The future of Weed science and The Weed Science Society of Japan von Sago, Ryuichi

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Effectiveness of weed control technology using crops genetically modified for herbicide tolerance (GEHT) —In case of United State of America von Sago, Ryuichi

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Susceptibility of paddy Echinochloa weeds to some herbicides von Sago, R. (Ibaraki Univ., Ami (Japan). Faculty of Agriculture), Takeshita, T

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Herbicide susceptibility and germination characteristics of thiocarbamate herbi cide-resistant Echinochloa phyllopogon von Sago, R. (Ibaraki Univ., Ami (Japan). Faculty of Agriculture), Uchiyama, K

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Distribution and decreasing rate of weed seed banks in paddy field under herbicide use von Sago, Ryuichi

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Physiological characteristics of thiocarbamates-resisitant Echinochloa pyllopogon von Sago, Ryuichi, Uchiyama, Kaori

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Factors affecting occurrence of Pinus thunbergii community and Ligustrum lucidum community on dredged reclaimed land in Tokyo Bay von IIJIMA, Kazuko, SAGO, Ryuichi

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Factors affecting occurrence of Pinus thunbergii community and Ligustrum lucidum community on dredged reclaimed land in Tokyo Bay von IIJIMA, Kazuko, SAGO, Ryuichi

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Dose-response studies of some herbicides on Echinochloa spp. in Japanese paddy fields von Sago, Ryuichi, Takeshita, Takafumi

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Characteristics of Soil Fertility in Organic Rice Cultivation von SAGO, Ryuichi, KOBAYASHI, Hisashi

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Characteristics of Germination and Susceptibility to Herbicides in Marsh dayflower (Murdannia keisak (Hassk.) Hand. -Mazz.) von Sago, Ryuichi, Ushida, Katsuhiro, Matsuda, Teruo

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Effects of polythytent film mulch on seel bank in arable land von Sago, R. (Ibaraki Univ., Ami (Japan). Faculty of Agriculture), Yoshimoto, R, Takayanagi, S, Matsuda, T

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Amount of Fertility Components Applied and Soil Fertility in Pear Orchards in Southern Ibaraki von SAGO, Ryuichi, SUGIMORI, Chihiro, KOBYASHI, Hisashi

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Critical weed-seed density to prevent yield loss of rice grown on paddy fields dominated by annual weeds von Sago, Ryuichi, Takahashi, Hirokazu, Takayanagi, Shigeru

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Development of Pulling Sprayer for Herbicides von SAGO, Ryuichi

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除草剤耐性遺伝子組換え作物による雑草防除技術の有効性:米国を例として von 佐合, 隆一

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Seedbank in arable soil von Sago, Ryuichi

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A Study on Life Cycle Assessment of Energy Consumption and CO2 Emissions in the Manufacturing and Transportation Processes of Nitrogen and Phosphate Fertilizers von KOBAYASHI, Hisashi, SAGO, Ryuichi

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Changes in Weed Seed Densities in Soil of Paddy Fields under Different Weed Managements von Sago, Ryuichi, Matsuda, Teruo

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これからの雑草研究と日本雑草学会の課題 von 佐合, 隆一

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