نتائج البحث - "Kimani, Samuel Munyaka"

1

Academic Journal

Five-year vegetation conversion from pasture to C3 and C4 plants affects dynamics of SOC and TN and their natural stable C and N isotopes via mediating C input and N leaching

المؤلفون: Hosogoe, Yuka, Nguyen-Sy, Toan, Tang, Shuirong, Bimantara, Putu Oki, Sekikawa, Yuka, Kautsar, Valensi, Kimani, Samuel Munyaka, Xu, Xingkai, Tawaraya, Keitaro, Cheng, Weiguo

المساهمون: Japan Society for the Promotion of Science

المصدر: Science of The Total Environment ; volume 912, page 169481 ; ISSN 0048-9697

الاتاحة: http://dx.doi.org/10.1016/j.scitotenv.2023.169481
https://api.elsevier.com/content/article/PII:S0048969723081111?httpAccept=text/xml
https://api.elsevier.com/content/article/PII:S0048969723081111?httpAccept=text/plain

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2

Conference

Impact of Azolla biofertilization on rice paddy CH4 and N2O emissions

المؤلفون: Kimani, Samuel Munyaka, Sekishita, Nanami, Hosogoe, Yuka, Kautsar, Valensi, Hattori, Satoshi, Tawaraya, Keitaro, Sudo, Shigeto, Tokida, Takeshi, Cheng, Weiguo

Relation: https://zenodo.org/communities/irc2023; https://doi.org/10.5281/zenodo.10400345; https://doi.org/10.5281/zenodo.10400346; oai:zenodo.org:10400346

الاتاحة: https://doi.org/10.5281/zenodo.10400346

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3

Academic Journal

Indica rice "Takanari" exhibited superiority to Japanese rice "Koshihikari" on N-uptake and biomass production under no-weeding practice.

المؤلفون: Dukuzumuremyi, Jean Yves, Kimani, Samuel Munyaka, Cheng, Weiguo, Nkurunziza, Christian, Maimunah, Margi Asih, Tang, Shuirong, Sasaki, Yuka, Murayama, Hideki

المصدر: Soil Science & Plant Nutrition; Oct-Dec2024, Vol. 70 Issue 5/6, p336-344, 9p

مصطلحات موضوعية: RICE farming, ORGANIC farming, PLANT biomass, BIOMASS production, LEAF color

4

Academic Journal

Weeding Frequencies Improve Soil Available Nitrogen in Organic Paddy Field

المؤلفون: Maimunah, Margi Asih, Kautsar, Valensi, Bimantara, Putu Oki, Kimani, Samuel Munyaka, Utami, Asih Indah, Sabri, Riza Kurnia, Tawaraya, Keitaro, Utami, Sri Nuryani Hidayah, Purwanto, Benito Heru, Cheng, Weiguo

المساهمون: Japan Student Services Organization

المصدر: PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science); Vol 10, No 1 (2022); 45-54 ; 25287079 ; 0216499X

مصطلحات موضوعية: Soil Science, Ammonium, Nitrate, Organic rice, Organic weeds management, Rotary weeder

وصف الملف: application/pdf

Relation: https://journal.umy.ac.id/index.php/pt/article/view/12707/7126; https://journal.umy.ac.id/index.php/pt/article/view/12707

الاتاحة: https://journal.umy.ac.id/index.php/pt/article/view/12707
https://doi.org/10.18196/pt.v10i1.12707

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5

Dissertation/ Thesis

Utilization of Azolla in rice cultivation for climate change adaptation and mitigation

المؤلفون: Kimani, Samuel Munyaka

وصف الملف: application/pdf

URL الوصول: https://ndlsearch.ndl.go.jp/books/R100000039-I11664626

Degree: 博士(農学) -- 岩手大学

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6

Academic Journal

Supplementary data: Table S1, Table S2, Table S3, and Table S4.

المؤلفون: Maimunah, Margi Asih, Kautsar, Valensi, Bimantara, Putu Oki Bimantara, Kimani, Samuel Munyaka, Torita, Ren, Tawaraya, Keitaro, Murayama, Hideki, Utami, Sri Nuryani Hidayah, Purwanto, Benito Heru, Cheng, Weiguo

مصطلحات موضوعية: Weeding frequencies, rice-weed competition

Relation: https://doi.org/10.5281/zenodo.4424198; https://doi.org/10.5281/zenodo.5509925; oai:zenodo.org:5509925

الاتاحة: https://doi.org/10.5281/zenodo.5509925

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7

Academic Journal

Table S1. Experiment schedule (transplanting, weeding, soil, plant, and water sampling) on organic fields. 0WF, 2WF, 4WF, 6WF, and 8WF were 0, 2, 4, 6, and 8 times mechanical weeding.

المؤلفون: Maimunah, Margi Asih, Kautsar, Valensi, Bimantara, Putu Oki Bimantara, Kimani, Samuel Munyaka, Torita, Ren, Tawaraya, Keitaro, Murayama, Hideki, Utami, Sri Nuryani Hidayah, Purwanto, Benito Heru, Cheng, Weiguo

مصطلحات موضوعية: Weeding frequencies, rice-weed competition

Relation: https://doi.org/10.5281/zenodo.4424198; https://doi.org/10.5281/zenodo.4424199; oai:zenodo.org:4424199

الاتاحة: https://doi.org/10.5281/zenodo.4424199

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8

Academic Journal

Azolla incorporation and dual cropping influences CH 4 and N 2 O emissions from flooded paddy ecosystems

المؤلفون: Kimani, Samuel Munyaka, Bimantara, Putu Oki, Hattori, Satoshi, Tawaraya, Keitaro, Sudo, Shigeto, Cheng, Weiguo

المساهمون: Japan Society for the Promotion of Science

المصدر: Soil Science and Plant Nutrition ; volume 66, issue 1, page 152-162 ; ISSN 0038-0768 1747-0765

الاتاحة: https://doi.org/10.1080/00380768.2019.1705736
https://www.tandfonline.com/doi/pdf/10.1080/00380768.2019.1705736

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9

Academic Journal

Co-application of poultry-litter biochar with Azolla has synergistic effects on CH4 and N2O emissions from rice paddy soils

المؤلفون: Kimani, Samuel Munyaka, Bimantara, Putu Oki, Hattori, Satoshi, Tawaraya, Keitaro, Sudo, Shigeto, Xu, Xingkai, Cheng, Weiguo

المساهمون: Japan Society for the Promotion of Science

المصدر: Heliyon ; volume 6, issue 9, page e05042 ; ISSN 2405-8440

الاتاحة: http://dx.doi.org/10.1016/j.heliyon.2020.e05042
https://api.elsevier.com/content/article/PII:S2405844020318855?httpAccept=text/xml
https://api.elsevier.com/content/article/PII:S2405844020318855?httpAccept=text/plain

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10

Academic Journal

No-weeding suppressed methane emissions by Takanari and Koshihikari rice varieties under organic farming.

المؤلفون: DUKUZUMUREMYI, Jean Yves, KIMANI, Samuel Munyaka, Weiguo CHENG, NKURUNZIZA, Christian, MAIMUNAH, Margi Asih, CANTONA, Eric, Shuirong TANG, Shigeto SUDO, Yuka SASAKI, Hideki MURAYAMA

المصدر: Journal of Agricultural Meteorology; 2024, Vol. 80 Issue 1, p12-21, 10p

مصطلحات موضوعية: ORGANIC farming, WEEDS, GREENHOUSE gases, PADDY fields, AQUATIC weeds, RICE, WEED control, PLANT biomass

مصطلحات جغرافية: KOS (Greece : Municipality)

11

Academic Journal

Stable carbon isotope ratios of water-extractable organic carbon affected by application of rice straw and rice straw compost during a long-term rice experiment in Yamagata, Japan

المؤلفون: Nguyen-Sy, Toan, Cheng, Weiguo, Kimani, Samuel Munyaka, Shiono, Hiroyuki, Sugawara, Reo, Tawaraya, Keitaro, Watanabe, Toru, Kumagai, Katsumi

المساهمون: JSPS Grant-in-Aid for Scientific Research

المصدر: Soil Science and Plant Nutrition ; volume 66, issue 1, page 125-132 ; ISSN 0038-0768 1747-0765

الاتاحة: https://doi.org/10.1080/00380768.2019.1708209
https://www.tandfonline.com/doi/pdf/10.1080/00380768.2019.1708209

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12

Academic Journal

Forage rice varieties Fukuhibiki and Tachisuzuka emit larger CH 4 than edible rice Haenuki

المؤلفون: Cheng, Weiguo, Kimani, Samuel Munyaka, Kanno, Takamori, Tang, Shuirong, Oo, Aung Zaw, Tawaraya, Keitaro, Sudo, Shigeto, Sasaki, Yuka, Yoshida, Norio

المساهمون: Japan Society for the Promotion of Science

المصدر: Soil Science and Plant Nutrition ; volume 64, issue 1, page 77-83 ; ISSN 0038-0768 1747-0765

الاتاحة: http://dx.doi.org/10.1080/00380768.2017.1378569
https://www.tandfonline.com/doi/pdf/10.1080/00380768.2017.1378569

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13

Academic Journal

Azolla cover significantly decreased CH 4 but not N 2 O emissions from flooding rice paddy to atmosphere

المؤلفون: Kimani, Samuel Munyaka, Cheng, Weiguo, Kanno, Takamori, Nguyen-Sy, Toan, Abe, Ryoko, Oo, Aung Zaw, Tawaraya, Keitaro, Sudo, Shigeto

المساهمون: Japan Society for the Promotion of Science

المصدر: Soil Science and Plant Nutrition ; volume 64, issue 1, page 68-76 ; ISSN 0038-0768 1747-0765

الاتاحة: http://dx.doi.org/10.1080/00380768.2017.1399775
https://www.tandfonline.com/doi/pdf/10.1080/00380768.2017.1399775

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14

Academic Journal

Carbon and nitrogen dynamics as affected by land-use and management change from original rice paddies to orchard, wetland, parking area and uplands in a mountain village located in Shonai region, Northeast Japan

المؤلفون: Kusumawardani, Patria Novita, Bimantara, Putu Oki, Guigue, Julien, Haga, Chihiro, Sasaki, Yuta, Kautsar, Valensi, Kimani, Samuel Munyaka, Nguyen-Sy, Toan, Tang, Shuirong, Purwanto, Benito Heru, Utami, Sri Nuryani Hidayah, Tawaraya, Keitaro, Sugawara, Kazuaki, Cheng, Weiguo

مصطلحات موضوعية: info:eu-repo/classification/ddc

Relation: https://mediatum.ub.tum.de/1695318

الاتاحة: https://mediatum.ub.tum.de/1695318
https://doi.org/10.1080/00380768.2021.2017235

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15

Academic Journal

Carbon decomposition and nitrogen mineralization of foxtail and milk vetch incorporated into paddy soils for different durations of organic farming

المؤلفون: Kautsar, Valensi, Tang, Shuirong, Kimani, Samuel Munyaka, Tawaraya, Keitaro, Wu, Ji, Toriyama, Kazunobu, Kobayashi, Kazuhiko, Cheng, Weiguo

المساهمون: Japan Society for the Promotion of Science

المصدر: Soil Science and Plant Nutrition ; volume 68, issue 1, page 158-166 ; ISSN 0038-0768 1747-0765

الاتاحة: http://dx.doi.org/10.1080/00380768.2021.2024424
https://www.tandfonline.com/doi/pdf/10.1080/00380768.2021.2024424

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16

Academic Journal

Influence of Azolla incorporation and/or dual cropping on CH 4 and N 2 O emission from a paddy field

المؤلفون: Kimani, Samuel Munyaka, Bimantara, Putu Oki, Kautsar, Valensi, Torita, Ren, Hattori, Satoshi, Tawaraya, Keitaro, Sudo, Shigeto, Cheng, Weiguo

المساهمون: The United Graduate of Agricultural Sciences (UGAS), Iwate University, Japan

المصدر: Soil Science and Plant Nutrition ; volume 68, issue 2, page 246-255 ; ISSN 0038-0768 1747-0765

الاتاحة: http://dx.doi.org/10.1080/00380768.2022.2047580
https://www.tandfonline.com/doi/pdf/10.1080/00380768.2022.2047580

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17

Academic Journal

Poultry litter biochar application in combination with chemical fertilizer and Azolla green manure improves rice grain yield and nitrogen use efficiency in paddy soil

المؤلفون: Kimani, Samuel Munyaka, Bimantara, Putu Oki, Kautsar, Valensi, Tawaraya, Keitaro, Cheng, Weiguo

المساهمون: Japan Society for the Promotion of Science Grant-in-Aid for Scientific Research

المصدر: Biochar ; volume 3, issue 4, page 591-602 ; ISSN 2524-7972 2524-7867

الاتاحة: http://dx.doi.org/10.1007/s42773-021-00116-z
https://link.springer.com/content/pdf/10.1007/s42773-021-00116-z.pdf
https://link.springer.com/article/10.1007/s42773-021-00116-z/fulltext.html

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18

Academic Journal

Seasonal changes in soil properties caused by slash and burn agriculture practice in a humid temperate region of northeast Japan

المؤلفون: Bimantara, Putu Oki, Kimani, Samuel Munyaka, Kautsar, Valensi, Egashira, Hiroaki, Kikuchi, Shun-ichi, Tawaraya, Keitaro, Cheng, Weiguo

المساهمون: Sumitomo Foundation, Heiwa Nakajima Foundation

المصدر: Soil Science and Plant Nutrition ; volume 68, issue 1, page 81-87 ; ISSN 0038-0768 1747-0765

الاتاحة: http://dx.doi.org/10.1080/00380768.2021.2015237
https://www.tandfonline.com/doi/pdf/10.1080/00380768.2021.2015237

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19

Academic Journal

Floating Azolla Cover Influences Evapotranspiration from Flooded Water Surfaces

المؤلفون: Kimani, Samuel Munyaka, Kanno, Takamori, Tawaraya, Keitaro, Cheng, Weiguo

المصدر: Wetlands ; volume 40, issue 5, page 1425-1432 ; ISSN 0277-5212 1943-6246

الاتاحة: http://dx.doi.org/10.1007/s13157-020-01282-9
http://link.springer.com/content/pdf/10.1007/s13157-020-01282-9.pdf
http://link.springer.com/article/10.1007/s13157-020-01282-9/fulltext.html

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20

Academic Journal

Influence of Azolla incorporation and/or dual cropping on CH4 and N2O emission from a paddy field.

المؤلفون: Kimani, Samuel Munyaka, Bimantara, Putu Oki, Kautsar, Valensi, Torita, Ren, Hattori, Satoshi, Tawaraya, Keitaro, Sudo, Shigeto, Cheng, Weiguo

المصدر: Soil Science & Plant Nutrition; Apr2022, Vol. 68 Issue 2, p246-255, 10p, 2 Charts, 5 Graphs

مصطلحات موضوعية: FERTILIZERS, NITROUS oxide, CROPS, ENVIRONMENTAL security, ATMOSPHERIC temperature, PADDY fields

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