 2 O fluxes, often influencing processes that result in a “multiplier effect” on emissions (Butterbach‐Bahl et al, ); therefore, the higher temperatures found in the Min Till + Film and No Till treatments (compared to the Pasture) could have had a disproportionate impact on N 2 O emissions. However, despite concerns that the use of a film layer can increase N 2 O emissions (Cuello, Hwang, Gutierrez, Kim, & Kim, ; Nishimura, Komada, Takebe, Yonemura, & Kato, ), we found that although the film layer did increase soil temperature and NO 3 ‐ levels and reduce soil moisture, this did not create significantly higher N 2 O emissions compared to the other tillage methods. The film layer also proved to be beneficial for establishment which would therefore contribute to better future yields and hence reductions in yield scaled emissions (Kim, Das, Hwang, & Kim, ; Olave et al, ).…”

Section: Discussioncontrasting

confidence: 58%

Soil N₂O emissions with different reduced tillage methods during the establishment of Miscanthus in temperate grassland

et al. 2018

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An increase in renewable energy and the planting of perennial bioenergy crops is expected in order to meet global greenhouse gas (GHG) targets. Nitrous oxide (N 2 O) is a potent greenhouse gas, and this paper addresses a knowledge gap concerning soil N 2 O emissions over the possible “hot spot” of land use conversion from established pasture to the biofuel crop Miscanthus . The work aims to quantify the impacts of this land use change on N 2 O fluxes using three different cultivation methods. Three replicates of four treatments were established: Miscanthus x giganteus (Mxg) planted without tillage; Mxg planted with light tillage; a novel seed‐based Miscanthus hybrid planted with light tillage under bio‐degradable mulch film; and a control of uncultivated established grass pasture with sheep grazing. Soil N 2 O fluxes were recorded every 2 weeks using static chambers starting from preconversion in April 2016 and continuing until the end of October 2017. Monthly soil samples were also taken and analysed for nitrate and ammonium. There was no significant difference in N 2 O emissions between the different cultivation methods. However, in comparison with the uncultivated pasture, N 2 O emissions from the cultivated Miscanthus plots were 550%–819% higher in the first year (April to December 2016) and 469%–485% higher in the second year (January to October 2017). When added to an estimated carbon cost for production over a 10 year crop lifetime (including crop management, harvest, and transportation), the measured N 2 O conversion cost of 4.13 Mg CO 2 ‐eq./ha represents a 44% increase in emission compared to the base case. This paper clearly shows the need to incorporate N 2 O fluxes during Miscanthus establishment into assessments of GHG balances and life cycle analysis and provides vital knowledge needed for this process. This work therefore also helps to support policy decisions regarding the costs and benefits of land use change to Miscanthus .

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Section: Discussioncontrasting

confidence: 58%

Soil N₂O emissions with different reduced tillage methods during the establishment of Miscanthus in temperate grassland

et al. 2018

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“…Plastic film mulching was effective at suppressing weeds and improving soil moisture and temperature conditions during the cultivation of the maize cash crop (Figure ) (Cuello et al, ; Fan, Zhang, & Wu, ). Two properties of the soil were consistently greater in the FM plots than no‐mulching plots during cropping seasons.…”

Section: Discussionmentioning

confidence: 99%

Depletion of soil organic carbon stocks are larger under plastic film mulching for maize

Lee

Hwang

Park

et al. 2019

European J Soil Science

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To determine the effect of plastic film mulching (FM) on changes in soil organic carbon (SOC) stocks, the annual C balances were determined by analysing the net ecosystem C budget (NECB), which means the difference between total C input and output, under FM and with no mulching for 2 years. Plots with black FM and no mulching were installed as the main treatment, and chemical and organic fertilizer plots were placed within each main plot as sub‐treatments. In the organic fertilizer treatment, a mixture of barley (Hordeum vulgare L.) and hairy vetch (Vicia villosa Roth) was cultivated as a cover crop during fallow seasons, and its whole biomass (9.1–13.9 Mg ha−1, DW) was recycled as green manure. Plastic film mulching significantly increased the maize yield (p < 0.001), mainly because of improved soil moisture and temperature conditions. This stimulated growth under FM, increased the net primary production (NPP) of maize by 3.8–4.7 and 5.0–5.2 Mg C ha−1 over no mulching in the chemical and organic fertilizer treatments, respectively. However, FM increased the loss of mineralized C by an average of 2.6 and 3.7 Mg C ha−1 over the no‐mulching plots for the same treatments. Because the whole aboveground biomass of maize was removed, the annual NECB had a large negative value under all treatments. For the chemical fertilizer treatment, the annual NECB was minus 6.1–7.1 Mg C ha−1 year−1 under no mulching, but under FM it decreased to minus 7.9–8.9 Mg C ha−1 year−1. Cover cropping and its biomass recycling, however, increased the annual NECB by 43–48% and 25–26% with no mulching and FM, respectively. Therefore, cover cropping and the recycling of its biomass and crop residues are more likely to sustain SOC stocks under the FM system. Highlights Film mulching significantly increased maize yields and net primary production. Film mulching significantly increased respired C loss in soil. Film mulching significantly decreased soil C stock. Cover cropping and incorporation of its biomass increased soil C stock.

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“…The soil respiration in the ridges after uncovering 534 the mulch for 24 hours (om) (Fig. 9) was also prominently greater than in the ridges more CO2 in the furrows, and (Cuello et al, 2015) found that plastic film significantly 571 increased the CH4 and N2O greenhouse gas emissions.…”

mentioning

confidence: 93%

Precipitation alters plastic film mulching impacts on soil respiration in an arid area of Northwest China

Ming¹,

Hu²,

Peng³

et al. 2017

Preprint

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Plastic film mulching (PFM) has been widely used for saving water and 9 improving yield around the world, particularly in arid areas. However, the effect of 10 PFM in agriculture on soil respiration is still unclear, and this effect may be 11 confounded with irrigation and precipitation. To detect the effects of PFM, irrigation 12 and precipitation on the temporal and spatial variations in soil respiration, plastic explains why certain studies concluded that plastic mulch decreased soil respiration. 40The above results indicate that both irrigation and precipitation alter soil respiration 41 and this effect can be modified by plastic mulch. Therefore, whether the PFM

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Impact of plastic film mulching on increasing greenhouse gas emissions in temperate upland soil during maize cultivation

Cited by 213 publications

References 28 publications

Soil N₂O emissions with different reduced tillage methods during the establishment of Miscanthus in temperate grassland

Soil N₂O emissions with different reduced tillage methods during the establishment of Miscanthus in temperate grassland

Depletion of soil organic carbon stocks are larger under plastic film mulching for maize

Precipitation alters plastic film mulching impacts on soil respiration in an arid area of Northwest China

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Impact of plastic film mulching on increasing greenhouse gas emissions in temperate upland soil during maize cultivation

Cited by 213 publications

References 28 publications

Soil N2O emissions with different reduced tillage methods during the establishment of Miscanthus in temperate grassland

Soil N2O emissions with different reduced tillage methods during the establishment of Miscanthus in temperate grassland

Depletion of soil organic carbon stocks are larger under plastic film mulching for maize

Precipitation alters plastic film mulching impacts on soil respiration in an arid area of Northwest China

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Soil N₂O emissions with different reduced tillage methods during the establishment of Miscanthus in temperate grassland

Soil N₂O emissions with different reduced tillage methods during the establishment of Miscanthus in temperate grassland