The Institute for Agro-Environmental Sciences, NARO (NIAES) is the core institute of the National Agriculture and Food Research Organization (NARO) which emphasizes basic studies and research meant to ensure the safety of agricultural production environments. Research focuses on assessing risk in agricultural environments and developing risk management technologies, elucidating the structure of agricultural ecosystems in order to develop technologies to manage natural cycles, and fundamental studies to help elucidate the functions of agricultural ecosystems.
Global scale estimation of crop production loss due to global warming
NARO, in collaboration with the National Institute for Environmental Studies and the Japan Meteorological Agency/Meteorological Research Institute evaluated the impact of the global warming on the average yield (production per unit area) of major crops over the past 30 years (1981 - 2010) at the global scale. It was estimated that the global average yield of maize, wheat and soybean decreased by 4.1%, 1.8% and 4.5% respectively by global warming. In terms of monetary value, damage of maize, wheat and soybean was estimated to be 22.3 billion United States dollars ($), 13.6 billion $, 6.5 billion $ respectively. The total annual damage caused by global warming in recent years was 42.4 billion $. This result indicates the urgent demand to develop and disseminate adaptation measures for global warming to avoid further crop production loss in future.Read More
International Symposium on Nitrogen Cycling and Its Environmental Impacts in East Asia
The NARO-MARCO International Symposium on "Nitrogen Cycling and Its Environmental Impacts in East Asia" was organized by the Institute for Agro-Environmental Sciences, NARO (NIAES) at the International Congress Center (Epochal), Tsukuba on November 19-22, 2018. The symposium was aimed at addressing various issues associated with the excessive use of anthropogenic reactive nitrogen and the development of appropriate management systems in the East Asia region. The keynote speakers included Prof. Wilfried Winiwarter (International Institute for Applied Systems Analysis, Austria), Prof. Xiaoyuan Yan (Nanjing Institute of Soil Science, China) and Prof. Timothy Jickells (University of East Anglia, UK). The symposium also included 20 oral presentations, poster sessions, and a scientific excursion on the 4th day. Symposium website here.
Tsukuba Chibikko Hakase 2018
The Institute for Agro-Environmental Sciences, NARO is organizing the following programs and events in conjunction with the Tsukuba Chibikko Hakase 2018: (1) Insect collection class, (2) Summer Open Day, (3) Let's look under the soil surface, (4) Soil and Insect Inventory Exhibition. Tsukuba Chibikko Hakase is a stamp-collecting rally where children visit research institutions, experience exhibitions and various events in each institute, and have a special passport stamped. Read more.
Simulation models for evaluation of optimal pesticide management strategy
Simulation models were used to evaluate whether the application of multiple pesticides within the generation or in alternating generations is the optimal management strategy to retard the appearance of insecticide-resistant insect pests. A series of simulations involving multiple insecticides, mating behavior of insect pest accompanying migration, and the timing of exposure to insecticides showed that application within generation is often more effective in delaying the development of resistance. Currently, verification experiments are being conducted to determine whether the simulation results are actually effective in the field. It is expected that this study will contribute to the usage standard of pesticides that delays longer and more effectively the resistance of insect pests to the existing or coming active components.Read more.
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