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Jpn J Crop Sci. 83/(num) 15-24 (2014) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] author [Author] [責任著者]南雲 俊之 [共著者]金澤裕美,大井友紀子,久保田恭子 [5]. Phosphorus balance and soil phosphorus status in paddy rice fields with various fertilizer practices. Plant Prod. Sci. 16/ 69- 76 (2013) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] author [Author] [責任著者]T Nagumo [共著者]S Tajima,A Yamashita,S Chikushi [6]. Impact of agricultural land use on N and P concentration in forest-dominated tea-cultivating watersheds. Soil Sci Plant Nutr. 58/ 121-134 (2012) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] author [Author] [責任著者]T nagumo [共著者]T Yosoi,A Aridomi [7]. Assessing the impact of phosphorus cycling on river water P concentration in Hokkaido. Soil Sci Plant Nutr 54/ 310-317 (2008) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Woli KP [共著者]Hayakawa A,Nagumo T,Imai H,Ishiwata T,Hatano R [8]. Nitrogen flow in the rural ecosystem of Mikasa City in Hokkaido, Japan PEDOSPHERE 16/ 264-272 (2006) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Liang L [共著者]Nagumo T,Hatano R [9]. Nitrogen cycling with respect to food production in a KARST region in Southwest China NUTRIENT CYCLING IN AGROECOSYSTEMS 73/ 119-134 (2005) [Refereed] refereed [Internationally co-authored papers] internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Liang L [共著者]Nagumo T,Hatano R [10]. Impact of nitrogen cycling on stream water quality in a basin associated with forest, grassland, and animal husbandry, Hokkaido Japan. ECOLOGICAL MODELLING 24/ 509-515 (2005) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Hatano R [共著者]Nagumo T,Hata H,Kuramochi K [11]. Evaluating river water quality through land use analysis and N budget approaches in livestock farming areas SCIENCE OF THE TOTAL ENVIRONMENT 329/ 61-74 (2004) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Woli KP [共著者]Nagumo T,Kuramochi K,Hatano R [12]. Evaluating contributions of point and non-point sources of nitrogen pollution in stream water in a rural area of central Hokkaido, Japan SOIL SCIENCE AND PLANT NUTRITION 50/ 109-117 (2004) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] author [Author] [責任著者]Nagumo T [共著者]Woli KP,Hatano R [13]. Evaluation of the impact of paddy fields on stream water nitrogen concentration in central Hokkaido SOIL SCIENCE AND PLANT NUTRITION 50/ 45-55 (2004) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Woli KP [共著者]Nagumo T,Lie L,Hatano R [14]. Characteristics of nutrient load in a stream flowing through a livestock farm during spring snowmelt. SOIL SCIENCE AND PLANT NUTRITION 49/ 301-305 (2003) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Atsushi HAYAKAWA [共著者]Toshiyuki NAGUMO,Kanata KURAMOCHI,Ryusuke HATANO [15]. Magnitude of nitrogen pollution in stream water due to intensive livestock farming practices. 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Impact of nitrogen cycling associated with production and consumption of food on nitrogen pollution of stream water. SOIL SCIENCE AND PLANT NUTRITION 46/ 325-342 (2000) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] author [Author] [責任著者]Toshiyuki NAGUMO [共著者]Ryusuke HATANO [20]. Effects of heavy metal accumulation in apple orchard soils on microbial biomass and microbial activities. SOIL SCIENCE AND PLANT NUTRITION 43/ 601-612 (1997) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Masakazu AOYAMA [共著者]Toshiyuki NAGUMO [21]. Comparison of the effects of Cu, Pb, and As on residue decomposition, microbial biomass, and soil respiration. SOIL SCIENCE AND PLANT NUTRITION 43/ 613-622 (1997) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Masakazu AOYAMA [共著者]Toshiyuki NAGUMO [22]. Factors affecting microbial biomass and dehydrogenase activity in apple orchard soils with heavy metal accumulation. SOIL SCIENCE AND PLANT NUTRITION 42/ 821-831 (1996) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper [Lead author or co-author] co-author [Author] [責任著者]Masakazu AOYAMA [共著者]Toshiyuki NAGUMO |