Bjoern Ole Sander

Bjoern Ole Sander
International Rice Research Institute | IRRI · Sustainable Impact Platform

PhD

About

99
Publications
42,717
Reads
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1,433
Citations
Additional affiliations
May 2018 - present
International Rice Research Institute
Position
  • Senior Researcher
February 2015 - April 2018
International Rice Research Institute
Position
  • Researcher
August 2014 - January 2015
International Rice Research Institute
Position
  • Consultant
Education
October 2006 - July 2008
Christian-Albrechts-Universität zu Kiel
Field of study
  • Business Administration
October 2005 - December 2008
Christian-Albrechts-Universität zu Kiel
Field of study
  • Bio-inorganic chemistry
October 2000 - July 2005

Publications

Publications (99)
Article
Full-text available
Worldwide, rice production contributes about 10% of total greenhouse gas (GHG) emissions from the agricultural sector, mainly due to CH4 emissions from continuously flooded fields. Alternate Wetting and Drying (AWD) is a promising crop technology for mitigating CH4 emissions and reducing the irrigation water currently being applied in many of the w...
Article
Rice production in Vietnam is characterized by environmental degradation, high greenhouse gas emissions, and low wage rates. The Sustainable Rice Platform (SRP) standard is the first globally recognized certified sustainable production standard for rice. There are efforts to increase sustainability in rice production, but little is known about cons...
Article
Full-text available
Greenhouse gas (GHG) emissions from agriculture sector play an important role for global warming and climate change. Thus, it is necessary to find out GHG emissions mitigation strategies from rice cultivation. The efficient management of nitrogen fertilizer using urea deep placement (UDP) and the use of the water-saving alternate wetting and drying...
Article
Full-text available
Overuse of seed and chemical inputs is a major constraint for sustainable rice production in Vietnam. In this study, two seasons of field trials were conducted to compare different crop establishment practices for rice production in the Mekong River Delta using environmental and economic sustainability performance indicators. The indicators includi...
Article
This study assesses the interactive nature of rice and climate change in the context of Myanmar, one of the largest rice-producing countries. In the first section, special emphasis is given to the current situation of Myanmar’s rice production as affected by climate change alongside with possible adaptation strategies. Since only a small share (23....
Article
In this study, we developed user-friendly software (CF-Rice) for calculating the carbon footprints (CF) of rice products. The approach follows the principles of Life Cycle Assessment while incorporating more flexibility for activities specific to rice production. The graphical user interface provides empirical emission and conversion factors obtain...
Article
Full-text available
As with other sectors of the economy, agriculture should also contribute to meeting countries’ emission reduction targets. Transformation of agriculture to low-carbon food systems requires much larger investments in low emission development options from global climate finance, domestic budgets, and the private sector. Innovative financing mechanism...
Preprint
Full-text available
Overuse of seed and chemical inputs is a major constraint for sustainable rice production in Vietnam. In this study, two seasons of field trials were conducted to compare different crop establishment practices for rice production in the Mekong River Delta using environmental and economic sustainability performance indicators. The indicators includi...
Article
Full-text available
Vietnam is supportive of the transition to sustainable rice production in the Mekong Delta. The national program promoted best management practices for rice production through “1 Must Do and 5 Reductions” (1M5R). This review traces the technological development and uptake of 1M5R in national policies and by end-users. We highlight the outcomes from...
Preprint
Full-text available
The agriculture sector contributes significantly to national greenhouse gas emissions in developing countries. Rice is a major contributor to methane emissions in Asia and many countries have recognized the potential to reduce emissions by including rice in their nationally determined contributions. This guide serves to bridge the gap in knowledge...
Preprint
This article provides a comprehensive institutional analysis to better understand the key conditions and incentives relevant for the uptake of alternate wetting and drying (AWD) – a climate-smart irrigation practice in Bangladesh. Practicing AWD in rice production can reduce water consumption by 30% and mitigate methane emissions by 30-70% without...
Chapter
Climate change will have a largely detrimental impact on the agricultural sector. Reduced yields will lead to greater food insecurity and a rise in food prices. In response, researchers develop agricultural technologies and practices, collectively-known as climate-smart agriculture (CSA). Scaling or large-scale farmer uptake of CSA is often seen as...
Article
Full-text available
Rice production systems are the largest anthropogenic wetlands on earth and feed more than half of the world's population. However, they are also a major source of global anthropogenic greenhouse gas (GHG) emissions. Several agronomic strategies have been proposed to improve water-use efficiency and reduce GHG emissions. The aim of this study was t...
Article
Full-text available
The alternate wetting and drying (AWD) watermanagement technique has been identified as one of the most promising options for mitigating methane (CH4) emissions from rice cultivation. By its nature, however, this option is limited only to paddy fields where farmers have sustained access to irrigation water. In addition, large amounts of rainfall of...
Article
Full-text available
Reducing methane (CH4) emission from paddy rice production is an important target for many Asian countries in order to comply with their climate policy commitments. National greenhouse gas (GHG) inventory approaches like the Tier-2 approach of the Intergovernmental Panel on Climate Change (IPCC) are useful to assess country-scale emissions from the...
Article
Full-text available
Rice production is a significant source of greenhouse gas (GHG) emissions in the national budget of many Asian countries, but the extent of emissions varies strongly across agro-environmental zones. It is important to understand these differences in order to improve the national GHG inventory and effectively target mitigation options. This study pr...
Preprint
Full-text available
Global rice production systems face two opposing challenges: the need to increase production to accommodate the world's growing population while simultaneously reducing greenhouse gas (GHG) emissions. Adaptations to drainage regimes are one of the most promising options for methane mitigation in rice production. Whereas several studies have focused...
Preprint
Full-text available
Flooded rice production is crucial to global food security, but there are associated environmental concerns. In particular, it is a significant source of methane and nitrous oxide emissions and a large consumer of water resources, while arsenic, cadmium and lead levels in the grain are a serious health concern. There is also a tendency to use more...
Article
Full-text available
Flooded rice production is crucial to global food security, but there are associated environmental concerns. In particular, it is a significant source of methane (CH4) and nitrous oxide (N2O) emissions and a large consumer of water resources, while arsenic levels in the grain are a serious health concern. There is also a tendency to use more organi...
Article
Full-text available
Rice farmers in the Mekong Delta are not only experiencing challenges due to climate change but are also expected to increase production through sustainable intensification. Increased production and mechanization, such as using combine harvesters leave farmers with more rice straw in the field, which farmers often choose to burn resulting in advers...
Article
Full-text available
This paper examines how rice farmers at all gender and ages perceive climate change and adopt Climate Smart Agriculture (CSA) technologies to enhance resilience and adaptation in three sub-regions of Vietnam. Impacts on livelihoods resilience, workloads of left behind family members, gender roles and responsibilities are also assessed. Using data f...
Article
Full-text available
Climate change will continue to have a largely detrimental impact on the agricultural sector worldwide because of predicted rising temperatures, variable rainfall, and an increase in extreme weather events. Reduced crop yields will lead to higher food prices and increased hardship for low income populations, especially in urban areas. Action on cli...
Chapter
Full-text available
Lowland rice is a significant source of anthropogenic greenhouse gas emissions (GHGEs) and the primary source of agricultural emissions for many developing countries in Asia. At the same time, rice soils represent one of the largest global soil organic carbon sinks. Straw management is a key factor in controlling the emissions and mitigation potent...
Article
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 aims to examine the determinants of farmers’ adoption...
Article
Full-text available
The research provided scientific evidences for improved rice straw management. Rice cultivation with in-field burning of rice straw is the worst option with the lowest energy efficiency and highest air pollution emission. This article comprises a comparative assessment of energy efficiency and the environmental footprint of rice production using fo...
Article
This study unravels the implications of outmigration for farm labour availability, managerial feminization, women's agency, and farm production. Findings suggest that migration contributes to increased off-farm income, with higher income from international migration. While men's labour contribution declines in migrant households, women's labour inc...
Technical Report
https://hdl.handle.net/10568/103815 Participatory research allows groups and individuals to reflect and decide on their societal issues together. Such research was employed in Tra Hat Climate-Smart Village (CSV) in Vietnam to see if specific climate-smart agriculture (CSA) techniques could be adopted in the village. In line with the adoptability o...
Technical Report
https://hdl.handle.net/10568/103814 This paper presents the results of key informant interviews conducted in Tra Hat Climate-Smart Village (CSV) in Vietnam. The interviews aimed to further assess the climate-smart agriculture (CSA) practices that farmers wanted to adopt on their farms, as well as the factors and barriers for adoption. Results of t...
Technical Report
https://ccafs.cgiar.org/publications/diverse-benefits-alternate-wetting-and-drying-awd Rice is a staple for half the world's population, thus its impact on land and water use is immense. Standard production practices using continuous flooding (CF) are resource intensive and contribute significant global methane emissions. The technique of alternat...
Article
The production of irrigated rice is increasingly challenged by freshwater scarcity. Water saving technologies such as Alternate Wetting and Drying (AWD) allow sustaining production levels under reduced water availability. Before implementing such innovations on a large scale, their hydrological impact on the system needs to be assessed. This study...
Article
Full-text available
The processes countries use to revise their Nationally Determined Contributions (NDCs) under the UNFCCC's Paris Agreement will be key to ensure that their pledges lead to effective climate change policy. In many developing countries, the agriculture, forestry and other land use (AFOLU) sector is central to their NDCs. For this study, a marginal aba...
Article
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. These three pillars as such, however, do not suffice fo...
Article
Full-text available
The new GHG calculator named SECTOR (Source-selective and Emission-adjusted GHG CalculaTOR for Cropland) is based on the IPCC Tier 2 approach for rice as well as other crops. The new features of SECTOR facilitate high flexibility in terms of entering newly obtained emission factors, easy data transfer from crop statistics for entering activity data...
Article
Full-text available
As scientists working at the International Rice Research Institute and other institutions that have investigated greenhouse gas emissions from rice fields, we read the recent article in PNAS by Kritee et al. (1) with great interest. The observed N2O emissions from rice fields in South India including previously unknown high rates definitely constit...
Technical Report
Methane (CH4) is a major greenhouse gas (GHG), which accounts for 16% of the global GHG effect. In the agriculture sector, rice cultivation substantially contributes 10% of all anthropogenic CH4 emissions, thus the importance of determining the variables that influence and/or control CH4 production in rice fields. Over the last decades, various st...
Article
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 crops (dry to wet season transition and wet to dry season...
Article
Full-text available
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 (raw data in 10 Hz frequency have been aggregated to...
Article
Full-text available
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 bio-physical conditions and cropping cycles that will a...
Article
Reducing greenhouse gas (GHG) emissions from agriculture is needed to meet global climate policy targets. A number of lowemission development (LED) options exist in agriculture, which globally emits 10–12% of GHG emissions. In paddy rice production, alternative wetting and drying (AWD) can reduce emissions by up to 48%. Co-benefits of AWD include l...
Article
Full-text available
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 possible adoption. The field experiments were conducted for two continuous rice-growing seasons in northern Vietnam, to evaluate the e...
Article
Full-text available
Global rice production systems face two opposing challenges: the need to increase production to accommodate the world's growing population while simultaneously reducing greenhouse gas (GHG) emissions. Adaptations to drainage regimes are one of the most promising options for methane mitigation in rice production. Whereas several studies have focused...
Article
Full-text available
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 article describes how a model for climatic AWD suitab...
Article
The diel variation in methane (CH4) flux from irrigated rice was characterized during the dry and wet cropping seasons in 2013 and 2014 using the eddy covariance (EC) technique. The EC technique has the advantage of obtaining measurements of fluxes at an extremely high temporal resolution (10Hz), meaning it records 36,000 measurements per hour. The...
Chapter
This study comprises greenhouse gas (GHG) emission measurements on rice fields in the Vu Gia/Thu Bon Basin in Central Vietnam , as part of an interdisciplinary research project. The experiments were conducted in the delta lowland (DL) and hilly midland (HM), over three seasons (summer–autumn in 2011 and 2012; winter–spring season in 2012) with two...
Conference Paper
Full-text available
Mid-season drainage in flooded rice is known to reduce CH4 emission, while effects on N2O emission are more variable. Banning of crop-residue burning, and growing markets for organically fertilized rice, are resulting in systems with larger reactive C input, and potentially larger methane emissions. Tight farming systems with 2 or 3 annual crops ar...