International Agricultural Engineering Journal

International Agricultural Engineering Journal (IAEJ) was launched at the Asian Institute of Technology (AIT), Bangkok, Thailand in 1992. Since 1992, IAEJ has been sponsored and published by the Asian Association for Agricultural Engineering (AAAE) with a frequency of four issues per year and it is the official journal of AAAE. It is published only in print copy and over 350 papers in 20 volumes have been published during past 20 years. IAEJ is an international and multidisciplinary journal. The major goal of this journal is to communicate advances in agricultural engineering, with a particular preference to Asia, to researchers, practicing engineers and decision makers of developing countries. IAEJ publishes peer-reviewed research papers (both theoretical and applied) and state-of-the-art reviews related to agricultural and biosystems engineering. Its scope includes soil and water engineering, farm machinery, ergonomics, farm structures, renewable energy, postharvest technology, food process engineering, agricultural biotechnology, IT in agriculture, and emerging technologies. Subjects of basic engineering and science such as instrumentation, precision agriculture, protected cultivation, global warming, climate change, terramechanics, environment in agriculture, and new materials are also included in the scope of IAEJ. IAEJ publishes original papers only and the submission of a manuscript will be taken to imply that the contributions are original and that no similar manuscript has been or is being submitted to other journals. Manuscripts are solicited from all areas of specialization in agricultural and biosystems engineering. It is a valuable service provided by AAAE to its members to publish papers in “International Agricultural Engineering Journal” regularly. IAEJ adopts Chicago Style and follows the ‘IAEJ Guidelines for Authors’ strictly.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Agricultural and Biological Sciences (miscellaneous)	1999	Q3
Agricultural and Biological Sciences (miscellaneous)	2000	Q4
Agricultural and Biological Sciences (miscellaneous)	2001	Q4
Agricultural and Biological Sciences (miscellaneous)	2002	Q2
Agricultural and Biological Sciences (miscellaneous)	2003	Q4
Agricultural and Biological Sciences (miscellaneous)	2004	Q3
Agricultural and Biological Sciences (miscellaneous)	2005	Q3
Agricultural and Biological Sciences (miscellaneous)	2006	Q4
Agricultural and Biological Sciences (miscellaneous)	2007	Q3
Agricultural and Biological Sciences (miscellaneous)	2008	Q4
Agricultural and Biological Sciences (miscellaneous)	2009	Q3
Agricultural and Biological Sciences (miscellaneous)	2010	Q3
Agricultural and Biological Sciences (miscellaneous)	2011	Q4
Agricultural and Biological Sciences (miscellaneous)	2012	Q3
Agricultural and Biological Sciences (miscellaneous)	2013	Q3
Agricultural and Biological Sciences (miscellaneous)	2014	Q4
Agricultural and Biological Sciences (miscellaneous)	2015	Q4
Agricultural and Biological Sciences (miscellaneous)	2016	Q4
Agricultural and Biological Sciences (miscellaneous)	2017	Q4
Agricultural and Biological Sciences (miscellaneous)	2018	Q3
Agricultural and Biological Sciences (miscellaneous)	2019	Q4
Agricultural and Biological Sciences (miscellaneous)	2020	Q4
Agricultural and Biological Sciences (miscellaneous)	2021	Q4
Agricultural and Biological Sciences (miscellaneous)	2022	Q4
Agricultural and Biological Sciences (miscellaneous)	2023	Q4
Mechanical Engineering	1999	Q3
Mechanical Engineering	2000	Q4
Mechanical Engineering	2001	Q3
Mechanical Engineering	2002	Q2
Mechanical Engineering	2003	Q3
Mechanical Engineering	2004	Q3
Mechanical Engineering	2005	Q3
Mechanical Engineering	2006	Q3
Mechanical Engineering	2007	Q3
Mechanical Engineering	2008	Q3
Mechanical Engineering	2009	Q3
Mechanical Engineering	2010	Q3
Mechanical Engineering	2011	Q4
Mechanical Engineering	2012	Q4
Mechanical Engineering	2013	Q3
Mechanical Engineering	2014	Q4
Mechanical Engineering	2015	Q4
Mechanical Engineering	2016	Q4
Mechanical Engineering	2017	Q4
Mechanical Engineering	2018	Q3
Mechanical Engineering	2019	Q4
Mechanical Engineering	2020	Q4
Mechanical Engineering	2021	Q4
Mechanical Engineering	2022	Q4
Mechanical Engineering	2023	Q4

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
1999	0.120
2000	0.102
2001	0.111
2002	0.239
2003	0.115
2004	0.150
2005	0.114
2006	0.117
2007	0.159
2008	0.123
2009	0.145
2010	0.166
2011	0.130
2012	0.151
2013	0.192
2014	0.118
2015	0.138
2016	0.158
2017	0.135
2018	0.177
2019	0.140
2020	0.142
2021	0.116
2022	0.116
2023	0.115

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
1999	20
2000	18
2001	17
2002	17
2003	13
2004	17
2005	26
2006	23
2007	18
2008	5
2009	14
2010	27
2011	50
2012	26
2013	43
2014	35
2015	99
2016	90
2017	146
2018	165
2019	179
2020	168
2021	0
2022	0
2023	0

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	0.171
Cites / Doc. (4 years)	2000	0.164
Cites / Doc. (4 years)	2001	0.082
Cites / Doc. (4 years)	2002	0.219
Cites / Doc. (4 years)	2003	0.111
Cites / Doc. (4 years)	2004	0.108
Cites / Doc. (4 years)	2005	0.203
Cites / Doc. (4 years)	2006	0.123
Cites / Doc. (4 years)	2007	0.215
Cites / Doc. (4 years)	2008	0.119
Cites / Doc. (4 years)	2009	0.181
Cites / Doc. (4 years)	2010	0.267
Cites / Doc. (4 years)	2011	0.281
Cites / Doc. (4 years)	2012	0.240
Cites / Doc. (4 years)	2013	0.368
Cites / Doc. (4 years)	2014	0.192
Cites / Doc. (4 years)	2015	0.156
Cites / Doc. (4 years)	2016	0.192
Cites / Doc. (4 years)	2017	0.221
Cites / Doc. (4 years)	2018	0.346
Cites / Doc. (4 years)	2019	0.240
Cites / Doc. (4 years)	2020	0.253
Cites / Doc. (4 years)	2021	0.179
Cites / Doc. (4 years)	2022	0.223
Cites / Doc. (4 years)	2023	0.179
Cites / Doc. (3 years)	1999	0.171
Cites / Doc. (3 years)	2000	0.093
Cites / Doc. (3 years)	2001	0.085
Cites / Doc. (3 years)	2002	0.255
Cites / Doc. (3 years)	2003	0.077
Cites / Doc. (3 years)	2004	0.128
Cites / Doc. (3 years)	2005	0.213
Cites / Doc. (3 years)	2006	0.125
Cites / Doc. (3 years)	2007	0.242
Cites / Doc. (3 years)	2008	0.075
Cites / Doc. (3 years)	2009	0.174
Cites / Doc. (3 years)	2010	0.432
Cites / Doc. (3 years)	2011	0.217
Cites / Doc. (3 years)	2012	0.253
Cites / Doc. (3 years)	2013	0.311
Cites / Doc. (3 years)	2014	0.134
Cites / Doc. (3 years)	2015	0.173
Cites / Doc. (3 years)	2016	0.192
Cites / Doc. (3 years)	2017	0.232
Cites / Doc. (3 years)	2018	0.355
Cites / Doc. (3 years)	2019	0.264
Cites / Doc. (3 years)	2020	0.253
Cites / Doc. (3 years)	2021	0.160
Cites / Doc. (3 years)	2022	0.210
Cites / Doc. (3 years)	2023	0.173
Cites / Doc. (2 years)	1999	0.087
Cites / Doc. (2 years)	2000	0.069
Cites / Doc. (2 years)	2001	0.105
Cites / Doc. (2 years)	2002	0.171
Cites / Doc. (2 years)	2003	0.118
Cites / Doc. (2 years)	2004	0.100
Cites / Doc. (2 years)	2005	0.200
Cites / Doc. (2 years)	2006	0.093
Cites / Doc. (2 years)	2007	0.184
Cites / Doc. (2 years)	2008	0.073
Cites / Doc. (2 years)	2009	0.348
Cites / Doc. (2 years)	2010	0.316
Cites / Doc. (2 years)	2011	0.220
Cites / Doc. (2 years)	2012	0.182
Cites / Doc. (2 years)	2013	0.276
Cites / Doc. (2 years)	2014	0.101
Cites / Doc. (2 years)	2015	0.218
Cites / Doc. (2 years)	2016	0.187
Cites / Doc. (2 years)	2017	0.233
Cites / Doc. (2 years)	2018	0.369
Cites / Doc. (2 years)	2019	0.244
Cites / Doc. (2 years)	2020	0.224
Cites / Doc. (2 years)	2021	0.124
Cites / Doc. (2 years)	2022	0.238
Cites / Doc. (2 years)	2023	0.000

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	0
Self Cites	2000	0
Self Cites	2001	1
Self Cites	2002	8
Self Cites	2003	1
Self Cites	2004	2
Self Cites	2005	0
Self Cites	2006	1
Self Cites	2007	0
Self Cites	2008	0
Self Cites	2009	0
Self Cites	2010	1
Self Cites	2011	1
Self Cites	2012	1
Self Cites	2013	7
Self Cites	2014	1
Self Cites	2015	3
Self Cites	2016	9
Self Cites	2017	13
Self Cites	2018	45
Self Cites	2019	35
Self Cites	2020	38
Self Cites	2021	0
Self Cites	2022	0
Self Cites	2023	0
Total Cites	1999	6
Total Cites	2000	4
Total Cites	2001	4
Total Cites	2002	14
Total Cites	2003	4
Total Cites	2004	6
Total Cites	2005	10
Total Cites	2006	7
Total Cites	2007	16
Total Cites	2008	5
Total Cites	2009	8
Total Cites	2010	16
Total Cites	2011	10
Total Cites	2012	23
Total Cites	2013	32
Total Cites	2014	16
Total Cites	2015	18
Total Cites	2016	34
Total Cites	2017	52
Total Cites	2018	119
Total Cites	2019	106
Total Cites	2020	124
Total Cites	2021	82
Total Cites	2022	73
Total Cites	2023	29

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	0.171
External Cites per document	2000	0.093
External Cites per document	2001	0.064
External Cites per document	2002	0.109
External Cites per document	2003	0.058
External Cites per document	2004	0.085
External Cites per document	2005	0.213
External Cites per document	2006	0.107
External Cites per document	2007	0.242
External Cites per document	2008	0.075
External Cites per document	2009	0.174
External Cites per document	2010	0.405
External Cites per document	2011	0.196
External Cites per document	2012	0.242
External Cites per document	2013	0.243
External Cites per document	2014	0.126
External Cites per document	2015	0.144
External Cites per document	2016	0.141
External Cites per document	2017	0.174
External Cites per document	2018	0.221
External Cites per document	2019	0.177
External Cites per document	2020	0.176
External Cites per document	2021	0.160
External Cites per document	2022	0.210
External Cites per document	2023	0.173
Cites per document	1999	0.171
Cites per document	2000	0.093
Cites per document	2001	0.085
Cites per document	2002	0.255
Cites per document	2003	0.077
Cites per document	2004	0.128
Cites per document	2005	0.213
Cites per document	2006	0.125
Cites per document	2007	0.242
Cites per document	2008	0.075
Cites per document	2009	0.174
Cites per document	2010	0.432
Cites per document	2011	0.217
Cites per document	2012	0.253
Cites per document	2013	0.311
Cites per document	2014	0.134
Cites per document	2015	0.173
Cites per document	2016	0.192
Cites per document	2017	0.232
Cites per document	2018	0.355
Cites per document	2019	0.264
Cites per document	2020	0.253
Cites per document	2021	0.160
Cites per document	2022	0.210
Cites per document	2023	0.173

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	0.00
2000	0.00
2001	0.00
2002	23.53
2003	7.69
2004	17.65
2005	11.54
2006	8.70
2007	16.67
2008	60.00
2009	35.71
2010	33.33
2011	6.00
2012	7.69
2013	20.93
2014	20.00
2015	18.18
2016	24.44
2017	12.33
2018	8.48
2019	9.50
2020	7.14
2021	0
2022	0
2023	0

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	0
Non-citable documents	2000	0
Non-citable documents	2001	0
Non-citable documents	2002	0
Non-citable documents	2003	0
Non-citable documents	2004	0
Non-citable documents	2005	0
Non-citable documents	2006	1
Non-citable documents	2007	3
Non-citable documents	2008	3
Non-citable documents	2009	2
Non-citable documents	2010	1
Non-citable documents	2011	4
Non-citable documents	2012	5
Non-citable documents	2013	4
Non-citable documents	2014	1
Non-citable documents	2015	0
Non-citable documents	2016	0
Non-citable documents	2017	0
Non-citable documents	2018	0
Non-citable documents	2019	0
Non-citable documents	2020	0
Non-citable documents	2021	0
Non-citable documents	2022	0
Non-citable documents	2023	0
Citable documents	1999	35
Citable documents	2000	43
Citable documents	2001	47
Citable documents	2002	55
Citable documents	2003	52
Citable documents	2004	47
Citable documents	2005	47
Citable documents	2006	55
Citable documents	2007	63
Citable documents	2008	64
Citable documents	2009	44
Citable documents	2010	36
Citable documents	2011	42
Citable documents	2012	86
Citable documents	2013	99
Citable documents	2014	118
Citable documents	2015	104
Citable documents	2016	177
Citable documents	2017	224
Citable documents	2018	335
Citable documents	2019	401
Citable documents	2020	490
Citable documents	2021	512
Citable documents	2022	347
Citable documents	2023	168

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	31
Uncited documents	2000	39
Uncited documents	2001	44
Uncited documents	2002	46
Uncited documents	2003	48
Uncited documents	2004	41
Uncited documents	2005	39
Uncited documents	2006	51
Uncited documents	2007	59
Uncited documents	2008	62
Uncited documents	2009	40
Uncited documents	2010	28
Uncited documents	2011	39
Uncited documents	2012	78
Uncited documents	2013	81
Uncited documents	2014	107
Uncited documents	2015	90
Uncited documents	2016	152
Uncited documents	2017	179
Uncited documents	2018	256
Uncited documents	2019	326
Uncited documents	2020	399
Uncited documents	2021	446
Uncited documents	2022	295
Uncited documents	2023	147
Cited documents	1999	4
Cited documents	2000	4
Cited documents	2001	3
Cited documents	2002	9
Cited documents	2003	4
Cited documents	2004	6
Cited documents	2005	8
Cited documents	2006	5
Cited documents	2007	7
Cited documents	2008	5
Cited documents	2009	6
Cited documents	2010	9
Cited documents	2011	7
Cited documents	2012	13
Cited documents	2013	22
Cited documents	2014	12
Cited documents	2015	14
Cited documents	2016	25
Cited documents	2017	45
Cited documents	2018	79
Cited documents	2019	75
Cited documents	2020	91
Cited documents	2021	66
Cited documents	2022	52
Cited documents	2023	21