Embedded Files
"He who does not research has nothing to teach" - Proverbs
List of Publications
List of Publications
Books
Books
Kautsar, V., Cheng, W., Tawaraya, K., Susumu, Y., Toriyama K. & Kobayashi, K. (2021). Long-term of organic rice cultivation with internal nutrient cycling in Japanese Andosols. In FAO and ITPS (Eds.) Recarbonizing global soils: A technical manual of recommended management practices, Volume 6. Forestry, Wetlands, Urban Soil - Case-studies. Food and Agriculture Organization of the United Nations, Rome, Italy. 157–166. ISBN: 978-92-5-134899-4. http://www.fao.org/3/cb6605en/cb6605en.pdf.
Kautsar, V. & Faizah K. (2021.) Agrostatistika: Pengolahan Data dengan SPSS (Agriculture Statistics: Data Management using SPSS). INSTIPER Press. Yogyakarta. ISBN: 978-623-5979-01-4. (in Bahasa Indonesia)
Journal Publications
Journal Publications
Kautsar V., Tang S, Kimani SM, Tawaraya K, Wue J, Toriyama K, Kobayashi K, & Cheng W. (2022) Carbon decomposition and nitrogen mineralization of foxtail and milk vetch incorporated into paddy soils for different durations of organic farming. Submitted to: Soil Science and Plant Nutrition. 68(1): 158-166. https://doi.org/10.1080/00380768.2021.2024424. (Q1 JOURNAL)
Kautsar, V., Cheng, W., Tawaraya, K., Hattori, S., Yamada, S., Kobayashi, K., & Toriyama, K. (2020). Air-drying and drying-rewetting effects in Japanese Andosols subjected to long-term organic rice farming. Soil Science and Plant Nutrition, 66(5), 714-723. https://doi.org/10.1080/00380768.2020.1816123. (Q1 JOURNAL)
Kautsar, V., Cheng, W., Tawaraya, K., Yamada, S., Toriyama, K., & Kobayashi, K. (2020). Carbon and nitrogen stocks and their mineralization potentials are higher under organic than conventional farming practices in Japanese Andosols. Soil Science and Plant Nutrition, 66(1), 144-151. https://doi.org/10.1080/00380768.2019.1705739. (Q1 JOURNAL)
Maimunah, M.A., Kautsar, V., Bimantara, P.O., Kimani, S.M., Torita, R., Tawaraya, K., Murayama, H., Utami, S.N.H., Purwanto, B.H., Cheng, W. (2021). Weeding Frequencies Decreased Rice–Weed Competition and Increased Rice N Uptake in Organic Paddy Field. Agronomy, 11, 1904. https://doi.org/10.3390/agronomy11101904. (Q1 JOURNAL)
Bimantara, P.O., Kimani, S.M., Kautsar, V., Egashira, H., Kikuchi, S., Tawaraya, K., & Cheng, W. (2022). Seasonal changes in soil properties caused by slash and burn agriculture practice in a humid temperate region of northeast Japan. Soil Science and Plant Nutrition. 68(1): 81-87. https://doi.org/10.1080/00380768.2021.2015237 (Q1 JOURNAL)
Kusumawardhani, P., Bimantara, P.O., Guigue, J., Haga, C., Sasaki, Y., Kautsar, V., Kimani, S.M., Nguyen-Sy, T., Tang, S., Utami, S.N.H., Tawaraya, K., Sugawara, K., & Cheng, W. (2022). 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. Soil Science and Plant Nutrition. 68 (1): 114-123. https://doi.org/10.1080/00380768.2021.2017235. (Q1 JOURNAL)
Utami, A. I., Bimantara, P. O., Umemoto, R., Sabri, R. K., Kautsar, V., Tawaraya, K., ... & Cheng, W. (2020). Incorporation of winter grasses suppresses summer weed germination and affects inorganic nitrogen in flooded paddy soil. Soil Science and Plant Nutrition, 66(2), 389-397. https://doi.org/10.1080/00380768.2020.1725914. (Q1 JOURNAL)
Safitri, L., Hermantoro, H., Purboseno, S., Kautsar, V., Saptomo, S. K., & Kurniawan, A. (2019). Water footprint and crop water usage of oil palm (Eleasis guineensis) in Central Kalimantan: Environmental sustainability indicators for different crop age and soil conditions. Water, 11(1), 35. https://doi.org/10.3390/w11010035. (Q1 JOURNAL)
Maimunah, M.A., Kautsar, V., Bimantara, P.O., Kimani, S.M., Utami, A.I., Sabri, R.K., Tawaraya, K., Utami, S.N.H., Purwanto, B.H., Cheng, W. 2022. Weeding Frequencies Improve Soil Available Nitrogen in Organic Paddy Field. Planta Tropika, 10(1): 45-54. https://doi.org/10.18196/pt.v10i1.12707.
Kimani, S.M., Bimantara, P.O., Kautsar, V., Tawaraya, K., Cheng, W. (2021) Poultry litter biochar application in combination with chemical fertilizer and Azolla green manure improves rice grain yield and nitrogen use efficiency in paddy soil. Biochar, 3(4): 591–602. https://doi.org/10.1007/s42773-021-00116-z.
Safitri, L., Kautsar, V., Purboseno, S., Wulandari, R. K., & Ardiyanto, A. (2018). Water Footprint Analysis of Oil Palm:(Case Study of the Pundu Region, Central Borneo). International Journal of Oil Palm, 1(3), 95-102.
Safitri, L., Purboseno, S., Kautsar, V., Saptomo, S. K., & Ardiyanto, A. (2019, May). Oil Palm Water Balance; a tools for Analysing Oil Palm Water Footprint and Root Water Uptake Distribution in Root Zone. In IOP Conference Series: Earth and Environmental Science (Vol. 260, No. 1, p. 012040). IOP Publishing.
Safitri, L., Suryanti, S., Kautsar, V., Kurniawan, A., & Santiabudi, F. (2018, March). Study of oil palm root architecture with variation of crop stage and soil type vulnerable to drought. In IOP Conference Series: Earth and Environmental Science (Vol. 141, No. 1, p. 012031). IOP Publishing.
Safitri, L., Purboseno, S., Kautsar, V., Wijayanti, Y., & Ardiyanto, A. (2018). Development of oil palm water balance tool for predicting water content distribution in root zone. International Journal of Engineering Technology and Sciences, 5(2), 38-49.
Recarbonizing Global Soils
Recarbonizing Global Soils
Long-term of organic rice cultivation with internal nutrient cycling in Japanese Andosols. In FAO and ITPS (Eds.) Recarbonizing global soils: A technical manual of recommended management practices, Volume 6. Forestry, Wetlands, Urban Soil - Case-studies. Food and Agriculture Organization of the United Nations
Valensi Kautsar, Cheng, W., Tawaraya, K., Susumu, Y., Toriyama K. & Kobayashi, K.
Agrostatistika
Agrostatistika
Agrostatistika: Pengolahan Data dengan SPSS (Agriculture Statistics: Data Management using SPSS). INSTIPER Press
Valensi Kautsar dan Kuni Faizah
ISBN: 978-623-5979-01-4
Foxtail and milk vetch decomposition
Foxtail and milk vetch decomposition
Carbon decomposition and nitrogen mineralization of foxtail and milk vetch incorporated into paddy soils for different durations of organic farming. Soil Science and Plant Nutrition
Valensi Kautsar, Tang S, Kimani SM, Tawaraya K, Wue J, Toriyama K, Kobayashi K, & Cheng W.
Rice–Weed Competition
Rice–Weed Competition
Weeding Frequencies Decreased Rice–Weed Competition and Increased Rice N Uptake in Organic Paddy Field. Agronomy
Maimunah, M.A., Valensi Kautsar, Bimantara, P.O., Kimani, S.M., Torita, R., Tawaraya, K., Murayama, H., Utami, S.N.H., Purwanto, B.H., Cheng, W.
Seasonal changes in soil properties
Seasonal changes in soil properties
Seasonal changes in soil properties caused by slash and burn agriculture practice in a humid temperate region of northeast Japan. Soil Science and Plant Nutrition
Bimantara, P.O., Kimani, S.M., Valensi Kautsar, Egashira, H., Kikuchi, S., Tawaraya, K., & Cheng, W.
Land-Use and Management Change
Land-Use and Management Change
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. Soil Science and Plant Nutrition
Kusumawardhani, P., Bimantara, P.O., Guigue, J., Haga, C., Sasaki, Y., Valensi Kautsar, Kimani, S.M., Nguyen-Sy, T., Tang, S., Utami, S.N.H., Tawaraya, K., Sugawara, K., & Cheng, W.
Poultry litter biochar application
Poultry litter biochar application
Poultry litter biochar application in combination with chemical fertilizer and Azolla green manure improves rice grain yield and nitrogen use efficiency in paddy soil. Biochar
Kimani, S.M., Bimantara, P.O., Valensi Kautsar, Tawaraya, K., Cheng, W.
Weeding Frequencies Soil Available N
Weeding Frequencies Soil Available N
Weeding Frequencies Improve Soil Available Nitrogen in Organic Paddy Field. Planta Tropika
Maimunah, M.A., Valensi Kautsar, Bimantara, P.O., Kimani, S.M., Utami, A.I., Sabri, R.K., Tawaraya, K., Utami, S.N.H., Purwanto, B.H., Cheng, W.
Presentasi Seminar Nasional HITI
Presentasi Seminar Nasional HITI
Presentasi disampaikan pada Seminar Nasional peneliti Muda Ilmu Tanah Indonesia yang diselenggarakan oleh HITI (Himpunan Ilmu Tanah Indonesia). Menghadirkan total 15 narasumber dari berbagai universitas dan instansi yang tersebar di seluruh Indonesia.
Materi - Valensi Kautsar - Dinamika karbon dan nitrogen pada pertanian organik.pdfMateri Seminar Nasional HITI
Materi Seminar Nasional HITI
Materi disampaikan pada Seminar Nasional peneliti Muda Ilmu Tanah Indonesia yang diselenggarakan oleh HITI (Himpunan Ilmu Tanah Indonesia). Menghadirkan total 15 narasumber dari berbagai universitas dan instansi yang tersebar di seluruh Indonesia.
Air-drying and drying-rewetting
Air-drying and drying-rewetting
Air-drying and drying-rewetting effects in Japanese Andosols subjected to long-term organic rice farming. Soil Science and Plant Nutrition
Valensi Kautsar, Weiguo Cheng, Keitaro Tawaraya, Satoshi Hattori, Susumu Yamada, Kazuhiko Kobayashi & Kazunobu Toriyama
Carbon and nitrogen stocks
Carbon and nitrogen stocks
Carbon and nitrogen stocks and their mineralization potentials are higher under organic than conventional farming practices in Japanese Andosols. Soil Science and Plant Nutrition
Valensi Kautsar, Weiguo Cheng, Keitaro Tawaraya, Susumu Yamada, Kazunobu Toriyama & Kazuhiko Kobayashi
Incorporation of winter grasses
Incorporation of winter grasses
Incorporation of winter grasses suppresses summer weed germination and affects inorganic nitrogen in flooded paddy soil. Soil Science and Plant Nutrition
Asih Indah Utami, Putu Oki Bimantara, Riho Umemoto, Riza Kurnia Sabri, Valensi Kautsar, Keitaro Tawaraya, Eko Hanudin & Weiguo Cheng
Water footprint of oil palm
Water footprint of oil palm
Water Footprint and Crop Water Usage of Oil Palm (Eleasis guineensis) in Central Kalimantan: Environmental Sustainability Indicators for Different Crop Age and Soil Conditions. Water
Lisma Safitri, Hermantoro Hermantoro, Sentot Purboseno, Valensi Kautsar, Satyanto Krido Saptomo, Agung Kurniawan
Water Footprint Analysis of Oil Palm
Water Footprint Analysis of Oil Palm
Water Footprint Analysis of Oil Palm:(Case Study of the Pundu Region, Central Borneo). International Journal of Oil Palm
Safitri, L., Valensi Kautsar, Purboseno, S., Wulandari, R. K., & Ardiyanto, A.
Oil palm water balance
Oil palm water balance
Development of Oil Palm Water Balance Tool for Predicting Water Content Distribution in Root Zone. International Journal of Engineering Technology and Science
Lisma Safitri, Hermantoro, Sentot Purboseno, Valensi Kautsar, Yureana Wijayanti, A. Ardiyanto
Oil Palm Water Balance
Oil Palm Water Balance
Oil Palm Water Balance; a tools for Analysing Oil Palm Water Footprint and Root Water Uptake Distribution in Root Zone. IOP Conference Series: Earth and Environmental Science
Safitri, L., Purboseno, S., Valensi Kautsar, Saptomo, S. K., & Ardiyanto, A.
Azolla and loach suppressed weeds
Azolla and loach suppressed weeds
Combined use of Azolla and loach suppressed paddy weeds and increased organic rice yield: second season results. Journal of Wetlands Environmental Management
Weiguo Cheng, Miwa Takei, Chizuru Sato, Valensi Kautsar, Yuka Sasaki, Satoru Sato, Keitaro Tawaraya, Hironori Yasuda
Informasi Kerusakan Lahan
Informasi Kerusakan Lahan
Penyusunan Informasi Kerusakan Lahan dan atau Tanah untuk Produksi Biomassa di Kabupaten Temanggung. 2017.
Kerjasama Dinas Lingkungan Hidup (DLH) Kabupaten Temanggung dan CV. Kencana Kembar.
Google Sites
Report abuse