Influence of green manure (Leucaena leucocephala) dosages on eggplant (Solanum melongena) growth and yield across diverse soil types von Kurniawan, Anggit, Setyorini, Titin, Kautsar, Valensi

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Water Footprint and Crop Water Usage of Oil Palm (Eleasis guineensis) in Central Kalimantan: Environmental Sustainability Indicators for Different Crop Age and Soil Conditions von Safitri, Lisma, Hermantoro, Hermantoro, Purboseno, Sentot, Kautsar, Valensi, Saptomo, Satyanto, Kurniawan, Agung

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Weeding Frequencies Decreased Rice-Weed Competition and Increased Rice N Uptake in Organic Paddy Field von Maimunah, Margi Asih, Kautsar, Valensi, Bimantara, Putu Oki, Kimani, Samuel Munyaka, Torita, Ren, Tawaraya, Keitaro, Murayama, Hideki, Utami, Sri Nuryani Hidayah, Purwanto, Benito Heru, Cheng, Weiguo

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Weeding Frequencies Improve Soil Available Nitrogen in Organic Paddy Field von 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

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

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P8-2-11 Organic rice farming increasing soil carbon stocks and nitrogen mineralization potentials in Japanese Andosols von Kautsar, Valensi, Cheng, Weiguo, Tawaraya, Keitaro, Toriyama, Kazunobu, Kobayashi, Kazuhiko

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Analisis Pertumbuhan dan Produktivitas Kelapa Sawit pada Variasi Kerapatan Tanam von Wiwin Dyah Ully Parwati, Filemon Hepron Nadeak, Valensi Kautsar

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Poultry litter biochar application in combination with chemical fertilizer and Azolla green manure improves rice grain yield and nitrogen use efficiency in paddy soil von Kimani, Samuel Munyaka, Bimantara, Putu Oki, Kautsar, Valensi, Tawaraya, Keitaro, Cheng, Weiguo

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Estimating SPAD, Nitrogen Concentration, and Chlorophyll Content in Rice Leaves using Calibrated Smartphone Digital Image von Kautsar, Valensi, Faizah, Kuni, Uktoro, Arief Ika, Khasanah, Lutfiatun, Filiphus, Filiphus

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Sustainability of the Water Footprint of Various Soil Types on Oil Palm Plantations von Safitri, Lisma, Hermantoro, Kautsar, Valensi, Suparyanto, Teddy, Hidayat, Alam Ahmad, Pardamean, Bens

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Study of oil palm root architecture with variation of crop stage and soil type vulnerable to drought von Safitri, Lisma, Suryanti, Sri, Kautsar, Valensi, Kurniawan, Agung, Santiabudi, Fajar

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Five-year vegetation conversion from pasture to C 3 and C 4 plants affects dynamics of SOC and TN and their natural stable C and N isotopes via mediating C input and N leaching von Hosogoe, Yuka, Nguyen-Sy, Toan, Tang, Shuirong, Bimantara, Putu Oki, Sekikawa, Yuka, Kautsar, Valensi, Kimani, Samuel Munyaka, Xu, Xingkai, Tawaraya, Keitaro, Cheng, Weiguo

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Combined use of Azolla and loach suppressed paddy weeds and increased organic rice yield: second season results von Weiguo Cheng, Miwa Takei, Chizuru Sato, Valensi Kautsar, Yuka Sasaki, Satoru Sato, Keitaro Tawaraya, Hironori Yasuda

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The response of oil palm seedlings' growth to vermicompost and water stress under the main nursery stage von Kautsar, Valensi, Ismawanto, Diky, Dyah Ully Parwati, Wiwin

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P8-2-13 Effects of the continuous and discontinues use of excessive manure on carbon stock, nitrogen mineralization and rice yield（8-2 地球環境，2019年静岡大会）

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P8-2-17 土壌の炭素・窒素の動態変動に及ぼす植生の影響：C3植物ヨシとC4 植物オギの比較（8-2 地球環境 2021年度北海道大会） von 細越, 佑香, 関下, 奈菜美, 俵谷, 圭太郎, 程, 為国

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8-2-19 Effect of weeding frequencies on soil nitrogen and crop yield in organic rice farming（8-2 地球環境 2020年度岡山大会） von 鳥田, 廉, 俵谷, 圭太郎, 村山, 秀樹, 程, 為国

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P8-2-7 Incorporation and/or dual cropping of Azolla influences CH4 and N2O emissions from a flooded rice field（8-2 地球環境 2021年度北海道大会） von 鳥田, 廉, 服部, 聡, 俵谷, 圭太郎, 須藤, 重人, 程, 為国

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P8-2-6 Different soil/water ratios affected the amounts of hot water and water extracted organic matter in rice paddy（ポスター，8-2 地球環境，2018年度神奈川大会）... von 俵谷, 圭太郎, 渡部, 徹, 程, 為国

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P8-2-7 Carbon decomposition and nitrogen mineralization of winter fallow grasses in paddy soil under long-term organic farming（ポスター，8-2 地球環境，2018年度神奈川大会）... von 程, 為国, 俵谷, 圭太郎, 鳥山, 和伸, 小林, 和彦

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