Search Results - "Yanai, Junta"

Ability of micaceous minerals to adsorb and desorb caesium ions: Effects of mineral type and degree of weathering by Kitayama, Rikuo, Yanai, Junta, Nakao, Atsushi

“…To evaluate the effects of type of micaceous mineral and degree of weathering on the ability to adsorb and desorb radiocaesium (RCs) ions, various levels of…”
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Radiocesium sorption in relation to clay mineralogy of paddy soils in Fukushima, Japan by Nakao, Atsushi, Ogasawara, Sho, Sano, Oki, Ito, Toyoaki, Yanai, Junta

“…Relationships between Radiocesium Interception Potential (RIP) and mineralogical characteristics of the clay fraction isolated from 97 paddy soils (Hama-dori,…”
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Study of the Ca2+-dependent gene expression of EuPrt, an extracellular metalloprotease produced by the psychro-tolerant bacterium Exiguobacterium undae Su-1 by Arakawa, Kiyoaki, Yanai, Junta, Watanabe, Kunihiko

“…ABSTRACT The effect of a Ca2+ ion on the gene expression of an on-demand type of metalloprotease from psychrotrophic Exiguobacterium undae Su-1 (EuPrt) was…”
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Soils and sustainable development goals of the United Nations: An International Union of Soil Sciences perspective by Lal, Rattan, Bouma, Johan, Brevik, Eric, Dawson, Lorna, Field, Damien J., Glaser, Bruno, Hatano, Ryusuke, Hartemink, Alfred E., Kosaki, Takashi, Lascelles, Bruce, Monger, Curtis, Muggler, Cristine, Ndzana, Georges Martial, Norra, Stefan, Pan, Xicai, Paradelo, Remigio, Reyes-Sánchez, Laura Bertha, Sandén, Taru, Singh, Bal Ram, Spiegel, Heide, Yanai, Junta, Zhang, Jiabao

“…Being critical to achieving Sustainable Development Goals (SDGs) of the United Nations, strengthening understanding of the properties and processes of soil at…”
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Interactive effect of parent material and topography on spatial variability of paddy soil material characteristics in the alluvial plain by Ito, Ryo, Yanai, Junta, Nakao, Atsushi

“…To investigate the interactive effects of parent material and topography as soil forming factors, we examined the distribution of soil materials in an alluvial…”
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Laboratory and field measurement of magnetic susceptibility of Japanese agricultural soils for rapid soil assessment by Moritsuka, Naoki, Matsuoka, Kaori, Katsura, Keisuke, Sano, Shuji, Yanai, Junta

“…•Vitric or Silandic Andosols in Japan had higher magnetic susceptibility than other soil types.•Magnetic susceptibility was most strongly correlated with…”
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Inhibition of radiocesium adsorption on 2:1 clay minerals under acidic soil environment: Effect of organic matter vs. hydroxy aluminum polymer by Tashiro, Yuki, Nakao, Atsushi, Wagai, Rota, Yanai, Junta, Kosaki, Takashi

“…Radiocesium (RCs) is selectively adsorbed on interlayer sites of weathered micaceous minerals, which primarily controls the mobility of RCs in the soil…”
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Geographical Variation in Total and Inorganic Arsenic Content of Polished (White) Rice by Meharg, Andrew A, Williams, Paul N, Adomako, Eureka, Lawgali, Youssef Y, Deacon, Claire, Villada, Antia, Cambell, Robert C. J, Sun, Guoxin, Zhu, Yong-Guan, Feldmann, Joerg, Raab, Andrea, Zhao, Fang-Jie, Islam, Rafiqul, Hossain, Shahid, Yanai, Junta

“…An extensive data set of total arsenic analysis for 901 polished (white) grain samples, originating from 10 countries from 4 continents, was compiled. The…”
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Relative importance of Asian-dust-derived micas estimated from oxygen isotopic analysis of fine quartz on specific retention of radiocesium in Andosols in Tohoku Region, Japan by Kitagawa, Yuri, Nakao, Atsushi, Tanaka, Ryoji, Takeda, Akira, Yamada, Daigo, Evrard, Olivier, Yanai, Junta

“…Andosols are the soil type that potentially has the highest radiocesium (RCs) transfer risk due to their deficiency in micaceous minerals (micas) that can…”
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Cost-effective separation of light fraction containing organic matter and charcoal material from agricultural soils using calcium chloride solution by Sano, Shuji, Yanai, Junta, Kadono, Atsunobu, Uchiyama, Tomoji, Akrich, Honami, Arakawa, Ryota, Kosaki, Takashi

“…The weights of light fraction organic matter (LF) separated from soils using saturated CaCl 2 solution (1.4 g cm −3 ) were compared to those separated using…”
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Effectiveness of non-exchangeable potassium quantified by mild tetraphenyl‑boron extraction in estimating radiocesium transfer to soybean in Fukushima by Wakabayashi, Shokichi, Eguchi, Tetsuya, Nakao, Atsushi, Azuma, Kazuki, Fujimura, Shigeto, Kubo, Katashi, Saito, Masaaki, Matsunami, Hisaya, Yanai, Junta

“…Non-exchangeable K released from soil minerals can reduce radiocesium transfer to plants, as well as exchangeable K. We investigated the effect of…”
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Evaluation of available silicon content and its determining factors of agricultural soils in Japan by Yanai, Junta, Taniguchi, Hiroshi, Nakao, Atsushi

“…To evaluate the available silicon (Si) content in agricultural soils in Japan and to investigate the determining factors of this content, we collected 180 soil…”
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Farm-scale variations in soil color as influenced by organic matter and iron oxides in Japanese paddy fields by Moritsuka, Naoki, Matsuoka, Kaori, Katsura, Keisuke, Yanai, Junta

“…To understand how soil color is influenced by soil components at the farm scale, we evaluated spatial variation in soil color and related soil properties in…”
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Preface to the special section on 'New frontiers of the nature, function and use of volcanic soils' by Yanai, Junta, Takahashi, Tadashi, Eguchi, Sadao, Obara, Hiroshi

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Distance-dependence from volcano for Asian dust inclusions in Andosols: A key to control soil ability to retain radiocesium by Nakao, Atsushi, Uno, Shiori, Yanai, Junta, Kubotera, Hideo, Tanaka, Ryoji, Root, Robert A., Kosaki, Takashi

“…[Display omitted] •The fine-sized mica in Allophanic Andosols is not originated from volcanic ashes.•The δ18O values of fine-quartz in the Andosols is similar…”
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Aeolian‐Dust‐Derived Micaceous Minerals Control Radiocesium Retention in Andosols in Japan by Nakao, Atsushi, Nakao, Aya, Tanaka, Ryoji, Ogasawara, Sho, Yanai, Junta

“…Factors controlling the abilities of Allophanic Andosols (representative of Japanese volcanic ash soils) to retain radiocesium (RCs) were assessed. The…”
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Effects of controlled release N fertilizers and reduced application rate on nitrous oxide emissions from soybean fields converted from rice paddies by Hasukawa, Hiroyuki, Inoda, Yumi, Takayama, Takayuki, Takehisa, Kunihiko, Sudo, Shigeto, Akiyama, Hiroko, Yanai, Junta

“…This study aimed to investigate the effects of using controlled release fertilizers with reduced application rates on nitrous oxide (N 2 O) gas emissions. For…”
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A stepwise change of frayed edge site content in biotite in response to the gradual release of potassium from the interlayers by Ogasawara, Sho, Nakao, Atsushi, Yanai, Junta

“…Radiocesium (RCs) is selectively adsorbed on weathered micaceous minerals (mica) in soils. Although it is clear that weathered mica has selective adsorption…”
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Relationships between Paddy Soil Radiocesium Interception Potentials and Physicochemical Properties in Fukushima, Japan by Nakao, Atsushi, Takeda, Akira, Ogasawara, Sho, Yanai, Junta, Sano, Oki, Ito, Toyoaki

“…The radiocesium interception potential (RIP) of bulk soil (RIPsoil) can reliably be used to predict the magnitude of soil‐to‐plant radiocesium transfer. There…”
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Long‐term changes in paddy soil fertility in tropical Asia after 50 years of the Green Revolution by Yanai, Junta, Tanaka, Sota, Nakao, Atsushi, Abe, Susumu S., Hirose, Mina, Sakamoto, Keita, Masai, Fukiko, Saito, Haruyoshi, Kajiwara, Nao, Dejbhimon, Ketsuda, Sriprachote, Anongnat, Kanyawongha, Porntiva, Lattirasuvan, Thanakorn, Timbas, Nicola, Medina, Simplicio, Paing, Tan Ngai, Yusoff, Khairul Hafiz Mohd, Wakatsuki, Toshiyuki, Kyuma, Kazutake

“…Over 50 years of the Green Revolution since the 1960s, the global population has increased by 2.5 times, cereal production by 3.3 times and the use of N, P and…”
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