N. Koga

发表

Assessing energy efficiencies and greenhouse gas emissions under bioethanol-oriented paddy rice production in northern Japan.

R. Tajima, N. Koga, 2011, Journal of environmental management.

Life cycle inventory-based analysis of greenhouse gas emissions from arable land farming systems in Hokkaido, northern Japan

N. Koga, H. Tsuruta, T. Sawamoto, 2006 .

N2O emission and CH4 uptake in arable fields managed under conventional and reduced tillage cropping systems in northern Japan

K. Yagi, N. Koga, H. Tsuruta, 2004 .

Bacterial Community Shift in Field Soil Caused by Annual Application of Liquid Livestock Feces

N. Koga, H. Niimi, Katsuji Watanabe, 2006 .

Effects of reduced tillage, crop residue management and manure application practices on crop yields and soil carbon sequestration on an Andisol in northern Japan

N. Koga, H. Tsuji, 2009 .

Accumulation of nitrous oxide and depletion of oxygen in seasonally frozen soils in northern Japan — Snow cover manipulation experiments

Y. Iwata, N. Koga, O. Nagata, 2011 .

Limited ammonia volatilization loss from upland fields of Andosols following fertilizer applications

K. Hayashi, N. Koga, N. Fueki, 2011 .

Differences in CO2 and N2O emission rates following crop residue incorporation with or without field burning: A case study of adzuki bean residue and wheat straw

K. Hayashi, N. Koga, S. Shimoda, 2016 .

Soil greenhouse gas emissions from an animal excrement-based forage cropping system

H. Ihara, Sohei Kobayashi, N. Koga, 2022, Nutrient Cycling in Agroecosystems.

Tillage, fertilizer type, and plant residue input impacts on soil carbon sequestration rates on a Japanese Andosol

N. Koga, 2017 .

Identification of organic forms of nitrogen in soils and possible direct uptake by plants

S. Matsumoto, N. Ae, N. Koga, 2001 .

Use of a Microchip Electrophoresis System for Estimation of Bacterial Phylogeny and Analysis of NO3 − Reducing Bacterial Flora in Field Soils

N. Koga, Katsuji Watanabe, 2009, Bioscience, biotechnology, and biochemistry.

Energy efficiency of potato production practices for bioethanol feedstock in northern Japan.

N. Koga, S. Tsuda, S. Tamiya, 2013 .

An energy balance under a conventional crop rotation system in northern Japan : Perspectives on fuel ethanol production from sugar beet

N. Koga, 2008 .

Fuel consumption-derived CO2 emissions under conventional and reduced tillage cropping systems in northern Japan

Hiroshi Nakano, Hiroyuki Tsuji, Haruo Tsuruta, 2003 .

Newly developed system based on multiple enzyme restriction fragment length polymorphism – an application to proteolytic bacterial flora analysis

N. Koga, Katsuji Watanabe, M. Okuda, 2008 .

Carbon skeletons for amide synthesis during ammonium nutrition in tomato and wheat roots

N. Koga, M. Ikeda, Takeshi Kusano, 2004 .

Enhancement of glucose utilization in provision of carbon skeletons for ammonium assimilation in wheat roots.

N. Koga, M. Ikeda, 2000 .

Responses to nitrogen sources and regulatory properties of root phosphoenolpyruvate carboxylase

N. Koga, M. Ikeda, 1997 .

Nitrous oxide emissions under a four-year crop rotation system in northern Japan: impacts of reduced tillage, composted cattle manure application and increased plant residue input

N. Koga, 2013 .

Evaluation of the mineralizable organic nitrogen in soil using an immunological technique

S. Matsumoto, N. Ae, N. Koga, 2008, Biology and Fertility of Soils.

Potential agronomic options for energy‐efficient sugar beet‐based bioethanol production in northern Japan

Sohei Kobayashi, N. Koga, K. Okazaki, 2009 .

Rapid change in soil C storage associated with vegetation recovery after cessation of cultivation

N. Koga, S. Shimoda, 2013 .

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 .

Estimating net primary production and annual plant carbon inputs, and modelling future changes in soil carbon stocks in arable farmlands of northern Japan

J. Yeluripati, Pete Smith, S. Kimura, 2011 .

Kyushu and Okinawa Regions

H. Ihara, Y. Saeki, N. Koga, 2021 .

Snow cover manipulation in agricultural fields: as an option for mitigating greenhouse gas emissions

Y. Iwata, N. Koga, O. Nagata, 2014, Ecological Research.

Biochar Impacts on Crop Productivity and Greenhouse Gas Emissions from an Andosol.

Y. Iwata, N. Koga, S. Shimoda, 2017, Journal of environmental quality.