Class information for:
Level 2: SOIL SCIENCE//ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE//AGRONOMY

Basic class information
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
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
53 3       SOIL SCIENCE//SOIL SCIENCE SOCIETY OF AMERICA JOURNAL//AGRONOMY 95847
794 2             SOIL SCIENCE//ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE//AGRONOMY 12387
6756 1                   CATCH CROP//NITRATE LEACHING//SOIL USE AND MANAGEMENT 1473
7094 1                   AMMONIA VOLATILIZATION//UREASE INHIBITOR//FERTILIZER RESEARCH 1433
7733 1                   COVER CROPS//ROLLER CRIMPER//HAIRY VETCH 1358
9223 1                   CHLOROPHYLL METER//NITROGEN NUTRITION INDEX//SPAD 1207
10731 1                   NON EXCHANGEABLE K//EXCHANGEABLE K//K RELEASE 1068
12322 1                   GRAIN PROTEIN CONCENTRATION//NITROGEN HARVEST INDEX//GRAIN PROTEIN DEVIATION 945
13222 1                   SOUTHWEST FLORIDA EDUC SWFREC//AMERICAN JOURNAL OF POTATO RESEARCH//SOLANUM TUBEROSUM 882
14106 1                   QUEFTS//INT PLANT NUTR IPNI CHINA PROGRAM//OURCES ENVIRONM FOOD SECUR 823
14121 1                   ANAEROBIC INCUBATION//SOIL SCIENCE//POTENTIALLY MINERALIZABLE N 822
14215 1                   NITRIFICATION INHIBITOR//DICYANDIAMIDE//3 4 DIMETHYLPYRAZOLE PHOSPHATE 816
23484 1                   ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE//ZEITSCHRIFT FUR ACKER UND PFLANZENBAU-JOURNAL OF AGRONOMY AND CROP SCIENCE//LANDWIRTSCHAFTLICHE FORSCHUNG 367
25997 1                   ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE//LANDWIRT AFT VERSUCHSSTN LIMBURGERHOF//ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE 287
27139 1                   ROSTLINNA VYROBA//K2SO4 EXTRACTABLE CARBON//EXTRACELLULAR MICROBIAL CARBON 256
28056 1                   AMMONIUM FIXATION//NON EXCHANGEABLE AMMONIUM//FIXED AMMONIUM 235
31092 1                   ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE//GRUNDLAGEN PFLANZENBAUWISSEN//ANNUAL NITROGEN NET MINERALIZATION 172
33869 1                   UREAFORMALDEHYDE//METHYLENE UREA//HRICHTUNG MIKROBIOL 13 3 132
35488 1                   NLEAP//SOIL PLANT NUTRIENT UNIT//WNTSC 111

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOIL SCIENCE WoSSC 612669 42% 5% 5169
2 ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE journal 424949 3% 44% 378
3 AGRONOMY WoSSC 327209 43% 2% 5317
4 NITRIFICATION INHIBITOR authKW 239498 1% 56% 169
5 COVER CROPS authKW 232860 3% 28% 326
6 AGRONOMY JOURNAL journal 219533 6% 11% 800
7 AMMONIA VOLATILIZATION authKW 184266 1% 51% 142
8 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS journal 184010 6% 10% 712
9 NITRATE LEACHING authKW 161094 2% 30% 212
10 FERTILIZER RESEARCH journal 146713 2% 24% 246

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Soil Science 612669 42% 5% 5169
2 Agronomy 327209 43% 2% 5317
3 Agriculture, Multidisciplinary 40026 12% 1% 1504
4 Plant Sciences 24943 21% 0% 2565
5 Horticulture 8306 4% 1% 552
6 Environmental Sciences 1672 8% 0% 933
7 Chemistry, Analytical 1533 6% 0% 780
8 Agricultural Engineering 1158 1% 0% 174
9 Ecology 597 4% 0% 451
10 Water Resources 498 2% 0% 295

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOIL SCI 54011 5% 4% 582
2 OURCES ENVIRONM FOOD SECUR 26197 0% 24% 43
3 BRANDON 21026 0% 18% 45
4 INT PLANT NUTR IPNI CHINA PROGRAM 20339 0% 100% 8
5 POTATO 19161 0% 12% 61
6 SOIL PLANT NUTRIENT UNIT 16963 0% 25% 27
7 AGRON 16828 4% 2% 455
8 ON FARM NETWORK 15570 0% 88% 7
9 AGR OURCES REG PLANNING 14824 1% 7% 81
10 OURCES ENVIRONM SCI 14188 1% 4% 150

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE 424949 3% 44% 378
2 AGRONOMY JOURNAL 219533 6% 11% 800
3 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 184010 6% 10% 712
4 FERTILIZER RESEARCH 146713 2% 24% 246
5 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 103796 5% 7% 620
6 NUTRIENT CYCLING IN AGROECOSYSTEMS 87566 2% 15% 238
7 ROSTLINNA VYROBA 74942 2% 16% 188
8 ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE 71421 2% 14% 197
9 PLANT AND SOIL 51783 4% 4% 501
10 SOIL USE AND MANAGEMENT 44712 1% 11% 163

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 NITRIFICATION INHIBITOR 239498 1% 56% 169 Search NITRIFICATION+INHIBITOR Search NITRIFICATION+INHIBITOR
2 COVER CROPS 232860 3% 28% 326 Search COVER+CROPS Search COVER+CROPS
3 AMMONIA VOLATILIZATION 184266 1% 51% 142 Search AMMONIA+VOLATILIZATION Search AMMONIA+VOLATILIZATION
4 NITRATE LEACHING 161094 2% 30% 212 Search NITRATE+LEACHING Search NITRATE+LEACHING
5 CATCH CROP 141463 1% 57% 97 Search CATCH+CROP Search CATCH+CROP
6 CHLOROPHYLL METER 134677 1% 70% 76 Search CHLOROPHYLL+METER Search CHLOROPHYLL+METER
7 NITROGEN USE EFFICIENCY 95999 1% 22% 176 Search NITROGEN+USE+EFFICIENCY Search NITROGEN+USE+EFFICIENCY
8 DICYANDIAMIDE 78889 1% 39% 80 Search DICYANDIAMIDE Search DICYANDIAMIDE
9 NON EXCHANGEABLE K 75649 0% 80% 37 Search NON+EXCHANGEABLE+K Search NON+EXCHANGEABLE+K
10 N USE EFFICIENCY 71639 1% 33% 85 Search N+USE+EFFICIENCY Search N+USE+EFFICIENCY

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.

Classes with closest relation at Level 2


rank cluster_id2 link
1 1478 CROP MODEL//FIELD CROPS RESEARCH//AGRONOMY
2 435 SOIL SCIENCE//SOIL RESPIRATION//SOIL ORGANIC CARBON
3 1629 INDIAN JOURNAL OF AGRONOMY//INTERCROPPING//INDIAN JOURNAL OF AGRICULTURAL SCIENCES
4 825 NITROUS OXIDE//GREENHOUSE GASES//N2O EMISSION
5 982 COMPOST//COMPOST SCIENCE & UTILIZATION//AMMONIA EMISSION
6 3315 SOIL SCIENCE//VARIABLE CHARGE SOIL//ELEMENTAL S
7 209 SOIL SCIENCE//JOURNAL OF PLANT NUTRITION//COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
8 1423 SWAT//NONPOINT SOURCE POLLUTION//SWAT MODEL
9 3547 CEREAL RESEARCH COMMUNICATIONS//NOVENYTERMELES//SOIL SCI AGR CHEM
10 326 GRASS AND FORAGE SCIENCE//TROPICAL GRASSLANDS//AGRONOMY

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