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Water-saving technologies such as alternate wetting and drying (AWD) provide a way to change practices to improve the livelihoods of many rice farmers and AWD is regarded as one of the more important rice cultivation methods that can dramatically save freshwater irrigation in this century. AWD no...


Siopongco, JDLCWassmann, ReinerSander, Bjoern Ole[Alternate wetting and drying in Philippine rice production: feasibility study for a Clean Development Mechanism]Alternate wetting and drying in Philippine rice production: feasibility study for a Clean Development Mechanism

Rice is produced in a wide range of locations and under a variety of climatic conditions, from the wettest areas in the world to the driest deserts. It is produced along Myanmar’s Arakan Coast, where the growing season records an average of more than 5,100 mm of rainfall, and at Al Hasa Oasis in ...


Mohanty, SWassmann, ReinerNelson, A.Moya, PJagadish, Krishna S.V.[Rice and climate change: significance for food security and vulnerability]Rice and climate change: significance for food security and vulnerability

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

Methane (CH4) production and emission from three rice-growing soils (Luisiana, Maahas and Pila) of Luzon Island in the Philippines were estimated by incubation and pot culture studies, respectively, to understand their interrelationship. Topsoil (0 20 cm depth) and subsoil (30 50 cm depth) were u...


Mitra SMajumdar DWassmann, Reiner[Methane production and emission in surface and subsurface rice soils and their blends]Methane production and emission in surface and subsurface rice soils and their blends

Greenhouse gas (GHG) mitigation strategies are often constrained by rice farmers’ preferences, therefore an assessment of mitigation strategies taking farmers’ constraints into consideration, are important for their pos- sible adoption. The field experiments were conducted for two continuous rice...


Tariq, AzeemDuong Vu, QuynhJensen, Lars S.Tourdonnet, Stephane deSander, Bjoern OleWassmann, ReinerVan Mai, TrinhNeergaard, Andreas de[Mitigating CH4 and N2O emissions from intensive rice production systems in northern Vietnam: Efficiency of drainage patterns in combination with rice residue incorporation]Mitigating CH4 and N2O emissions from intensive rice production systems in northern Vietnam: Efficiency of drainage patterns in combination with rice residue incorporation

Bac Lieu is a coastal province the Mekong River Delta (MRD), Vietnam. Aside from salinity intrusion from the sea, the province is strongly affected by acidic pollution as 58% of the area (250,000 ha) is overlaid with acid sulphate soil (ASS). Previous studies showed that the eminent sea level ris...


Phong, N.D.Hoanh, Chu ThaiTuong, T.P.Wassmann, Reiner[Sea level rise effects on acidic pollution in a coastal acid sulphate soil area]Sea level rise effects on acidic pollution in a coastal acid sulphate soil area

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

Rice production systems are an important source of agricultural greenhouse gas (GHG) emissions. Mitigation techniques, such as alternate wetting and drying, have been developed but have often not taken into consideration the constraints imposed by the practices and preferences of farmers. Since G...


Tariq, Azeende Neergaard, AndreasJensen, Lars S.Sander, Bjoern OleTrinh, Mai VanVu, Quynh DuongWassmann, Reinerde Tourdonnet, Stephane[Co-design and assessment of mitigation practices in rice production systems: A case study in northern Vietnam]Co-design and assessment of mitigation practices in rice production systems: A case study in northern Vietnam
Bouman, B.Barker, RandolphHumphreys, E.Tuong, T.P.Atlin, GaryBennett, J.Dawe, D.Dittert, K.Dobermann, AchimFacon, T.Fujimoto, N.Gupta, R.Haefele, S.Hosen, Y.Ismail, A.Johnson, D.Johnson, S.Khan, S.Shan, L.Masih, IlyasMatsuno, Y.Pandey, S.Peng, S.Muthukumarisami, T.Wassmann, Reiner[Rice: feeding the billions]Rice: feeding the billions

This is an info note elaborating on a study of the International Rice Research Institute (IRRI) conducted by Vo et al. (2018) on methane emission from rice cultivation in different agro-ecological zones of the Mekong River Delta, focusing on seasonal patterns and emission factors for baseline wat...


Yen, Bui TanWassmann, ReinerSander, Bjoern Ole[Methane Emission Factors for Rice Production in the Mekong River Delta]Methane Emission Factors for Rice Production in the Mekong River Delta

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