Methane emission from Matsuo rice paddy field in light of different fertilizers, costs, profit and carbon credit

Gergő Kun,Inubushi Kazuyuki,Adrián Nagy,Hanazawa Shunsuke,Takahashi Maasa

doi:10.34101/actaagrar/69/1781

Gergő Kun, Inubushi Kazuyuki + Show 3 more

Open Access

https://doi.org/10.34101/actaagrar/69/1781

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Abstract

Nowadays global warming is a major issue to our environment. This issue is generated by the modern human activities like industry and intensive agriculture. This research is about methane emission from rice paddy fields. The aim of the study is to lower the methane emission from the field with the help of using different type of fertilizers, whilst we keep in focus the efficient economic operation. The main experimental field is Matsuo paddy field, (Matsuo town, Sanbu city, Chiba prefecture) which is analyzed by the Chiba University’s soil science laboratory, they provided the data for this study. During the study three type of fertilizer was analyzed which are all organic and the control was a regular chemical fertilizer. For all fertilizers the cost and income of the production were calculated and the profit was weighted with the methane emission what a specific fertilizer produced during the cultivation. In the future if the organic fertilizers are in focus than it is necessary to find a new material what can be competitive with the chemical fertilizers in focus of GHG emission or find an alternative way of the usage of methane in biogas production.

Highlights

The 21st centurys most important issue is the global warming
Uncertainty about the global emissions of CH4, N2O and the fluorinated gases covered under the Kyoto Protocol (F-gases) has been estimated at 20%, 60% and 20%, respectively. 2010 was the most recent year for which emission statistics on all gases as well as assessments of uncertainties were essentially complete at the time. (IPCC 2014) Methane emission is contributing 16% towards global warming but the biggest emissive is not the industry for this greenhouse gas (GHG)
As the result shows simple profit is not everything, the rice straw is a really good option for producing at low costs with high yield but it will lead to high methane emission from the paddy field

Summary

Introduction

The 21st centurys most important issue is the global warming. This issue is generated by the modern human activities like industry and intensive agriculture. Higher food, feed and fiber demand will place an increasing pressure on land and water resources, whose availability and productivity in agriculture may themselves be under threat from climate change (Popp et al 2013). The beginning of this progress was at the 18th century when the industrial revolution started in Great Britain and in Europe and in some parts of North America. From this time the size of the industry is just increased all around the world and nowadays this is the biggest greenhouse gas emissive. Like other environmental problems, involves an externality: the emission of greenhouse gases damages others at no cost to the agent responsible for the emissions (Stern 2006)

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