Search Results 1-20 of 215

  • Impact of Atrazine Exposure on the Microbial Community Structure in a Brazilian Tropical Latosol Soil

    Fernandes Ana Flavia Tonelli , Wang Ping , Staley Christopher , Aparecida Silva Moretto Jéssica , Miguel Altarugio Lucas , Chagas Campanharo Sarah , Guedes Stehling Eliana , Jay Sadowsky Michael

    … Its main route of complete degradation is via biological means, which is carried out by soil microbiota using a 6-step pathway. … The aim of the present study was to investigate whether application of atrazine to soil changes the soil bacterial community. …

    Microbes and Environments 35(2), n/a, 2020


  • Application of Fine Bubble Water to Rinsing in the Laundry Process  [in Japanese]

    TAGAWA Yumiko , NISHIMURA Erina , GOTOH Keiko

    <p> 水系洗濯におけるファインバブル水の効果的な利用を目的として, すすぎ過程での適用が布の洗浄性に及ぼす影響について調べた. 基布には, ポリエステルのスパン布およびフィラメント布を用い, モデル汚れとしてカーボンブラック, 赤土, またはステアリン酸を付着させた汚染布を作製した. 洗浄液にはドデシル硫酸ナトリウム水溶液を用い, 機械力有 (超音波/振とう併用洗浄), または機械力 …

    Journal of Home Economics of Japan 70(4), 195-203, 2019


  • Metabolomic Evaluation of the Quality of Leaf Lettuce Grown in Practical Plant Factory to Capture Metabolite Signature

    Tamura Yoshio , Mori Tetsuya , Nakabayashi Ryo , Kobayashi Makoto , Saito Kazuki , Okazaki Seiichi , Wang Ning , Kusano Miyako , 王 寧 , 草野 都

    … However, soil is cheaper than hydroponic cultivation and the visual phenotype of vegetables grown under the two conditions is different. … As it is not clear whether their metabolite composition is also different, we studied leaf lettuce raised under the hydroponic condition in practical plant factory and strictly controlled soil condition. … We chose two representative cultivars, "black rose" (BR) and "red fire" (RF) because they are of high economic value. …

    Frontiers in plant science (9), 665, 2018-06


  • Polyphenol Production in <i>Peucedanum japonicum</i> Thunb. varies with Soil Type and Growth Stage

    Suwa Ryuichi , Tajima Hironori , Gima Shinichi , Uehara Naoko , Watanabe Kenta , Yabuta Shin , Tominaga Jun , Kawamitsu Yoshinobu

    … In this study, we aimed to investigate the effects of soil type (red, dark-red, and gray soil) and growth stage (vegetative and reproductive) on the growth and polyphenol production (chlorogenic acid, rutin, hesperidin, and diosmin) of <i>P. japonicum</i>. … Plants grown in gray soil had the heaviest dry weight, followed by those grown in dark-red soil. …

    The Horticulture Journal 87(3), 382-388, 2018


  • The Mechanism of Grayish White-Colored Soil Formation in Minami-Daito Island, Japan  [in Japanese]

    Kinjo Kazutoshi , Shimada Haruka

    … <p>Minami-daito island, which is situated in a sub-tropical area, contains red-yellow soil. … Recently, grayish white-colored soil was discovered around dead roots in the subsoil on the island. … In general, grayish white-colored soil is formed via iron dissolution by a low molecular-weight aliphatic carboxylic acid solution (LACA) in a cold setting; …

    Journal of the Clay Science Society of Japan (in Japanese) 56(1), 1-7, 2017


  • Growth of Winged Bean in Three Soil Types in Okinawa and the Effect of Phosphorus Nutrition

    鬼頭 誠 , 名嘉眞 健志 , 南雲 不二男 , Kitou Makoto , Nakama Takeshi , Nagumo Fujio

    沖縄に分布する酸性の赤色土、中性の暗赤色土、アルカリ性の灰色低地土の圃場で栽培したシカクマメ(Psophocarpus tetragonolobus)の生育量と収量を2007年と2008年の2年間調査した。全リンおよびCa型リン酸、A1型リン酸の最も少ない赤色土でシカクマメ生育量と収量はたの土壌に比べて有意に低下した。赤色土に石灰施用とリン施肥の有無による処理区を設けて栽培したシカクマメとハッショ …

    琉球大学農学部学術報告 (63), 45-50, 2016-12

    IR  JASI 

  • Analyses of Coloration-related Components in <i>Hydrangea</i> Sepals Causing Color Variability According to Soil Conditions

    Kodama Masaharu , Tanabe Yuta , Nakayama Masayoshi

    … 青色を安定的に発色する品種,および土壌条件によって色が赤色と紫色に変化する品種を 10 品種用いて,がく片の pH,アントシアニン,アルミニウム,5-<i>O</i>-caffeoylquinic acid,3-<i>O</i>-caffeoylquinic acid について,土壌条件と花色の安定性および花の色彩の関係を解析した.花色安定品種の変化は可変品種の変化よりも小さかったものの,いずれの品種もアルカリ性土壌で栽培した場 …

    The Horticulture Journal 85(4), 372-379, 2016


  • Effect of Phosphorus Absorption Enhanced by Application of Bagasse Vinegar on the Growth and Nutrient Uptake in Sugarcane  [in Japanese]

    Maesato Kazuhiro , Nakabaru Mai , Komiya Yasuaki , Ueno Masami , Kawamitsu Yoshinobu

    サトウキビの登熟期にバガスの炭化物製造時に発生するキビ酢液を株元土壌へ施用し,その後の生育や養分吸収に与える影響を明らかにするために栽培試験および土壌分析を実施した.キビ酢液の処理が水に対して難溶性を示すリン酸三カルシウムの溶解に及ぼす影響について調査した結果,リン酸のイオン化が促進され,難溶性無機リンの可溶化が認められた.栽培試験の結果から,施用濃度100,50,10倍区および原液区の茎生体重お …

    Japanese Journal of Crop Science 85(3), 309-315, 2016


  • Aluminum and nutrient interplay across an age-chronosequence of tea plantations within a hilly red soil farm of subtropical China

    Fang Xiang-Min , Chen Fu-Sheng , Hu Xiao-Fei , Yuan Ping-Cheng , Li Jing , Chen Xi

    … 0.05), and soil Al bioavailability was positively correlated with Al concentrations in most plant organs. … Significant negative relations among pH and most extractable Al fractions in both soil layers suggested that decreased pH would directly alter soil-plant Al cycling due to exogenous nitrogen (N) fertilizer and atmospheric acid deposition. …

    Soil Science and Plant Nutrition 60(4), 448-459, 2014-06-23


  • Studies on Reuse and Circulation of Phosphorus Accumulated in the Dark-Red Soil in Miyako Island  [in Japanese]

    Maesato Kazuhiro , Ueno Masami , Kawamitsu Yoshinobu

    Abstracts of Meeting of the CSSJ 238(0), 19, 2014


  • Microbial Production of Novel Pigments from Black Rice Anthocyanin

    Saigusa Noriaki , Yamamoto Keiko , Tsutsui Masahiko , Teramoto Yuji

    … We screened soil microorganisms with the potential to modify the structure of black rice anthocyanin. … After culturing the microorganisms on PDA medium containing black rice anthocyanin, caffeic acid, p-hydroxybenzoic acid, ferulic acid, and malonic acid for 4 days at 30°C, one strain that changed the red medium to reddish purple was isolated. …

    Food Science and Technology Research 20(5), 1013-1016, 2014


  • A Cultivation Method for Lettuce and Spinach with High Levels of Vitamin C Using Potassium Restriction

    OGAWA Atsushi , FUJITA Sen , TOYOFUKU Kyoko

    … In this study, changes in the levels of ascorbic acid and dehydroascorbic acid (vitamin C content) in lettuce and spinach by potassium restriction from the middle of the cultivation stage using a water culture medium were examined. … Vitamin C content in green lettuce, frilly lettuce, and spinach after potassium restriction were 1.9, 1.5, and 1.4 times higher than that in the control, respectively, whereas that in red leaf lettuce did not change. …

    Environment Control in Biology 52(2), 95-99, 2014


  • Genesis and classification of soils derived from serpentine and basalt on Mt. Mineoka, south Boso peninsula  [in Japanese]

    MAEJIMA Yuji , OHKURA Toshiaki , KUSUMOTO Yoshinobu , TAKATA Yusuke

    … また,WRB(2006)とSoil Taxonomy(2010)では,Ka-3とKa-4はともにCambisolまたはInceptisolに相当し,塩基飽和度により下位カテゴリーで細分された。 … しかし,WRB(2006)ではChromicを付記することにより,暗赤色を表記できるが,Soil Taxonomyでは土色は反映されなかった。 …

    Pedologist 58(1), 2-16, 2014


  • Red soils derived from limestone contain higher amounts of trace elements than those derived from various other parent materials

    Yamasaki Shin-ichi , Takeda Akira , Nunohara Keishi , Tsuchiya Noriyoshi

    … The concentrations of 48 trace elements (Li, Be, Sc, V, Cr, Co, Ni, Cu, Zn, Ga, As, Br, Rb, Sr, Y, Zr, Nb, Mo, Ag, In, Cd, Sn, Sb, I, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Tl, Pb, Bi, Th and U) in 14 soils derived from limestone, sampled at three sites, are compared with the concentrations in 500 soil samples derived from a variety of other parent materials. … The 500 samples were collected from 75 sites nationwide in order to include the wide range of common soil types in Japan. …

    Soil Science and Plant Nutrition 59(5), 692-699, 2013-10-21


  • Characteristics and classification of soils on the 21th pedologist training course in Kikai Island, Ryukyus(Pedon paper)  [in Japanese]

    MAEJIMA Yuji , ASANO Maki


    Pedologist 57(1), 45-53, 2013


  • Effect of Calcium Carbonate and Phosphoric Acid Application on Growth of Several Tropical Grasses in Acid Soil in Okinawa Prefecture  [in Japanese]

    Yara Tomonori , Kawamoto Yasuhiro

    酸性赤黄色土壌の国頭マージ土壌における土壌pHの矯正と可給態リン酸含量との関係から炭酸カルシウムおよびリン酸の至適施用量を明らかにするために,スーダングラス(品種 リッチスーダン),シグナルグラス(品種 Basilisk)およびパンゴラグラス(品種 トランスパーラ)を用いたポット栽培試験を行った。炭酸カルシウムの施用に伴い,土壌中の交換性アルミニウム含量は著しく低下した。炭酸カルシウムによるpH矯 …

    Japanese Journal of Grassland Science 58(4), 221-229, 2013

    J-STAGE  JASI  References (49)

  • Elemental composition of agricultural soils in Japan in relation to soil type, land use and region

    YANAI Junta , OKADA Tatsuro , YAMADA Hidekazu

    … To evaluate representative elemental composition of agricultural soils in Japan and to investigate the relationship between elemental composition of agricultural soils and their soil type, land use and region in Japan, 180 soil samples were collected from the surface layer of paddy or upland fields in Japan and their total contents of 20 elements were determined. …

    Soil science and plant nutrition 58(1), 1-10, 2012-02-01

    DOI  References (17)

  • Elemental composition of agricultural soils in Japan in relation to soil type, land use, and region  [in Japanese]

    YANAI Junta , OKADA Tatsuro , YAMADA Hidekazu

    日本の農耕地土壌の元素組成を明らかにし,その土壌型・土地利用・地域との関係を調べるために,日本全国から採取した水田あるいは畑の表層土壌計180点について,20元素の全濃度を分析した.すなわち,微粉砕試料を硝酸・フッ化水素酸・過塩素酸で湿式分解後,溶液のAl, Fe, Ca, Mg, Ti, P, Mn, Ba, V, Sr, Zn, Cu, NiをICP-AESで,K, Naを原子吸光法でそれぞれ …

    Japanese Journal of Soil Science and Plant Nutrition 83(6), 673-680, 2012

    J-STAGE  JASI  References (19)

  • Isotopic effects on SO<sub>2</sub> photolysis and wavelength dependency

    Danielache Sebastian , Hattori Shohei , Ueno yuichiro , Yoshida Naohiro , Johnson M. S.

    … The photodissociation reaction by UV light initiates a complicated oxidation process which its final product sulfates and sulfuric acid form aerosols. … This chemical process is complemented by physical deposition which brings back sulfate aerosols to earth to become part of the soil and rocks. … The analysis of the recorded spectra shows that isotopic effects are constructed by a combination of red shifting and change in the absolute values absorption cross sections. …

    Abstracts of Annual Meeting of the Geochemical Society of Japan 58(0), 195-195, 2011


  • 71. Suppressing effect of a fertilizer (PKS) containing 5-aminolevulinic acid on the bolting of spinach grown in the summer  [in Japanese]

    Lee Jun , Funada Shigeyuki , Endo Fumiya , Takeuchi Yasutomo

    … Experiment 2: Test on the suppression of the bolting of spinach grown in the summer The seeds (cv.Lead) were seeded in the red soil field applied with the chemical fertilizer (N:P:K=5:5:5 kg/10a) and grown for 34 days. …

    The Janapese Society for Chemical Regulation of Plants, Abstract 46(0), 87, 2011


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