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This study comprises a set of methane emission measurements in rice fields located in the four agro-ecological zones of the Mekong River Delta (MRD), namely the zones with (i) alluvial soils, (ii) salinity intrusion, (iii) deep flood, and (iv) acid sulfate soils. These zones have very distinct bi...


Vo, Thi Bach ThuongWassmann, ReinerTirol-Padre, AgnesCao, Van PhuongMacDonald, BenEspaldon, Maria VictoriaSander, Bjoern Ole[Methane emission from rice cultivation in different agro-ecological zones of the Mekong river delta: seasonal patterns and emission factors for baseline water management]Methane emission from rice cultivation in different agro-ecological zones of the Mekong river delta: seasonal patterns and emission factors for baseline water management

Climate-smart Agriculture (CSA) represents a commonly accepted term in referring to intended changes in agriculture production addressing climate change. Although specific definitions may vary, CSA is typically conceived as having three pillars, namely Adaptation, Food Security and Mitigation. Th...


Wassmann, ReinerVillanueva, J.Khounthavong, MalisaOkumu, Benard O.Vo, Thi Bach ThuongSander, Bjoern Ole[Adaptation, mitigation and food security: Multi-criteria ranking system for climate-smart agriculture technologies illustrated for rainfed rice in Laos]Adaptation, mitigation and food security: Multi-criteria ranking system for climate-smart agriculture technologies illustrated for rainfed rice in Laos

Rice agriculture is a large anthropogenic source of atmospheric methane (CH 4 ). The reliable estimation of CH 4 emissions requires frequent measurements to trace diurnal and seasonal variations. To evaluate the appropriate intervals and optimal time of day to measure CH 4 emissions using t...


Minamikawa KYagi, K.Tokida TSander, Bjoern OleWassmann, Reiner[Appropriate frequency and time of day to measure methane emissions from an irrigated rice paddy in Japan using the manual closed chamber method]Appropriate frequency and time of day to measure methane emissions from an irrigated rice paddy in Japan using the manual closed chamber method

Reducing greenhouse gas (GHG) emissions from agriculture is needed to meet global climate policy targets. A number of low-emission development (LED) options exist in agriculture, which globally emits 10–12% of GHG emissions. In paddy rice production, alternative wetting and drying (AWD) can reduc...


Farnworth, Cathy R.Hà, Trần ThuSander, Bjoern OleWollenberg, Eva K.Haan, Nicoline C. deMcGuire, Shawn[Incorporating gender into low-emission development: a case study from Vietnam]Incorporating gender into low-emission development: a case study from Vietnam

This study comprises field experiments on methane emissions from rice fields conducted with an Eddy-Covariance (EC) system as well as test runs for a modified closed chamber approach based on measurements at nighttime. The EC data set covers 4 cropping seasons with highly resolved emission rates ...


Wassmann, ReinerAlberto, Ma. Carmelita R.Tirol-Padre, AgnesHoang, Nghia TrongRomasanta, Ryan R.Sander, Bjoern Ole[Increasing sensitivity of methane emission measurements in rice through deployment of ‘closed chambers’ at nighttime]Increasing sensitivity of methane emission measurements in rice through deployment of ‘closed chambers’ at nighttime

Irrigated rice cultivation is a major source of greenhouse gas (GHG) emissions from agriculture. Methane (CH4) and nitrous oxide (N2O) are emitted not only throughout the growing season but also in the fallow period between crops. A study was conducted for two transition periods between rice crop...


Sander, Bjoern OleSamson, MarianneSánchez, Pearl B.Valencia, Katherine P.Demafelix, Evyan A.M.Buresh, Roland J.[Contribution of fallow periods between rice crops to seasonal GHG emissions: effect of water and tillage management]Contribution of fallow periods between rice crops to seasonal GHG emissions: effect of water and tillage management

70% of the world’s freshwater is used for irrigated agriculture and demand is expected to increase to meet future food security requirements. In Asia, rice accounts for the largest proportion of irrigated water use and reducing or conserving water in rice systems has been a long standing goal in ...


Nelson, AndrewWassmann, ReinerSander, Bjoern OlePalao, Leo Kris[Climate-Determined Suitability of the Water Saving Technology "Alternate Wetting and Drying" in Rice Systems: A Scalable Methodology demonstrated for a Province in the Philippines]Climate-Determined Suitability of the Water Saving Technology "Alternate Wetting and Drying" in Rice Systems: A Scalable Methodology demonstrated for a Province in the Philippines

The ‘alternate wetting and drying’ (AWD) technology for rice is a water-saving technology with a high greenhouse gas (GHG) mitigation potential. The Philippine government attempts to disseminate AWD in all national irrigation systems in order to adapt to increasingly scarce water resources. This...


Sander, Bjoern OleWassmann, ReinerPalao, Leo KrisNelson, Andrew[Climate-based suitability assessment for alternate wetting and drying water management in the Philippines: a novel approach for mapping methane mitigation potential in rice production]Climate-based suitability assessment for alternate wetting and drying water management in the Philippines: a novel approach for mapping methane mitigation potential in rice production

Wassmann, ReinerSander, Bjoern OleYadav, SudhirBouman, BasSingleton, GrantStuart, AlexanderHellin, JonathanJohnson, DavidHughes, Jacqueline d'ArrosButterbach-Bahl, KlausKiese, RalfKraus, DavidJanz, BaldurLinquist, BruceGaihre, Yam KantaChirinda, NgonidzasheWollenberg, Eva K.[New records of very high nitrous oxide fluxes from rice cannot be generalized for water management and climate impacts]New records of very high nitrous oxide fluxes from rice cannot be generalized for water management and climate impacts

Purpose In recent years, climate-smart agriculture (CSA) was introduced to Vietnam to enhance farmers’ resilience and adaptation to climate change. Among the climate-smart agricultural technologies (CSATs) introduced were water-saving techniques and improved stress tolerant varieties. This study ...


Duyen, Tran Nhat LamRañola, Roberto F. JrSander, Bjoern OleReiner, WassmannNguyen, Dinh TienNong, Nguyen Khanh Ngoc[Determinants of adoption of climate-smart agriculture technologies in rice production in Vietnam]Determinants of adoption of climate-smart agriculture technologies in rice production in Vietnam

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