Class information for:
Level 1: MANAGEMENT ZONES//GEOSTATISTICS//PRECISION AGRICULTURE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
3352 2002 31.3 44%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
65 3       SOIL SCIENCE//SOIL SCIENCE SOCIETY OF AMERICA JOURNAL//GEODERMA 84825
1637 2             DIGITAL SOIL MAPPING//GEODERMA//SOIL SCIENCE 6959
3352 1                   MANAGEMENT ZONES//GEOSTATISTICS//PRECISION AGRICULTURE 2002

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 MANAGEMENT ZONES authKW 698164 3% 67% 68
2 GEOSTATISTICS authKW 574036 16% 12% 323
3 PRECISION AGRICULTURE authKW 547973 9% 19% 185
4 APPARENT ELECTRICAL CONDUCTIVITY authKW 497966 2% 82% 40
5 EM38 authKW 471946 2% 74% 42
6 SPATIAL VARIABILITY authKW 355540 11% 11% 213
7 GRP SOIL SPATIAL INVENTORY TECH address 311806 2% 66% 31
8 ELECTROMAGNETIC INDUCTION authKW 201994 4% 15% 86
9 SOIL ELECTRICAL CONDUCTIVITY authKW 182228 1% 44% 27
10 SITE SPECIFIC MANAGEMENT authKW 150634 2% 29% 34

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Soil Science 81242 38% 1% 760
2 Agriculture, Multidisciplinary 12854 17% 0% 339
3 Agricultural Engineering 9275 9% 0% 177
4 Agronomy 9183 18% 0% 367
5 Water Resources 2568 10% 0% 203
6 Geosciences, Multidisciplinary 832 9% 0% 171
7 Environmental Sciences 544 10% 0% 194
8 Archaeology 454 2% 0% 35
9 Computer Science, Interdisciplinary Applications 266 4% 0% 75
10 Mining & Mineral Processing 209 1% 0% 23

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 GRP SOIL SPATIAL INVENTORY TECH 311806 2% 66% 31
2 DON LUIS 123529 0% 90% 9
3 SOLOS ADUBOS 114770 2% 19% 39
4 SOIL MANAGEMENT 70470 2% 13% 37
5 AGR REMOTE SENSING INFORMAT TECHNOL PLIC 65891 1% 39% 11
6 GRP PESQUISA GROS 61003 0% 100% 4
7 BIOMATH DATABASES 48801 0% 80% 4
8 GRP PESQUISA GGEA 45752 0% 100% 3
9 LANDSC E AGROFO TRY SYST 45752 0% 100% 3
10 SECC EVALUAC RECURSOS AGR 45752 0% 100% 3

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PRECISION AGRICULTURE 161626 3% 16% 68
2 REVISTA BRASILEIRA DE CIENCIA DO SOLO 49921 4% 4% 86
3 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 49717 9% 2% 174
4 ENGENHARIA AGRICOLA 30109 2% 5% 43
5 GEODERMA 26058 5% 2% 96
6 COMPUTERS AND ELECTRONICS IN AGRICULTURE 21527 3% 2% 59
7 ARCHAEOLOGICAL PROSPECTION 20431 1% 7% 19
8 SOIL SCIENCE 16345 3% 2% 60
9 REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL 10749 1% 2% 30
10 AGRONOMY JOURNAL 10461 4% 1% 71

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 MANAGEMENT ZONES 698164 3% 67% 68 Search MANAGEMENT+ZONES Search MANAGEMENT+ZONES
2 GEOSTATISTICS 574036 16% 12% 323 Search GEOSTATISTICS Search GEOSTATISTICS
3 PRECISION AGRICULTURE 547973 9% 19% 185 Search PRECISION+AGRICULTURE Search PRECISION+AGRICULTURE
4 APPARENT ELECTRICAL CONDUCTIVITY 497966 2% 82% 40 Search APPARENT+ELECTRICAL+CONDUCTIVITY Search APPARENT+ELECTRICAL+CONDUCTIVITY
5 EM38 471946 2% 74% 42 Search EM38 Search EM38
6 SPATIAL VARIABILITY 355540 11% 11% 213 Search SPATIAL+VARIABILITY Search SPATIAL+VARIABILITY
7 ELECTROMAGNETIC INDUCTION 201994 4% 15% 86 Search ELECTROMAGNETIC+INDUCTION Search ELECTROMAGNETIC+INDUCTION
8 SOIL ELECTRICAL CONDUCTIVITY 182228 1% 44% 27 Search SOIL+ELECTRICAL+CONDUCTIVITY Search SOIL+ELECTRICAL+CONDUCTIVITY
9 SITE SPECIFIC MANAGEMENT 150634 2% 29% 34 Search SITE+SPECIFIC+MANAGEMENT Search SITE+SPECIFIC+MANAGEMENT
10 SEMIVARIOGRAM 144609 3% 18% 52 Search SEMIVARIOGRAM Search SEMIVARIOGRAM

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 DOOLITTLE, JA , BREVIK, EC , (2014) THE USE OF ELECTROMAGNETIC INDUCTION TECHNIQUES IN SOILS STUDIES.GEODERMA. VOL. 223. ISSUE . P. 33-45 86 88% 43
2 CORWIN, DL , LESCH, SM , (2005) APPARENT SOIL ELECTRICAL CONDUCTIVITY MEASUREMENTS IN AGRICULTURE.COMPUTERS AND ELECTRONICS IN AGRICULTURE. VOL. 46. ISSUE 1-3. P. 11-43 80 73% 246
3 CORWIN, DL , LESCH, SM , (2005) CHARACTERIZING SOIL SPATIAL VARIABILITY WITH APPARENT SOIL ELECTRICAL CONDUCTIVITY I. SURVEY PROTOCOLS.COMPUTERS AND ELECTRONICS IN AGRICULTURE. VOL. 46. ISSUE 1-3. P. 103-133 79 85% 112
4 YAO, RJ , YANG, JS , WU, DH , XIE, WP , GAO, P , WANG, XP , (2016) GEOSTATISTICAL MONITORING OF SOIL SALINITY FOR PRECISION MANAGEMENT USING PROXIMALLY SENSED ELECTROMAGNETIC INDUCTION (EMI) METHOD.ENVIRONMENTAL EARTH SCIENCES. VOL. 75. ISSUE 20. P. - 44 88% 0
5 CORWIN, DL , LESCH, SM , (2013) PROTOCOLS AND GUIDELINES FOR FIELD-SCALE MEASUREMENT OF SOIL SALINITY DISTRIBUTION WITH ECA-DIRECTED SOIL SAMPLING.JOURNAL OF ENVIRONMENTAL AND ENGINEERING GEOPHYSICS. VOL. 18. ISSUE 1. P. 1-25 53 75% 6
6 STADLER, A , RUDOLPH, S , KUPISCH, M , LANGENSIEPEN, M , VAN DER KRUK, J , EWERT, F , (2015) QUANTIFYING THE EFFECTS OF SOIL VARIABILITY ON CROP GROWTH USING APPARENT SOIL ELECTRICAL CONDUCTIVITY MEASUREMENTS.EUROPEAN JOURNAL OF AGRONOMY. VOL. 64. ISSUE . P. 8 -20 38 75% 11
7 ZARE, E , HUANG, J , SANTOS, FAM , TRIANTAFILIS, J , (2015) MAPPING SALINITY IN THREE DIMENSIONS USING A DUALEM-421 AND ELECTROMAGNETIC INVERSION SOFTWARE.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. VOL. 79. ISSUE 6. P. 1729 -1740 28 88% 6
8 GOFF, A , HUANG, J , WONG, VNL , SANTOS, FAM , WEGE, R , TRIANTAFILIS, J , (2014) ELECTROMAGNETIC CONDUCTIVITY IMAGING OF SOIL SALINITY IN AN ESTUARINE-ALLUVIAL LANDSCAPE.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. VOL. 78. ISSUE 5. P. 1686 -1693 26 100% 2
9 YAO, RJ , YANG, JS , WU, DH , XIE, WP , CUI, SY , WANG, XP , YU, SP , ZHANG, X , (2015) DETERMINING SOIL SALINITY AND PLANT BIOMASS RESPONSE FOR A FARMED COASTAL CROPLAND USING THE ELECTROMAGNETIC INDUCTION METHOD.COMPUTERS AND ELECTRONICS IN AGRICULTURE. VOL. 119. ISSUE . P. 241 -253 33 73% 0
10 GUO, Y , HUANG, JY , SHI, Z , LI, HY , (2015) MAPPING SPATIAL VARIABILITY OF SOIL SALINITY IN A COASTAL PADDY FIELD BASED ON ELECTROMAGNETIC SENSORS.PLOS ONE. VOL. 10. ISSUE 5. P. - 26 84% 4

Classes with closest relation at Level 1


Rank Class id link
1 7991 DIGITAL SOIL MAPPING//SOIL SURVEY//GEODERMA
2 8512 CHLOROPHYLL METER//SPAD 502//SPAD
3 33980 REVISTA DE LA FACULTAD DE CIENCIAS AGRARIAS//DPTO BIOMATEMAT FISICOQUIM//DPTO INGN AGR
4 30394 MULTIVARIATE INDICATOR KRIGING//ECOTOXICOL MODELING//INDICATOR KRIGING
5 21361 SOIL QUALITY INDEX//SOIL QUALITY//SOIL QUALITY INDICATORS
6 19436 YIELD MONITOR//COMBINE HARVESTER//YIELD MAP
7 26008 SOILWATER EXTRACT//KONYAITE//AGR BIOSYST ENGN 7620
8 4803 BRUCE E BUTLER//SOIL SPECTROSCOPY//SOIL REFLECTANCE
9 6106 REVISTA BRASILEIRA DE CIENCIA DO SOLO//SOLOS//NO TILLAGE
10 19063 OPTIMAL SPATIAL RESOLUTION//HBEREICH GEOG GEOWISSEN//FRACTAL MEASUREMENT

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