K. Kohyama

发表

Developing a management-oriented simulation model of pesticide emissions for use in the life cycle assessment of paddy rice cultivation.

M. Birkved, S. Bruun, K. Hayashi, 2020, The Science of the total environment.

Recent trends in phosphate balance nationally and by region in Japan

S. Mishima, K. Kohyama, A. Endo, 2009, Nutrient Cycling in Agroecosystems.

Relationship between nitrogen and phosphate surplus from agricultural production and river water quality in two types of production structure

S. Mishima, K. Kohyama, S. Taniguchi, 2007 .

Monitoring of Radiocesium contamination in farmland soil in eastern Japan

K. Kohyama, Y. Takata, 2014 .

Radiocesium interception potential of agricultural soils in northeast Japan

K. Kohyama, N. Yamaguchi, Y. Takata, 2017 .

Developing characterization factors to quantify management impacts on soil quality of paddy fields within life cycle assessment

K. Hayashi, Longlong Tang, K. Kohyama, 2019, Journal of Cleaner Production.

Effects of horse grazing on plant species richness and abundance of Iris setosa in a boreal semi‐natural grassland, Japan

H. Hayashi, K. Kohyama, A. Shoji, 2011 .

Environmental impacts of local food production in Japan and changes needed for future sustainability.

S. Mishima, K. Kohyama, 2011 .

Change in soil carbon in response to organic amendments in orchards and tea gardens in Japan

K. Yagi, A. Leon, K. Kohyama, 2015 .

Nitrogen and phosphate balance on crop production in Japan on national and prefectural scales

S. Mishima, K. Kohyama, A. Endo, 2010, Nutrient Cycling in Agroecosystems.

Phosphate adsorption coefficient can improve the validity of RothC model for Andosols

K. Kohyama, Y. Takata, Y. Shirato, 2011 .

Major Soil Types

K. Kohyama, M. Kawahigashi, K. Fujii, 2021, World Soils Book Series.

Soil carbon stock in typical grasslands in Japan

S. Itano, K. Kohyama, M. Tsutsumi, 2009 .

Estimating nitrogen and phosphorus losses from lowland paddy rice fields during cropping seasons and its application for life cycle assessment

A. Leon, K. Kohyama, 2017 .

Modeling nitrate leaching on a cropped Andosol

S. Mishima, K. Kohyama, A. Endo, 2009, Nutrient Cycling in Agroecosystems.

Multiple factors drive regional agricultural abandonment.

Takeshi Osawa, Hiromune Mitsuhashi, Kazunori Kohyama, 2016, The Science of the total environment.

Response of hydrological processes to climate and land use changes in Hiso River watershed, Fukushima, Japan

R. Hatano, S. Eguchi, Chunying Wang, 2021 .

Areas of Increasing Agricultural Abandonment Overlap the Distribution of Previously Common, Currently Threatened Plant Species

T. Osawa, K. Kohyama, H. Mitsuhashi, 2013, PloS one.

Reconciling Life Cycle Environmental Impacts with Ecosystem Services: A Management Perspective on Agricultural Land Use

Kiyotada Hayashi, Kazunori Kohyama, K. Hayashi, 2018 .

Seasonal carbon dynamics and the effects of manure application on carbon budget of a managed grassland in a temperate, humid region in Japan

A. Miyata, R. Hatano, M. Mano, 2014 .

Soil carbon stock changes due to afforestation in Japan by the paired sampling method on an equivalent mass basis

S. Kaneko, K. Tsuruta, Eriko Ito, 2021, Biogeochemistry.

Assessing changes in soil carbon stocks after land use conversion from forest land to agricultural land in Japan

S. Kaneko, K. Tsuruta, Eriko Ito, 2020 .

Outline of the Comprehensive Soil Classification System of Japan ? First Approximation

Kazunori Kohyama, Hiroshi Obara, Yuji Maejima, 2012 .

Nitrate percolation and discharge in cropped Andosols and Gray lowland soils of Japan

S. Mishima, K. Kohyama, A. Endo, 2012, Nutrient Cycling in Agroecosystems.

Influence of Agricultural Activity on Nitrogen Budget in Chinese and Japanese Watersheds

Xiaoyuan Yan, Chaopu Ti, Kazunori Kohyama, 2012 .

New Soil Maps of Japan based on the Comprehensive Soil Classification System of Japan – First Approximation and its Application to the World Reference Base for Soil Resources 2006

K. Kohyama, Y. Maejima, Y. Takata, 2018, Japan Agricultural Research Quarterly: JARQ.

Long-Term Change in the Application Rate of On-Farm Organic Amendments in Japanese Upland Fields

A. Leon, K. Kohyama, Y. Takata, 2013 .

The database and the methodologies to estimate recent trend of nitrogen (N) and phosphate (P) flows and residual N and P in Japanese national prefectural scales and examples their application.

S. Mishima, K. Kohyama, 2010 .

Estimation of the amount of nutrients in livestock manure

K. Kohyama, S. Matsuura, H. Sasaki, 2006 .

Recent trend in residual nitrogen on national and regional scales in Japan and its relation with groundwater quality

S. Mishima, K. Kohyama, A. Endo, 2008, Nutrient Cycling in Agroecosystems.

Calculation of SS, TN and TP Specific Concentration Factors for Land-Use Types Using a Simple Watershed Model

K. Kohyama, S. Yoshikawa, Y. Itoh, 2019, Journal of Sustainable Development.

Factors controlling organic amendment application rate and long-term change in application rate in Japanese paddy field using longitudinal questionnaire survey dataset (the Basic Soil Environment Monitoring Project, Stationary Monitoring, 1979–1998)

A. Leon, S. Mishima, K. Kohyama, 2012 .

The effects of current water management practices on methane emissions in Japanese rice cultivation

K. Yagi, A. Leon, K. Kohyama, 2015, Mitigation and Adaptation Strategies for Global Change.

Organic carbon stocks in grassland soils and their spatial distribution in Japan

K. Kohyama, S. Matsuura, H. Sasaki, 2012 .

Trade-off relationship between modern agriculture and biodiversity: Heavy consolidation work has a long-term negative impact on plant species diversity

T. Osawa, K. Kohyama, H. Mitsuhashi, 2016 .

Multiple factors drive regional agricultural abandonment.

T. Osawa, K. Kohyama, H. Mitsuhashi, 2016, The Science of the total environment.

Process of the decline in the cultivated soil area with land use changes in Japan.

M. Nakai, K. Kohyama, Y. Takata, 2011 .