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Toru Hamamoto

Section

Graduate School of Agricultural Science

Job title

Assistant Professor

Degree

PhD (Hokkaido University)

researchmap

https://researchmap.jp/t.hama

J-GLOBAL ID

202001005416375028

e-Rad No.

80877100

ORCID

https://orcid.org/0000-0002-9954-001X

Researcher ID

AAP-5119-2020

Profile

https://hamamotoru.wixsite.com/mysite

Research History 5

2024/02 - Present

Tohoku University
2021/08 - Present

Tohoku University　Graduate School of Agricultural Science
2020/04 - 2021/07

Tottori University　Arid Land Research Center
2018/04 - 2020/03

Japan Society for the Promotion of Science
2017 - 2018

IITA-Zambia　Southern Africa Research and Administration Hub　Researcher

Education 1

Hokkaido University　Graduate School of Agriculture

2017/03 - 2020/03

Committee Memberships 2

日本ペドロジー学会　ペドロジスト編集委員

2024 - Present
日本土壌肥料学会　大会運営委員

2025/10 - 2026/09

Professional Memberships 2

日本土壌微生物学会
日本土壌肥料学会

Research Interests 3

soil carbon
soil microbes
Soil fertility

Research Areas 2

Environmental science/Agricultural science / Environmental agriculture /
Life sciences / Plant nutrition, soil science /

Awards 3

若手口頭発表優秀賞

2025/09　日本土壌肥料学会2025年度新潟大会　土壌微生物の貯蔵炭素化合物の抽出・測定方法の検討
プロミネントリサーチフェロー

2024/02　東北大学
若手口頭発表優秀賞

2023/09　日本土壌肥料学会2023年度愛媛大会　水田土壌の硫黄肥沃度評価に関する重金属と可給態Sの関連解明

Papers 17

Species-specific glucose mineralization in artificial soil: insights from Bacillus subtilis and Streptomyces cinnamoneus mono- and co-cultures

Kanade Fujiwara, Tomoyuki Makino, Toru Hamamoto

Microbiology Spectrum　2026/07/07

DOI： 10.1128/spectrum.00605-26 　
Differential Responses of Soil Prokaryotic and Fungal Communities to Forest Conversion in Two Contrasting Zambian Soils

Toru Hamamoto, Chikae Tatsumi, Nhamo Nhamo, Ikabongo Mukumbuta, David Chikoye, Yoshitaka Uchida

Soil Use and Management　2026/07

DOI： 10.1111/sum.70287 　
Effects of phosphorus fertilization on microbial carbon use efficiency and soil organic matter decomposition in non-allophanic Andosols

Toru HAMAMOTO

FRONTIERS IN MICROBIOLOGY　2026

DOI： 10.3389/FMICB.2026.1851008 　
Effects of Wood Ash Fertilizer on Element Dynamics in Soil Solution and Crop Uptake Peer-reviewed

Chuanzhen Jian, Toru Hamamoto, Chihiro Inoue, Mei-Fang Chien, Hiroshi Naganuma, Takehito Mori, Akihiro Sawada, Masafumi Hidaka, Hiroyuki Setoyama, Tomoyuki Makino

Agronomy　2025/04/30

DOI： 10.3390/agronomy15051097 　
Long-term P fertilization influences microbial carbon use efficiency and soil organic matter decomposition in non-allophanic Andosols

Wako Koizumi, Timothy J Clough, Soichi Kojima, Tomoyuki Makino, Soh Sugihara, Yoshitaka Uchida, Toru Hamamoto

2025/04/29

DOI： 10.1101/2025.04.29.651165 　
Artificial soil systems: A tool for investigating microbial life strategy effects on substrate mineralization

Kanade Fujiwara, Tomoyuki Makino, Toru Hamamoto

2025/04/04

DOI： 10.1101/2025.04.04.647204 　
Effects of organic amendments on crop production and soil fauna community in contrasting Zambian soils Peer-reviewed

Toru Hamamoto, Nhamo Nhamo, David Chikoye, Ikabongo Mukumbuta, Yoshitaka Uchida

Journal of Sustainable Agriculture and Environment　2024/09

DOI： 10.1002/sae2.12120 　
パンツを喰らう，土の小さき者たち

濱本亨

生物工学会誌　101　(6)　311-311　2023/06/25
Publisher: 公益社団法人日本生物工学会
DOI： 10.34565/seibutsukogaku.101.6_311 　

ISSN： 0919-3758

eISSN： 2435-8630
Abiotic and biotic factors controlling the dynamics of soil respiration in a coastal dune ecosystem in western Japan Peer-reviewed

Munemasa Teramoto, Toru Hamamoto, Naishen Liang, Takeshi Taniguchi, Takehiko Y. Ito, Richa Hu, Norikazu Yamanaka

SCIENTIFIC REPORTS　12　(1)　2022/08

DOI： 10.1038/s41598-022-17787-8 　

ISSN： 2045-2322
The changes in the chemical forms of thallium, cobalt and manganese with air-drying of soils Peer-reviewed

Takahiko Narukawa, Tomoyuki Makino, Hitoshi Kanno, Toru Hamamoto, Kazuhiko Kimura, Shin-Ichi Yamasaki

SOIL SCIENCE AND PLANT NUTRITION　68　(4)　429-433　2022/07/05

DOI： 10.1080/00380768.2022.2095529 　

ISSN： 0038-0768

eISSN： 1747-0765
Responses of CO2 emissions and soil microbial community structures to organic amendment in two contrasting soils in Zambia Peer-reviewed

Toru Hamamoto, Nhamo Nhamo, David Chikoye, Ikabongo Mukumbuta, Yoshitaka Uchida

SCIENTIFIC REPORTS　12　(1)　2022/04

DOI： 10.1038/s41598-022-10368-9 　

ISSN： 2045-2322
Effects of short-term freezing on nitrous oxide emissions and enzyme activities in a grazed pasture soil after bovine-urine application Peer-reviewed

Toru Hamamoto, Yoshitaka Uchida, Isabell von Rein, Ikabongo Mukumbuta

SCIENCE OF THE TOTAL ENVIRONMENT　740　140006-140006　2020/10

DOI： 10.1016/j.scitotenv.2020.140006 　

ISSN： 0048-9697

eISSN： 1879-1026
The Role of Different Earthworm Species (Metaphire Hilgendorfi and Eisenia Fetida) on CO2 Emissions and Microbial Biomass during Barley Decomposition Peer-reviewed

Toru Hamamoto, Yoshitaka Uchida

SUSTAINABILITY　11　(23)　2019/12

DOI： 10.3390/su11236544 　

ISSN： 2071-1050

eISSN： 2071-1050
Changes in Denitrification Potentials and Riverbank Soil Bacterial Structures along Shibetsu River, Japan Peer-reviewed

Yoshitaka Uchida, Hirosato Mogi, Toru Hamamoto, Miwako Nagane, Misato Toda, Moe Shimotsuma, Yui Yoshii, Yuto Maeda, Miyuki Oka

Applied and Environmental Soil Science　2018/06/26

DOI： 10.1155/2018/2530946 　
Small-Scale Variability in the Soil Microbial Community Structure in a Semideveloped Farm in Zambia Peer-reviewed

Toru Hamamoto, Meki Chirwa, Imasiku Nyambe, Yoshitaka Uchida

Applied and Environmental Soil Science　2018　1-6　2018
Publisher: Hindawi Limited
DOI： 10.1155/2018/7939123 　
Multidisciplinary field research in Kabwe, Zambia, towards better understanding of lead contamination of the city - A short report from a field survey

Yoshitaka Uchida, Kawawa Banda, Imasiku Nyambe, Toru Hamamoto, Yui Yoshii, Kabenuka Munthali, Mukuka Mwansa, Moses Mukuka, Mubanga Mutale, John Yabe, Haruya Toyomaki, Yohannes Yared Beyene, Shouta M., M. Nakayama, Nobuyasu Naruse, Mayumi Ishizuka, Yukihiro Takahashi

2017/01/12
Publisher: Cold Spring Harbor Laboratory
DOI： 10.1101/096164 　

More details Close

<jats:title>Abstract</jats:title><jats:p>Heavy metal contamination is a serious issue in many post-mining regions around the world. Kabwe town, Zambia, is known as one of the most polluted cities in the world, where high lead (Pb) levels have been reported in soils, plants, animals and human blood. Multidisciplinary approaches are critically needed to understand the current situation and to remediate the polluted area. In the current research, a large-scale preliminary field survey was performed to understand the current situation in Kabwe and to plan future mitigation approaches. Three aspects were mainly observed; 1) plant communities during the dry season in Kabwe city, 2) spectral images of the land surfaces in various locations in Kabwe and 3) Pb concentrations in soils and water. Overall, >15 different plant species were observed and many of them maintained their green colour even during the dry season. Some tree species, for example, <jats:italic>Caesalpiniaceae</jats:italic> and <jats:italic>Fabaceae</jats:italic> families may be utilised as phytostabilization approaches although their impacts on the soil Pb mobility should be further studied. For the spectral images, we used a handmade portable spectrometer, and our obtained spectral images showed typical curves observed from soils. These data may be used to understand the distribution of different soil types in this area, using aboveground images such as satellite images. For Pb concentrations in soils, extremely high total Pb levels (>1,000 ppm) was observed only within 2 km from the mining site. There was a weak but a positive correlation between the total and soluble Pb thus further study should also focus on the mobility of Pb from soils to plant ecosystems.</jats:p>
Sodium contents in dairy cow urine and soil aggregate sizes influence the amount of nitrogen lost from soil Peer-reviewed

Hamamoto, T., Uchida, Y.

Applied and Environmental Soil Science　2015　2015/11/12

DOI： 10.1155/2015/275985 　

ISSN： 1687-7675 1687-7667

Show all ︎Show first 5

Misc. 43

Applicability assessment of CSA in South Africa and Botswana based on satellite data 1. Data analysis for the North West Province of South Africa

Onodera Gaku, Toru Hamamoto, Tomoyuki Makino, Ryosuke Tajima, Bello Zaid Adekunle, Bitsang Vilakazi Mooketsi, Kenabatho Piet Kebuang, Myeni Lindumusa, Koki Homma, Moeletsi Mokhele, Mitsuru Tubo

Abstracts of Meeting of the CSSJ　260　68-68　2025/09/21
Publisher: CROP SCIENCE SOCIETY OF JAPAN
DOI： 10.14829/jcsproc.260.0_68 　
19 土壌へのバーク燃焼灰の施用が各種元素の動態に及ぼす影響（東北支部講演会）

澤田晃宏, 吉澤俊明, 菅伝真, 長沼宏, 大堀裕輝, 山崎慎一, 中田均, 牧野知之, 濱本亨

日本土壌肥料学会講演要旨集　71　256-256　2025/09/08
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.71.0_256_1 　

ISSN： 0288-5840

eISSN： 2424-0575
6-2-9 環境と調和のとれた持続的生産体系が土壌動物・微生物バイオマスおよび団粒構造に与える影響（6-2 畑地土壌肥沃度 2025年度新潟大会）

渡辺響太, 渡邊芳倫, 金子信博, 杉原創, 南谷幸雄, 小松崎将一, 濱本亨, 牧野知之

日本土壌肥料学会講演要旨集　71　101-101　2025/09/08
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.71.0_101_3 　

ISSN： 0288-5840

eISSN： 2424-0575
3-1-1 土壌微生物の貯蔵炭素化合物の抽出・測定方法の検討（3-1 土壌生物の生態と機能 2025年度新潟大会）

十亀良輔, 杉原創, 丸山隼人, 和崎淳, 牧野知之, 濱本亨, 宮澤大樹, 小泉和心

日本土壌肥料学会講演要旨集　71　27-27　2025/09/08
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.71.0_27_1 　

ISSN： 0288-5840

eISSN： 2424-0575
8-1-5 特性の異なるケイ酸資材による玄米中As低減効果の比較とメカニズム解析（8-1 環境保全 2025年度新潟大会）

濱本亨, 山崎慎一, 中田均, 牧野知之, 柴田隼太郎

日本土壌肥料学会講演要旨集　71　144-144　2025/09/08
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.71.0_144_2 　

ISSN： 0288-5840

eISSN： 2424-0575
8-1-14 Arsenic Accumulation in the Geochemical Barrier Layer in Long-Term Paddy Cultivated Soil: Role of Water Transport and Iron–Manganese Mineral Accumulation （8-1 環境保全 2025年度新潟大会）

霜野七鳳, 濱本亨, 伊藤嘉紀, 牧野知之

日本土壌肥料学会講演要旨集　71　147-147　2025/09/08
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.71.0_147_2 　

ISSN： 0288-5840

eISSN： 2424-0575
6-1-3 Research on the Resource Recycling of Wood Biomass Ash

森岳人, 長沼宏, 牧野知之, 濱本亨, JIAN Chuanzhen, 井上千弘, 渡邉則昭, CHIEN Mei-Fang, WANG Jiajie

日本エネルギー学会大会講演要旨集(Web)　34　2025

ISSN： 2423-8325
P5-2-5 酵素化学量論から見た長期不耕起及びカバークロップの導入が土壌微生物と有機炭素に及ぼす影響（5-2 土地分類利用・景域評価 2024年度福岡大会）

郭芳欣, 井田安澄, 久富早織, 杉原創, 矢内純太, 濱本亨, 小松崎将一, 田中治夫

日本土壌肥料学会講演要旨集　70　88-88　2024/08/26
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.70.0_88_3 　

ISSN： 0288-5840

eISSN： 2424-0575
18 無機および有機資材の長期連用水田における土壌溶液中の元素動態（東北支部講演会）

新谷紗也, 後藤世音, 濱本亨, 岡田典晃, 松田晃, 程為国, 山崎慎一, 牧野知之

日本土壌肥料学会講演要旨集　70　248-248　2024/08/26
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.70.0_248_3 　

ISSN： 0288-5840

eISSN： 2424-0575
6-2-11 日本の黒ボク土畑における保全型農業が土壌微生物の群集と機能に与える影響の解明（6-2 畑地土壌肥沃度 2024年度福岡大会）

久富早織, 郭芳欣, 井田安澄, 濱本亨, 小松崎将一, 田中治夫, 杉原創

日本土壌肥料学会講演要旨集　70　106-106　2024/08/26
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.70.0_106_2 　

ISSN： 0288-5840

eISSN： 2424-0575
5-2-4 非アロフェン質黒ボク土におけるリン利用性が土壌微生物の炭素利用に及ぼす影響の解明（5-2 土地分類利用・景域評価 2024年度福岡大会）

小泉和心, 杉原創, 小島創一, 田島亮介, 牧野知之, 濱本亨

日本土壌肥料学会講演要旨集　70　87-87　2024/08/26
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.70.0_87_1 　

ISSN： 0288-5840

eISSN： 2424-0575
6-1-3 水田土壌における硫黄肥沃度評価とその関連因子が硫黄動態に与える影響の解明（6-1 水田土壌肥沃度 2024年度福岡大会）

霜野七鳳, 牧野知之, 濱本亨

日本土壌肥料学会講演要旨集　70　91-91　2024/08/26
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.70.0_91_3 　

ISSN： 0288-5840

eISSN： 2424-0575
3-1-9 微生物間相互作用を評価するための模擬土壌を用いた単純培養試験系の検討（3-1 土壌生物の生態と機能 2024年度福岡大会）

藤原奏, 牧野知之, 濱本亨

日本土壌肥料学会講演要旨集　70　27-27　2024/08/26
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.70.0_27_3 　

ISSN： 0288-5840

eISSN： 2424-0575
Effects of wood ash application on the dynamics of various elements in soil

C. JIAN, T. Hamamoto, H. Naganuma, A. Sawada, T. Mori, K. Kimura, S. Yamasaki, H. Nakada, T. Makino

2nd International Conference of SAINS TANAH　2024/08
Impact of Zero-Valent Iron on Arsenic Levels in Rice Grains and Soil Solution : A Multi-Year Study

S. SHIBATA, T. Hamamoto, H. Kanno, K. Kimura, S. Yamasaki, N. Yamaguchi, A. Suda, H. Nakada, G. Kato, K. Iijima, T. Makino

2nd International Conference of SAINS TANAH　2024/08
13. To Africa without a suit

Hamamoto Toru

Japanese Journal of Soil Science and Plant Nutrition　95　(1)　62-65　2024/02/05
Publisher: Japanese Society of Soil Science and Plant Nutrition
DOI： 10.20710/dojo.95.1_62 　

ISSN： 0029-0610

eISSN： 2424-0583
国際連携による土壌肥料研究の広がりと現地課題への挑戦(13)スーツを持たずにアフリカへ—Development of international collaboration and our challenges to regional issues in soil science and plant nutrition research(13)To Africa without a suit

濱本亨

日本土壌肥料学雑誌 = Japanese journal of soil science and plant nutrition　95　(1)　62-65　2024/02
Publisher: 東京 : 日本土壌肥料学会 ; 1927-
ISSN： 0029-0610
模擬土壌を用いた微生物培養試験によるCO₂放出量の種間比較

藤原奏, 牧野知之, 濱本亨

土と微生物　78　(2)　2024

ISSN： 0912-2184
異なるササゲ系統における根粒菌群集

小泉和心, 石井孝佳, 濱本亨

土と微生物　78　(2)　2024

ISSN： 0912-2184
6-1-5 風乾処理の影響および抽出時間を考慮した土壌可給態Mn抽出法の検討（6-1 水田土壌肥沃度 2023年度愛媛大会）

仲田徳也, 濱本亨, 山崎慎一, 石川覚, 安部匡, 須田碧海, 中田均, 松下みどり, 大内昭彦, 牧野知之

日本土壌肥料学会講演要旨集　69　87-87　2023/09/04
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.69.0_87_2 　

ISSN： 0288-5840

eISSN： 2424-0575
7-2-5 土壌への木質バイオマス燃焼灰の施用が各種元素の動態に及ぼす影響（7-2 土壌改良資材 2023年度愛媛大会）

菅伝真, 濱本亨, 長沼広, 澤田晃広, 森岳人, 木村和彦, 山崎慎一, 中田均, 牧野知之

日本土壌肥料学会講演要旨集　69　124-124　2023/09/04
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.69.0_124_2 　

ISSN： 0288-5840

eISSN： 2424-0575
6-1-4 水田土壌の硫黄肥沃度評価に関する重金属と可給態Sの関連解明（6-1 水田土壌肥沃度 2023年度愛媛大会）

渡邉明日花, 濱本亨, 中川進平, 佐藤雄太, 山崎慎一, 牧野知之

日本土壌肥料学会講演要旨集　69　87-87　2023/09/04
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.69.0_87_1 　

ISSN： 0288-5840

eISSN： 2424-0575
2-1-17 土壌乾燥および殺菌処理で増加する水溶性有機物とマンガン酸化物の反応－X線光電子分光法による解析－（2-1 土壌有機・無機成分の構造・機能・ダイナミクス 2023年度愛媛大会）

成川貴彦, 鈴木さくら, 濱本亨, 木村和彦, 山崎慎一, 牧野知之

日本土壌肥料学会講演要旨集　69　17-17　2023/09/04
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.69.0_17_2 　

ISSN： 0288-5840

eISSN： 2424-0575
2-1-7 くん蒸処理により増加した糖類の由来推定、およびマンガン酸化物に与える影響の解明（2-1 土壌有機・無機成分の構造・機能・ダイナミクス 2023年度愛媛大会）

鈴木さくら, 濱本亨, 木村和彦, 山崎慎一, 牧野知之

日本土壌肥料学会講演要旨集　69　14-14　2023/09/04
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.69.0_14_1 　

ISSN： 0288-5840

eISSN： 2424-0575
循環型社会における農業・土壌の役割 Invited

濱本亨

第4回環境セミナー、九州工業大学グリーンマテリアル研究センター　2022/11
6-1-16 水田土壌の硫黄肥沃度指標と水稲の石膏施与への応答—宮城県内陸南部6地点及び2013年以降の常時湛水ポット栽培試験のまとめ—（6-1 水田土壌肥沃度 2022年度東京大会）

渡邉明日花, 菅野均志, 牧野知之, 濱本亨

日本土壌肥料学会講演要旨集　68　77-77　2022/09/05
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.68.0_77_1 　

ISSN： 0288-5840

eISSN： 2424-0575
6-2-6 炭素量の少ない土壌環境における土壌微生物群集および炭素・窒素動態（6-2 畑地土壌肥沃度 2022年度東京大会）

濱本亨

日本土壌肥料学会講演要旨集　68　82-82　2022/09/05
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.68.0_82_3 　

ISSN： 0288-5840

eISSN： 2424-0575
P8-2-11 Biochar effects on greenhouse gas emissions in tomato planted soils under future climate（将来気候条件下における炭化物投入がトマト栽培土壌からの温室効果ガス放出に及ぼす影響）（8-2 地球環境 2021年度北海道大会）

濱本亨, 須藤重人, 西原英治, 坪充

日本土壌肥料学会講演要旨集　67　141-141　2021/09/03
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.67.0_141_2 　

ISSN： 0288-5840

eISSN： 2424-0575
Biochar effects on greenhouse gas emissions in tomato planted soils under future climate

濱本亨, 須藤重人, 西原英治, 坪充

日本土壌肥料学会講演要旨集(Web)　67　2021

ISSN： 2424-0575
6-2-23 Soil microbial community response to land-use change at different soil depths in two contrasting soils in Zambia（6-2 畑地土壌肥沃度 2020年度岡山大会）

濱本亨, 龍見史恵, 内田義崇

日本土壌肥料学会講演要旨集　66　95-95　2020/09/01
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.66.0_95_2 　

ISSN： 0288-5840

eISSN： 2424-0575
Soil microbial community response to land-use change at different soil depths in two contrasting soils in Zambia

濱本亨, 龍見史恵, NHAMO Nhamo, CHIKOYE David, 内田義崇

日本土壌肥料学会講演要旨集(Web)　66　2020

ISSN： 2424-0575
6-2-12 Carbon dynamics and Soil fauna and bacterial community changes after（6-2 畑地土壌肥沃度，2019年静岡大会）

濱本亨, 内田義崇

日本土壌肥料学会講演要旨集　65　96-96　2019/09/03
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.65.0_96_3 　

ISSN： 0288-5840

eISSN： 2424-0575
32 Effects of organic amendment on crop and soil macrofauna in Zambia（北海道支部講演会）

日本土壌肥料学会講演要旨集　65　233-233　2019/09/03
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.65.0_233_2 　

ISSN： 0288-5840

eISSN： 2424-0575
Carbon dynamics and Soil fauna and bacterial community changes after organic amendments in Zambia

濱本亨, NHAMO Nhamo, CHIKOYE David, 内田義崇

日本土壌肥料学会講演要旨集(Web)　65　2019

ISSN： 2424-0575
Report on the 21st World Congress of Soil Science (21WCSS)

Kurokawa Kohei, Hamamoto Toru

Japanese Journal of Soil Science and Plant Nutrition　89　(6)　578-578　2018/12/25
Publisher: Japanese Society of Soil Science and Plant Nutrition
DOI： 10.20710/dojo.89.6_578 　

ISSN： 0029-0610

eISSN： 2424-0583
17 The role of earthworms on carbon/nitrogen cycles in soils in relation to microbes（北海道支部講演会，2017年度各支部会）

日本土壌肥料学会講演要旨集　64　240-240　2018/08/29
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.64.0_240_2 　

ISSN： 0288-5840

eISSN： 2424-0575
19 VARIABILITY OF DENITRIFICATION POTENTIALS IN RIVERBANK SOILS ALONG BEKANBEUSHI RIVER, HOKKAIDO（北海道支部講演会，2017年度各支部会）

日本土壌肥料学会講演要旨集　64　241-241　2018/08/29
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.64.0_241_1 　

ISSN： 0288-5840

eISSN： 2424-0575
Multidisciplinary field research in Kabwe, Zambia, towards better understanding of lead contamination of the city - A short report from a field survey

Yoshitaka Uchida, Kawawa B, a, Imasiku Nyambe, Toru Hamamoto, Yui Yoshii, Kabenuka Munthali, Mukuka Mwansa, Moses Mukuka, Mubanga Mutale, John Yabe, Haruya Toyomaki, Yohannes Yared Beyene, Shouta M. M. Nakayama, Nobuyasu Naruse, Mayumi Ishizuka, Yukihiro Takahashi

63　(0)　168-168　2017/01/12
Publisher: Cold Spring Harbor Laboratory
DOI： 10.1101/096164 　

ISSN： 0288-5840

eISSN： 2424-0575

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<jats:title>Abstract</jats:title><jats:p>Heavy metal contamination is a serious issue in many post-mining regions around the world. Kabwe town, Zambia, is known as one of the most polluted cities in the world, where high lead (Pb) levels have been reported in soils, plants, animals and human blood. Multidisciplinary approaches are critically needed to understand the current situation and to remediate the polluted area. In the current research, a large-scale preliminary field survey was performed to understand the current situation in Kabwe and to plan future mitigation approaches. Three aspects were mainly observed; 1) plant communities during the dry season in Kabwe city, 2) spectral images of the land surfaces in various locations in Kabwe and 3) Pb concentrations in soils and water. Overall, >15 different plant species were observed and many of them maintained their green colour even during the dry season. Some tree species, for example, <jats:italic>Caesalpiniaceae</jats:italic> and <jats:italic>Fabaceae</jats:italic> families may be utilised as phytostabilization approaches although their impacts on the soil Pb mobility should be further studied. For the spectral images, we used a handmade portable spectrometer, and our obtained spectral images showed typical curves observed from soils. These data may be used to understand the distribution of different soil types in this area, using aboveground images such as satellite images. For Pb concentrations in soils, extremely high total Pb levels (>1,000 ppm) was observed only within 2 km from the mining site. There was a weak but a positive correlation between the total and soluble Pb thus further study should also focus on the mobility of Pb from soils to plant ecosystems.</jats:p>
10 Nitrogen dynamics in urine treated pasture soils under freeze/thaw conditions（北海道支部講演会，2016年度各支部会）

濱本亨, 内田義祟

日本土壌肥料学会講演要旨集　63　260-260　2017
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.63.0_260_1 　

ISSN： 0288-5840

eISSN： 2424-0575
6-2-9 Small-scale variability of soil animal/microbial community structures in relation to land-use change in Zambia（6-2 畑地土壌肥沃度，2017年度仙台大会）

濱本亨, Meki Chirwa, Imasiku Nyambe, 内田義崇

日土肥講要　63　(0)　106-106　2017
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.63.0_106_3 　

ISSN： 0288-5840

eISSN： 2424-0575
P6-4-2 Nitrogen dynamics in urine treated pasture soils under freeze/thaw conditions（ポスター，6-4 草地土壌肥沃度，2016年度佐賀大会）

濱本亨, 内田義祟

日本土壌肥料学会講演要旨集　62　118-118　2016
Publisher: 一般社団法人日本土壌肥料学会
DOI： 10.20710/dohikouen.62.0_118_2 　

ISSN： 0288-5840

eISSN： 2424-0575
1-1-11 Factors controlling nutrient (N, P, K) input/output balances in Hokkaido dairy farms

HAMAMOTO Toru, UCHIDA Yoshitaka, TODA Misato, MOGI hirosato, SHIMOTSUMA Moe

Abstracts of the Annual Meetings, Japanese Society of Soil Science and Plant Nutrition　61　4　2015
Publisher: Japanese Society of Soil Science and Plant Nutrition
DOI： 10.20710/dohikouen.61.0_4_2 　

ISSN： 0288-5840

eISSN： 2424-0575
8-1-34 Sodium concentration in cow urine influences nitrate leaching potentials from a pasture soil in Hokkaido : an incubation study

Uchida Yoshitaka, Hamamoto Toru

Abstracts of the meeting, the Society of the Science of Soil and Manure　60　(60)　151-151　2014/09/09
Publisher: Japanese Society of Soil Science and Plant Nutrition
DOI： 10.20710/dohikouen.60.0_151_1 　

ISSN： 0288-5840

eISSN： 2424-0575

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Research Projects 9

菌類による枯死木分解が森林の更新と炭素貯留に与える影響は気候でどう変わるか

深澤遊, 高木正博, 小南裕志, 濱本亨, 佐藤博俊, 松岡俊将, 杉山賢子

Offer Organization: 日本学術振興会

System: 科学研究費助成事業

Category: 基盤研究(B)

Institution: 東北大学

2024/04/01 - 2027/03/31
Innovative Resource Recycling Use of Woody Biomass Ash and Nutrient Dynamics Analysis: New Developments for Sustainable Agriculture

Offer Organization: Bio-oriented Technology Research Advancement Institution (BRAIN)

2024/09 - 2027/03
アフリカの小規模農家における持続可能な気候変動緩和：土壌炭素貯留と温室効果ガス削減

本間香貴, 坪充, 牧野知之, 田島亮介, 濱本亨, 南アフリカチーム, ボツワナチーム

Offer Organization: 国立研究開発法人科学技術振興機構

System: 国際科学技術共同研究推進事業（戦略的国際共同研究プログラム）

Category: AJ-CORE共同研究

2024/02 - 2027/01
Relating microbial community structure to functioning in soil carbon sequestration and its controlling factors

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Early-Career Scientists

Institution: Tohoku University

2023/04/01 - 2026/03/31
Elucidation of specific poise function of Andisol for arsenic reduction in paddy rice; Application of 57Fe tracer

Makino Tomoyuki

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (C)

Institution: Tohoku University

2020/04/01 - 2023/03/31

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The soil Fe elution was compared by adding 57Fe oxide to Andisol and non- Andisol and incubating them in water using 57Fe as a tracer. The soil Fe release from the non- Andisol was reduced by the addition of 57Fe, and the As release was also reduced. The Andisol did not reduce soil Fe leaching after the same addition. The electrons supplied by waterlogged incubation test were equally distributed between soil Fe and material Fe in the non- Andisol, suggesting that soil Fe is less electron-accepting in the Andisol. Mixing of Andisol with alluvial soil resulted in a decrease in As concentration in the soil solution and an increase in the Si/As ratio, and the total As concentration in brown rice decreased. Under reducing conditions, Andisol has a high adsorption capacity for As(III), suggesting that amorphous iron and large amounts of silicate increase the relative amount of As and contribute to the reduction of As in brown rice.
Effects of biochar and organic amendment on soil C dynamics in sub-Saharan Africa

Hamamoto Toru

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Research Activity Start-up

Institution: Tottori University

2020/09/11 - 2022/03/31

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The effects of organic amendment on carbon (C) and nitrogen dynamics, and the dynamics of the soil microbial communities, which drive them, were investigated in deficient C content soils (0-2%). First, we found that even in soils with low C content, microbial dynamics due to C inputs and the associated CO2 emissions were strongly influenced by differences in the original soil C content. We also found that biochar, which is a relatively less degradable C source, potentially suppresses the net C emissions and thus contributes to C sequestration.
Relationships between soil animals-microbes to maintain and increase soil carbon in Zambia

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for JSPS Fellows

Institution: Hokkaido University

2018/04/25 - 2020/03/31
ザンビアにおける土壌動物の多様性が担う炭素蓄積機能の関連解明

Offer Organization: アフリカ協会
ザンビアの土壌劣化に伴う、土壌炭素減少および微生物多様性・機能損失の関連解明

Offer Organization: ヤンマー資源循環機構

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Teaching Experience 1

現代における農と農学　東北大学