Five tonnes of animal life can live in one hectare of soil.

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The International Union of Soil Sciences (IUSS) is the global union of soil scientists. The objectives of the IUSS are to promote all branches of soil science, and to support all soil scientists across the world in the pursuit of their activities. This website provides information for IUSS members and those interested in soil science.

Commission 3.3, Soil fertility and plant nutrition


Prof. Dr. Takashi Kosaki, Division 3 chair, and Dr. Toru Fujiwara, vice chair of Division 3.3: Soil fertility and plant nutrition


13th International Conference on the Biogeochemistry of Trace Element (ICOBTE)

When & Where

July 12-16, 2015; Fukuoka, Japan

Soil message

ICOBTE 2015 will include special sessions on trace element issues of particular relevance to Japan, including mercury and radioactive element contaminations. Many people are familiar with the Japanese history of mercury contamination and Minamata disease. The city of Minamata is located only 90 min (by train) from the conference centre and today Minamata is a model city of environmental and sustainable rejuvenation. After tragic earth quake and tsunami, a wide area of northern Japan was contaminated by radioactive contaminants from the nuclear accident at the Fukushima Daiichi nuclear power plant. ICOBTE 2015 will also include a special session on radioactive element contamination.