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Ryoichi Doi
Observed names:
R D Doi,
R Doi,
R. Doi,
RYOICHI DOI,
Ryoichi DOI,
Ryouichi Doi
show all 6
Institutions:
Daito Bunka University,
University of Algarve
Observed institutions:
Osaka Prefecture University,
Kanagawa Institute of Technology,
Daito Bunka University,
Asian Institute of Technology,
Ehime University,
Nagoya University,
University of Algarve,
The University of Tokyo,
University of Rajasthan
show all 9
ORCID:
0000-0002-3023-0136
Observed ORCID:
0000-0002-3023-0136
OpenAlex ID:
A5055803507
Works
47
Awards
2
Estimation of soil moisture in paddy field using Artificial Neural Networks
2012
·
Chusnul Arif
, Masaru Mizoguchi
, et al.
·
INTERNATIONAL JOURNAL OF ADVANCED RESEARCH IN ARTIFICIAL INTELLIGENCE
·
68
PDF
Soil dehydrogenase in a land degradation-rehabilitation gradient: observations from a savanna site with a wet/dry seasonal cycle
2013
·
Ryoichi Doi
, Senaratne Leelananda Ranamukhaarachchi
·
Revista de Biología Tropical
·
38
PDF
Indirect conductimetric assay of antibacterial activities
2002
·
J Sawai
, R Doi
, et al.
·
Journal of Industrial Microbiology & Biotechnology
·
34
PDF
Correlations between soil microbial and physicochemical variations in a rice paddy: implications for assessing soil health
2009
·
Ryoichi Doi
, Senaratne Leelananda Ranamukhaarachchi
·
Journal of Biosciences
·
33
Estimating Crop Coefficient in Intermittent Irrigation Paddy Fields Using Excel Solver
2012
·
Chusnul ARIF
, Budi Indra SETIAWAN
, et al.
·
Rice Science
·
29
Are New Residential Areas Cooler than Older Ones?
2022
·
Ryoichi Doi
·
Emerging Science Journal
·
22
PDF
Estimation of Water Balance Components in Paddy Fields under Non-Flooded Irrigation Regimes by using Excel Solver
2012
·
Chusnul Arif
, Budi Indra Setiawan
, et al.
·
Journal of Agronomy
·
21
Semiquantitative color profiling of soils over a land degradation gradient in Sakaerat, Thailand
2009
·
Ryoichi Doi
, Chongrak Wachrinrat
, et al.
·
Environmental Monitoring and Assessment
·
17
Principal components derived from soil physicochemical data explained a land degradation gradient, and suggested the applicability of new indexes for estimation of soil productivity in the Sakaerat Environmental Research Station, Thailand
2004
·
Ryoichi Doi
, Katsutoshi Sakurai
·
International Journal of Sustainable Development & World Ecology
·
17
Slow restoration of soil microbial functions in an Acacia plantation established on degraded land in Thailand
2013
·
R. Doi
, S. L. Ranamukhaarachchi
·
International Journal of Environmental Science and Technology
·
13
PDF
Simple luminosity normalization of greenness, yellowness and redness/greenness for comparison of leaf spectral profiles in multi-temporally acquired remote sensing images
2012
·
Ryoichi Doi
·
Journal of Biosciences
·
13
Vegetational response of rainfall in Rajasthan using AVHRR imagery
2001
·
R D Doi
·
Journal of the Indian Society of Remote Sensing
·
11
Quantification of leaf greenness and leaf spectral profile in plant diagnosis using an optical scanner
2012
·
Ryoichi Doi
·
Ciência e Agrotecnologia
·
10
PDF
Feasibility of system of rice intensification practices in natural and socioeconomic contexts in Thailand
2013
·
Ryoichi Doi
, Masaru Mizoguchi
·
International Journal of Sustainable Development & World Ecology
·
9
Correlation of the Initial bacterial concentration and detection time in indirect conductimetric assay.
2002
·
JUN SAWAI
, RYOICHI DOI
, et al.
·
Biocontrol Science
·
9
PDF
Assessing the reforestation effects of plantation plots in the Thai savanna based on 45 cm resolution true-color images and machine learning
2020
·
Ryoichi Doi
·
Environmental Research Letters
·
8
PDF
Improved discrimination among similar agricultural plots using red-and-green-based pseudo-colour imaging
2016
·
Ryoichi Doi
·
International Agrophysics
·
8
PDF
Red-and-green-based pseudo-RGB color models for the comparison of digital images acquired under different brightness levels
2014
·
Ryoichi Doi
·
Journal of Modern Optics
·
8
From Maximization to Optimization: A Paradigm Shift in Rice Production in Thailand to Improve Overall Quality of Life of Stakeholders
2014
·
Ryoichi Doi
, Supachai Pitiwut
·
The Scientific World JOURNAL
·
7
PDF
Discriminating crop and other canopies by overlapping binary image layers
2013
·
Ryoichi Doi
·
Optical Engineering
·
7
PDF
Discriminating between canopies of natural forest and Acacia plantation plots in a Google Earth image to evaluate forest land rehabilitation by Acacia species.
2010
·
Ryoichi Doi
, S. L. Ranamukhaarachchi
·
International Journal of Agriculture and Biology
·
7
Community-level physiological profiling in monitoring rehabilitative effects of Acacia auriculiformis plantation on degraded land in Sakaerat, Thailand
2009
·
Ryoichi Doi
, Senaratne Ranamukhaarachchi
·
Silva Fennica
·
7
PDF
Soil environmental factors relating to diversity of culturable soil bacterial communities in the Sakaerat Environmental Research Station, Thailand
2003
·
Ryoichi DOI
, Katsutoshi SAKURAI
·
Tropics
·
7
PDF
Precise micromolar-level glucose determination using a glucose test strip for quick and approximate millimolar-level estimation
2014
·
Ryoichi DOI
·
Analytical Methods
·
6
Increase in the Competitive Nodulation Ability of Bradyrhizobium japonicum Strains Grown in Purified Water.
1996
·
TAKASHI OZAWA
, RYOICHI DOI
·
Microbes and Environments
·
6
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Works count:
47
Citation count:
459
H-index:
11
I10-index:
13
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