Carbon dioxide exchange at four intensively managed grassland sites across different climate zones of Japan and the influence of manure application on ecosystem carbon and greenhouse gas budgets

Hirata, Ryuichi; Miyata, Akira; Mano, Masayoshi; Shimizu, Mariko; Arita, Takatoshi; Kouda, Yasuyuki; Matsuura, Shoji; Niimi, Mitsuhiro; Saigusa, Toshiya; Mori, Akinori; Hojito, Masayuki; Kawamura, Osamu; Hatano, Ryusuke

doi:10.1016/j.agrformet.2013.04.007

Cited by 36 publications

(25 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Manure application in an appropriate manner is favorable management option to increase SOC and effectively managing livestock waste. (Hirata et al 2013). Our results suggest that the types of manure, from different storage conditions, had significant effect on the C balance.…”

Section: Discussionmentioning

confidence: 51%

Effect of dairy manure type on the carbon balance of mowed grassland in Nasu, Japan: comparison between manure slurry plus synthetic fertilizer plots and farmyard manure plus synthetic fertilizer plots

Mori

Hojito

2015

Soil Science and Plant Nutrition

Self Cite

View full text Add to dashboard Cite

The objective of this study was to compare the carbon (C) balance of mowed grassland that received either manure slurry plus synthetic fertilizers (slurry plots) or sawdust-containing composted farmyard manure plus synthetic fertilizers (FYM plots ) was applied to a maximum based on a safe potassium content that met the potassium requirement for forage grass production. Ammonium sulfate and superphosphate were additionally supplied to meet the nitrogen (N) and phosphorus requirements. The C inputs to the soil through manure + plant residues (losses during harvesting) and the C outputs from the soil (i.e., respiration) through decomposition of soil organic matter (R s ) + applied manure (R m ) + plant residues (R p ) were monitored for 2 years. R s and R m were estimated by using a closedchamber method with root exclusion. R p was estimated by using a litter-bag method. R s averaged 8.2 Mg-C ha -1 per 2 years. R m accounted for 84% of the applied slurry C (5.5 Mg-C ha -1 per 2 years), and 23% of applied FYM C (9.0 Mg-C ha -1 per 2 years). R p accounted for 68-70% of plant-residue C (1.0-1.1 Mg-C ha -1 per 2 years) in the slurry and FYM plots. The C balance of the grassland, estimated as C inputs through manure + plant residues minus C outputs through R s + R m + R p , was -7.0 Mg-C ha -1 per 2 years in the slurry plots and -1.0 Mg-C haper 2 years in the FYM plots. Thus, FYM application produced a smaller decrease in the soil organic C by 6.0 Mg-C ha -1 per 2 years in comparison with the slurry application. The decomposability of the applied manure therefore depended on the storage conditions, which have an important effect on the C balance (i.e., increment of SOC). Plant residues (i.e., harvest loss) contributed less than FYM to the C balance.

show abstract

Section: Discussionmentioning

confidence: 51%

Effect of dairy manure type on the carbon balance of mowed grassland in Nasu, Japan: comparison between manure slurry plus synthetic fertilizer plots and farmyard manure plus synthetic fertilizer plots

Mori

Hojito

2015

Soil Science and Plant Nutrition

Self Cite

View full text Add to dashboard Cite

show abstract

“…; Hirata et al 2013) were similar to that of semi-natural grasslands in the Aso region (Toma et al 2013). The higher capacity for atmospheric C fixation in semi-natural grasslands compared with agricultural fields contributes to global warming mitigation.…”

Section: Global Warming Potentials In Burned Semi-natural Miscanthus mentioning

confidence: 50%

Evaluation of greenhouse gas emissions in aMiscanthus sinensisAndersson-dominated semi-natural grassland in Kumamoto, Japan

Toma

Yamada

Fernández

et al. 2015

Soil Science and Plant Nutrition

Self Cite

View full text Add to dashboard Cite

Increasing greenhouse gas emissions from anthropogenic activities continue to be a mounting problem worldwide. In the semi-natural Miscanthus sinensis Andersson; grasslands of Aso, Kumamoto, Japan, which have been managed for thousands of years, we measured soil methane (CH 4 ) and nitrous oxide (N 2 O) emissions before and after annual controlled burns. We estimated annual soil carbon (C) accumulation, and CH 4 and N 2 O emissions induced by biomass burning in 2009 and 2010, to determine the impacts of this ecosystem and its management on global warming. Environmental factors affecting soil CH 4 and N 2 O fluxes were unknown, with no effect of annual burning observed on short-term soil ) were relatively lower than those measured in other land-use types. Despite significant emission of CH 4 and N 2 O during yearly burning events in early spring, the M. sinensis semi-natural grassland had a large annual soil C accumulation, which resulted in a global warming potential of −4.86 Mg CO 2 eq ha −1 yr −1. Consequently, our results indicate that long-term maintenance of semi-natural M. sinensis grasslands by annual burning can contribute to the mitigation of global warming. ARTICLE HISTORY

show abstract

“…), indicating that these plots lost C (Hirata et al 2013). However, in the adjacent mowed grassland plots that received FYM plus supplemental synthetic fertilizers, the sum of NEP-C (0.12-2.63 Mg C ha −1 year −1 ) and FYM-C (1.9-7.7 Mg C ha −1 year −1 ) was greater than the amount harvested (3.2-5.2 Mg C ha…”

Section: Carbon Balance Of Grasslands In Japanmentioning

confidence: 97%

“…Therefore, the difference in the NECB between the treatments was due mainly to FYM-C that remained undecomposed on the surface (Hirata et al 2013). During the three-year observation period, the cumulative rate of decomposition was estimated to be 25% ± 37% of the amount of FYM-C applied during the same period (Shimizu et al 2014a, b).…”

Section: Carbon Balance Of Grasslands In Japanmentioning

confidence: 99%

Greenhouse Gas Sink-Source Functions of Grassland Ecosystems

Mori

2016

JARQ

Self Cite

View full text Add to dashboard Cite

This review summarizes research on greenhouse gas (GHG) exchange between the atmosphere and grasslands in Japan, identifi es research need, and contributes to advances in the research fi eld of GHG mitigation in grassland ecosystems. Applications of farmyard manure (FYM) and synthetic fertilizers do not reduce the ability of intensively managed grassland soils to oxidize methane (CH 4 ). On the one hand, the use of synthetic fertilizers alone reduces the net ecosystem carbon balance (NECB) of mowed grassland ecosystems. On the other hand, the application of FYM with supplemental synthetic fertilizers at rates determined from the mineralization of FYM increases the NECB at the same yields, due mainly to C brought into the ecosystem as FYM. It also limits further emissions of nitrous oxide (N 2 O). Precipitation before and after fertilization in the summer months is the key driver of interannual variation in N 2 O emissions. These fi ndings collectively suggest that the application of FYM with the appropriate reduction in supplemental synthetic fertilizers can maintain soil organic C and maximize the net GHG balance of mowed grassland ecosystems in Japan. Studies on organic matter inputs through root growth and turnover, and models to predict large N 2 O fl uxes are needed to enhance our understanding of the NECB and net GHG balance of grassland ecosystems.

show abstract

Carbon dioxide exchange at four intensively managed grassland sites across different climate zones of Japan and the influence of manure application on ecosystem carbon and greenhouse gas budgets

Cited by 36 publications

References 29 publications

Effect of dairy manure type on the carbon balance of mowed grassland in Nasu, Japan: comparison between manure slurry plus synthetic fertilizer plots and farmyard manure plus synthetic fertilizer plots

Effect of dairy manure type on the carbon balance of mowed grassland in Nasu, Japan: comparison between manure slurry plus synthetic fertilizer plots and farmyard manure plus synthetic fertilizer plots

Evaluation of greenhouse gas emissions in aMiscanthus sinensisAndersson-dominated semi-natural grassland in Kumamoto, Japan

Greenhouse Gas Sink-Source Functions of Grassland Ecosystems

Contact Info

Product

Resources

About