Faculty Profiles - EHARA Hiroshi

Papers - EHARA Hiroshi

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Effects of wet milling sago pith waste on yield and physical properties of sago starch Reviewed International journal

Santoso, H, Sakakura, K, Naito, H, Ohmi, M, Nishimura, Y, Uchiyama, T, Itaya, A, Hisamatsu, M, Ehara, H, Mishima, T

International Journal of Engineering & Technology Vol. 17 ( 2 ) page： 1 - 6 2017.4

A rapid quantification method for tissue Na+ and K+ concentrations in salt-tolerant and susceptible accessions in Vigna vexillata (L.) A. Rich Reviewed International coauthorship International journal

Kohtaro Iseki, Rusama Marubodee, Hiroshi Ehara, Norihiko Tomooka

PLANT PRODUCTION SCIENCE Vol. 20 ( 1 ) page： 144 - 148 2017

Language：English Publishing type：Research paper (scientific journal) Publisher：TAYLOR & FRANCIS LTD

A rapid quantification method for leaf sodium (Na+) and potassium (K+) concentrations was developed using a compact ion meter. Leaf ion concentrations were evaluated for species of Vigna vexillata (L.) A. Rich. after two weeks of treatment with 0-200 mM of sodium chloride. To compare the ion extraction efficiency, extraction solutions of distilled water and ammonium acetate were tested. The ion concentrations of extracts obtained by both solutions were measured using an ion meter, and the values were validated using ion chromatography. For both extraction solutions, the ion meter values were highly correlated with those of the ion chromatograph. However, correlations between ion meter and chromatograph values were largely different for Na+ and K+. The rapid quantification of ion concentrations using an ion meter developed in this study was successfully utilized for evaluating differences in leaf Na+ concentrations, K+ concentrations, and K+/ Na+ ratio in species of V. vexillata.

DOI： 10.1080/1343943X.2016.1251826

Web of Science

Scopus

Effect of biogas effluent from pig manure and durian residues on soil chemical property and growth of marigold Reviewed International journal

Chit-aree, L, Ehara, H, Chakhatrakan, S, Prathumyot, W, Frank, B. M

International Journal of Agricultural Technology Vol. 13 ( 7.1 ) page： 1285 - 1293 2017

Effect of different aluminum concentrations in culture media on growth characteristics of sago palm seedlings Reviewed International coauthorship

Chutimanulul, P., T. Inagaki, H. Naito, M. Goto and H. Ehara

SAGO PALM Vol. 24 ( 1 ) page： 1-19 2016.8

Growth characteristics of two Indonesian rice cultivars under several submerged durations Reviewed

Irmawati, H. Ehara, I. Kodama, M. Osawa, R. A. Suwignyo, A. Junaedi and J. Sakagami

Tropical Agriculture and Development Vol. ６０ ( １ ) page： 40−47 2016.3

Effects of the Higher Top to Basal Nitrogen Dressing Ratio on Growth and Yield of Wheat Reviewed

Watanabe Kazuhiro, Nakazono Kou, Nakamura Daisuke, Nishitani Tomohiro, Nishimura Natsuki, Matsushima Hiroaki, Tanio Masahiko, Ehara Hiroshi

Japanese Journal of Crop Science Vol. 85 ( 4 ) page： 373 - 384 2016

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：CROP SCIENCE SOCIETY OF JAPAN

<p>In order to develop a high-yielding culture method for wheat we examined the effects of a higher top to basal nitrogen dressing ratio (HTBD) on the growth and yield of the new lodging tolerant variety "Satonosora" for two years. The reduced basal dressing accompanied with increased top dressing, increased the leaf area index (LAI) after jointing stage, and maintained a high net assimilation rate (NAR) during the late ripening period resulting in increased dry matter production. On the other hand, smaller stem number due to reduced basal dressing and plentiful nitrogen top dressing at the jointing stage were considered to alleviate competition of assimilate and nitrogen among stems and improved stem survival rate, resulting in both larger panicle number and panicle size. High NAR during the late ripening period might also increase the 1000 grain weight. As a result of the increased dry matter production and yield components, a HTBD increased the yield of wheat by 15 - 50%. On the other hand, some problems hindering practical use were clarified; delay of maturation, decline in the apparent quality, excess grain protein content, and acceleration of soil acidification. </p>

DOI： 10.1626/jcs.85.373

Scopus

CiNii Books

CiNii Research

Rural socio-economic development: A comparative study of Thai and Japanese experiences on organic Farming Reviewed International journal

Suindramedhi, S, Tokuda, H, Ehara, H

GMSARN International Journal Vol. 10 page： 57 - 68 2016

Durian residues as potential resource for biogas;production in;an;anaerobic systemInternational Journal of Agricultural Technology 12(7.1): 1265-1273 Reviewed

Prathumyot, W, Prasopphonrangsi, P, Chit-aree, L, Ehara, H, Chakhatrakan, S

International Journal of Agricultural Technology Vol. 12 ( 7.1 ) page： 1265 - 1273 2016

Swamp rice cultivation in South Sumatra, Indonesia: an overview Reviewed

Irmawati1, H. Ehara, R. A. Suwignyo and J. Sakagami

Trop. Agr. Develop. Vol. 59 page： 35-39 2015

Salt tolerance in wild relatives of adzuki bean, Vigna angularis (Willd.) Ohwi et Ohashi Reviewed

Yoshida,Y., R. Marubodee, E. Ogiso-Tanaka, K. Iseki, T. Isemura, Y. Takahashi, C. Muto, K. Naito, A. Kaga,K. Okuno, H. Ehara and N. Tomooka

Genetic Resources and Crop Evolution 2015

Construction of an SSR and RAD-marker based molecular linkage map of Vigna vexillata (L.) A. Rich. Reviewed

Marubodee, R., E. Ogiso-Tanaka, T. Isemura, S. Chankaew, A. Kaga, K. Naito, H. Ehara and N. Tomooka

PLoS ONE 2015

Rate of assimilation total and relative growth of drought tolerant rice on paddy system (Laju asimilasi bersih dan laju tumbuh relatif varietas padi toleran kekeringan pada sistem sawah) Reviewed International coauthorship

Maisura, Chozin, M. A., Lubis, I., Junaedi, A. and Ehara, H.

Jurnal Agrium Vol. 12 ( 1 ) page： 10 - 16 2015

Effects of micro powder milling on physicochemical properties of sago starch Reviewed International coauthorship

Santoso, B., Sakakura, K., Naito, H., Ohmi, M., Nishimura, N., Uchiyama, T., Itaya, A., Hisamatsu, H., Ehara, H. and Mishima, T.

Journal of Applied Glycoscience Vol. 62 page： 73 - 80 2015

Growth response and nutrient concentrations of sago palm under aluminum stress

Anugoolprasert, O., H. Ehara and H. Naito

TIJSAT Vol. 19 page： 37-52 2014

Some physiological character responses of rice under drought conditions in a paddy system Reviewed

Maisura, M. A. Chozin, I. Lubis, A. Junaedi and H. Ehara

J. ISSAAS Vol. 20 page： 104-114 2014

Growth of sago palm seedlings under different soil pH conditions at the experimental farm in Kendari, Indonesia Reviewed

Chutimanukul, P., H. Tanaka, H. Naito, T. Inagaki, Y. B. Pasolon, M. S. Padang, T. Mishima, Y. Nishimura, A. Itaya, T. Uchiyama, A. Junaedi and H. Ehara

SAGO PALM Vol. 22 page： 13-19 2014

Preparation of biodegradable foam from sago residue Reviewed

Utami, A. S., T. C. Sunarti, N. Isono, M. Hisamatsu and H. Ehara

SAGO PALM Vol. 22 page： 1-5 2014

Comparison of young seedling growth and sodium distribution among sorghum plants under salt stress Reviewed

Chaugool, J., H. Naito, S. Kasuga and H. Ehara

Plant Prod. Sci. Vol. 16 page： 261-270 2013

Nutritional evaluation and in vitro ruminal fermentation of sorghum cultivars Reviewed

Chaugool, J., M. Kondo, S. Kasuga, H. Naito, M. Goto and H. Ehara

J. Food Agr. Environ. Vol. 11 page： 345-351 2013

サゴヤシ資源の生産・流通実態と今後の展望−インドネシア南東スラウェシを事例として− Reviewed

内山智裕，西村美彦，パソロン Y. B.，江原　宏

農業経済論文集 Vol. 2013年度 page： 327-331 2013

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