3 edition of Rice cultivation and methane emission found in the catalog.
Rice cultivation and methane emission
1993 by National Aeronautics and Space Administration, Scientific and Technical Information Program, National Technical Information Service, distributor] in [Washington, DC], [Springfield, Va .
Written in English
|Statement||Elaine Matthews, Jasmin John, Inez Fung.|
|Series||NASA technical memorandum -- 104595., NASA technical memorandum -- 104595.|
|Contributions||John, Jasmin., Fung, Inez., United States. National Aeronautics and Space Administration. Scientific and Technical Information Program.|
|The Physical Object|
Methane (CH 4) is the second most important anthropogenic greenhouse gas, with approximately one third the total radiative forcing of carbon dioxide ().CH 4 also enhances the formation of surface ozone in populated areas, and thus higher global concentrations of CH 4 may significantly increase ground-level ozone in the Northern Hemisphere ().Furthermore, methane affects the ability of Cited by: Methane emissions from rice fields in China were measured during at eight sites in five provinces (Guangdong, Jiangxi, Hunan, Jiangsu and Henan) under conditions representative of local practices for rice cultivation. Methane emission rates during the rice growth period varied from site to site and with treatments at the same site, ranging from to g CH4/ by:
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Flooded rice (Oryza sativa L.) cultivation has been identified as one of the leading global agricultural sources of anthropogenic methane (CH4) emissions.
Furthermore, it has been estimated that global rice production is responsible for 11% of total anthropogenic CH4 emissions.
Considering that CH4 has a global warming potential that is approximately 25 times more potent, on a mass basis, than Author: Alden D. Smartt, Kristofor R. Brye, Richard J. Norman. Improved rice production, which involves improved soil, nutrient management, water use, and tillage practices if grows from 41 million hectares to million hectares over thirty years, another gigatons of carbon dioxide emissions can be reduced.
Farmers could realize $ billion in lifetime net profits and $ billion in lifetime operational. Methane Emissions from Major Rice first part documents a comprehensive overview of the results achieved from an interregional research effort to quantify methane emission from major rice ecosystems and to identify efficient mitigation options.
This research report broadens understanding of the contribution of rice cultivation to methane Cited by: Reduction of methane from rice agriculture to control global warming comes with tradeoffs with increased nitrous oxide emissions.
High Spatial Resolution Maps of Emissions Produced. Maps of methane and nitrous oxide emissions at a resolution of 5 min × 5 min have been produced based on the composite results of this research. Estimation of Methane Emission from Rice Cultivation in Korea Article in Journal of Environmental Science and Health Part A 38(11) February with 65 Reads How we measure 'reads'.
As rice cultivation is done in continuous flooding of the rice field, anaerobic conditions are created in soil that reduced methane oxidation potential of soil and increased methane formation.
This result was consistent with CH 4 emission from rice field with continuous flooding (Oo et al., ). Rice is the seed of the grass species Oryza sativa (Asian rice) or Oryza glaberrima (African rice). As a cereal grain, it is the most widely consumed staple food for a large part of the world's human population, especially in is the agricultural commodity with the third-highest worldwide production (rice, million tonnes in ), after sugarcane ( billion tonnes) and maize (1 Bangladesh: "Methane is a powerful greenhouse gas and is estimated to be responsible for approximately one-fifth of man-made global warming.
Per kilogram, it is 25 times more powerful than carbon dioxide over a year time horizon -- and global warming is likely to enhance methane release from a number of sources. Current natural and man-made sources include many where methane-producing micro-organisms 5/5(2).
Rice is an essential crop in Ghana. Several aspects of rice have been studied to increase its production; however, the environmental aspects, including impact on climate change, have not been studied well.
There is therefore a gap in knowledge, and hence the need for continuous research. By accessing academic portals, such as Springer Open, InTech Open, Elsevier, and the Kwame Nkrumah Cited by: 5. Methane Emissions from Major Rice Ecosystems in Asia part documents a comprehensive overview of the results achieved from an interregional research effort to quantify methane emission from major rice ecosystems and to identify efficient mitigation options.
This research report broadens understanding of the contribution of rice cultivation. Get this from a library. Rice cultivation and methane emission: documentation of distributed geographic data sets. [Elaine Matthews; Jasmin John; Inez Fung; United States. National Aeronautics and Space Administration.
Scientific and Technical Information Program.]. Abstract. Rice fields are a major source of atmospheric methane (CH 4), a greenhouse 4 emissions from wetland rice fields represents globally 15–20% of the annual anthropogenic CH 4 emissions, and about 4% of the global CH 4 emissions.
Methane emission from rice cultivation may increase from the level of 97 Tg/year to Tg/year by due to the increase in acreage and Author: N. Singh, D. Patel, G. Khalekar. Methane from wetland (paddy) rice cultivation accounts for about 2 percent of anthropogenic methane emissions in the United States, and production is confined to a few regions of the country.
Globally, however, rice cultivation is responsible for approximately 10 percent of total emissions. Solution Summary* Rice is the staple food of 3 billion people, providing one-fifth of calories consumed worldwide.
Its cultivation is responsible for at least 10 percent of agricultural greenhouse gas emissions and 9 to 19 percent of global methane emissions. Methane emission mitigation from the rice paddy field mainly attempts to regulate the waterlogging period of the field over the whole rice cultivation process (Johnson et al., ; Uprety et al.
Remote sensing based estimates of methane emission from summer paddy rice cultivation in Udham Singh Nagar District in Uttarakhand, India.
Abstract Agricultural activities are associated with the emission of greenhouse gasses, notably methane (CH 4) which.
Methane Emission Factors for Rice Production in the Mekong River Delta This is an info note elaborating on a study of the International Rice Research Institute (IRRI) conducted by Vo et al.
() on methane emission from rice cultivation in different agro. Rice cultivation during four planting seasons by using cultivation system improvements, especially in the management provision of water and fertilizer, other than increasing rice production can also reduce methane emission which is often rumored as a cause of global warming.
Efforts to reduce methane emission from paddy fields must be done because of the impact of ecological damage caused by. This study presents the contribution of Philippine rice cultivation to global methane emission and breakthroughs in methane emission studies in the country which address the issue of mitigation.
Using the derived emission factors from local measurements, rice cultivation contributes Gg of methane emission in the Philippines. World rice production especially in Southeast Asia and tropical Asia is highly vulnerable to climate change. Rice production systems contribute to global climate change through emissions of carbon dioxide (CO 2), methane (CH 4), and N 2 O gases to the atmosphere and simultaneously are affected by the changed climatic variables.
Rice is the major cereal crop for more than half of the world’s Cited by: 3. Yao Huang, R. and F. Fisher () Methane Emissions from Texas rice paddy soils: 1.
Quantitative multi-year dependence of CH4 emission on soil, cultivar and grain yield, Global Change Biology, 3, Methane emission is a passive transfer through the aerenchyma and micropores located on rice leaves 〚〛. Methane emission varies with rice varieties 〚1〛 probably because of morphological differences in the aerenchyma 〚27〛 and root porosity 〚〛.
At the beginning of the crop cycle, when rice plants are little developed, bubble Cited by: The amount of CH 4 emissions increased approximately times in a span of 10 years (–), reaching a total emission value of Gg/Y by An increase of Cited by: 3. Estimation of regional methane emission from rice fields using simple atmospheric diffusion model s.- The effects of cultural practices on methane emission from rice fields.- Varietal differences in methane emission from Korean rice cultivars.- Influence of Azolla on CH4 emission from rice fields.
Project, Trade Technology Information - Contents on CD ROM. Information profile @ a Glance. 95% of the global warming inputs to the system are associated with the Paddy cultivation process, 2% with the harvesting process and 2% with the seeding and milling processes; To.
A paddy field is a flooded parcel of arable land used for growing semiaquatic crops, most notably rice and originates from the Neolithic rice-farming cultures of the Yangtze River basin in southern China, associated with pre-Austronesian and Hmong-Mien cultures.
It was spread in prehistoric times by the Austronesian expansion to Island Southeast Asia, Madagascar, Melanesia, Micronesia. Methane emission contribution from Indian livestock is the highest as compared to various other subsectors from agriculture, viz.
rice cultivation and open burning of crop residue. The largest biogenic sources of CH 4 are enteric fermentation from ruminant animals and rice production. The effects of conversion from staple rice to forage rice on carbon and greenhouse gas (GHG) balances in a paddy field were evaluated.
A staple rice plot without the application of livestock manure compost (LMC, S − M plot) and forage rice plots with and without the application of LMC, derived mainly from cattle (2 kg−FW m−2, F + M and F − M plots, respectively), were by: 2. In conventional lowland irrigated rice cultivation, green house gas like methane emission is elevated than the aerobic situation.
Under aerobic rice cultivation, researchers proved that methane emission has been reduced. Maintenance of soil structure is beneficial to non-rice crops in the rotation and timely sowing of succeeding crop after rice.
Yan, X., Akiyama, H., Yagi, K. & Akimoto, H. Global estimations of the inventory and mitigation potential of methane emissions from rice cultivation conducted using the Intergovernmental Cited by: consumption of greenhouse gases (GHGs), viz.
methane, nitrous oxide and carbon dioxide. The major sources of emission of GHGs in the agriculture sector are enteric fermentation, rice cultivation, agricultural soils, manure management and on-field burning of crop residue.
There are some indirect sources also like manufacturing. Paddy cultivation reduces global warming. He had pointed out the need to revise methane emission factors laid down by the Intergovernmental Panel on Climate Change in the light of studies for paddy. But none had tried to contest the rice and global warming connections from the carbon sequestration angle.
Most of these emissions come from rice cultivation. The Philippines is one of the world’s top rice producers. Flooded rice paddies emit as much as million tons of methane, around 20% of total manmade emissions of this gas, according to the Laguna.
Rice farmers are among the champions of sustainability, leading agriculture to a lower-carbon future. In the United States, agriculture produces nine percent of carbon emissions, and rice cultivation is responsible for ten percent of overall agricultural carbon emissions.
Globally, rice cultivation is one of the largest human sources of methane emissions. Co-authored the IPPC Guidelines on National Greenhouse Gas Inventories: Methane Emissions from Rice Cultivation (Reference Manualand Workbook). Also represented the OECD as an expert at the Twelfth Session of the IPCC in Mexico City, Our current estimate of historical methane emissions from rice cultivation () varies over time primarily as a function of changing harvest area; information on water management (e.g., % area irrigated, rain fed, dry) was available for only and we had to assume that proportions of rice area under various water-management schemes in.
Methane is a powerful greenhouse gas and is estimated to be responsible for approximately one-fifth of man-made global warming. Per kilogram, it is 25 times more powerful than carbon dioxide over a year time horizon -- and global warming is likely to enhance methane release from a number of sources.
Current natural and man-made sources include many where methane 4/5(1). MyBook is a cheap paperback edition of the original book and will be sold at uniform, low price. Anaerobic Cultivation, p In Yates M, Nakatsu C, Miller R, Pillai S (ed) Methane emission from natural wetlands: interplay between emergent macrophytes and.
Abstract: Anaerobic conditions after the flooding of rice fields leads to the emission of methane (CH 4), however root exudates may reduce the production of this greenhouse gas (GHG).This is because plant aerenchyma may facilitate CH 4 diffusion from the soil into the atmosphere, and the oxygen (O 2) in roots could oxidize CH 4 into carbon dioxide (CO 2).
Rice cultivation: Methane generated from methanogenesis occurring in flooded rice fields. The water management regime as well as soil properties (soil carbon) are primary factors determining the amount of methane generated.
Atmospheric methane is the methane present in Earth's atmosphere. Atmospheric methane concentrations are of interest because it is one of the most potent greenhouse gases in Earth's atmosphere. Atmospheric methane is rising. The year global warming potential of methane is That is, over a year period, it traps 84 times more heat per mass unit than carbon dioxide (CO 2) and 32 .Flooding of the soil is a prerequisite for sustained emissions of methane.
Recent assessments of methane emissions from irrigated rice cultivation estimate global emissions for the year at a level corresponding to million metric tons (mt) of carbon dioxide equivalent (CO2e). Net CH 4 release from rice paddies is determined by the balance between CH 4 production and consumption (Conrad, ).
Methane is produced by methanogenic archaea under anaerobic conditions and this process is largely determined by C availability (Tokida et al., ; Watanabe, Takeda, & Kimura, ).Author: Haoyu Qian, Shan Huang, Jin Chen, Ling Wang, Bruce A.
Hungate, Chris van Kessel, Jun Zhang, Aixing D.