Class information for:
Level 1: NDFA//NITROGEN TRANSFER//N 15 NATURAL ABUNDANCE

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
9 4 PLANT SCIENCES//FOOD SCIENCE & TECHNOLOGY//AGRONOMY 1475572
194 3       AGRICULTURE, DAIRY & ANIMAL SCIENCE//ANIMAL FEED SCIENCE AND TECHNOLOGY//RUMEN 53847
326 2             GRASS AND FORAGE SCIENCE//TROPICAL GRASSLANDS//AGRONOMY 18459
12291 1                   NDFA//NITROGEN TRANSFER//N 15 NATURAL ABUNDANCE 946

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NDFA authKW 296314 1% 68% 13
2 NITROGEN TRANSFER authKW 233173 2% 33% 21
3 N 15 NATURAL ABUNDANCE authKW 204461 3% 21% 29
4 N 15 ISOTOPE DILUTION authKW 204021 2% 29% 21
5 N RHIZODEPOSITION authKW 199886 1% 100% 6
6 N TRANSFER authKW 174300 2% 35% 15
7 N BENEFIT authKW 171329 1% 86% 6
8 N 2 FIXATION authKW 163738 6% 8% 58
9 REFERENCE PLANTS authKW 158725 1% 53% 9
10 N FIXED authKW 149912 1% 75% 6

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Soil Science 41059 39% 0% 370
2 Agronomy 26892 45% 0% 421
3 Agriculture, Multidisciplinary 7445 19% 0% 177
4 Plant Sciences 3427 27% 0% 257
5 Forestry 50 2% 0% 15
6 Agriculture, Dairy & Animal Science 35 2% 0% 18
7 Ecology 27 3% 0% 29
8 Horticulture 17 1% 0% 9
9 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 17 1% 0% 7
10 Environmental Sciences 14 4% 0% 37

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AGROPEDOCLIMAT ZONE CARAIBE UR135 66629 0% 100% 2
2 PLANT ECOPHYSIOL AGROECOL 59963 0% 60% 3
3 SPN DIRECTORATE 44418 0% 67% 2
4 UMR INRA UCBN EVA 950 44418 0% 67% 2
5 ORGAN FARMING UNIT 35529 0% 27% 4
6 AGR STN BANNU 33314 0% 100% 1
7 AICRP LTFE 33314 0% 100% 1
8 ATLANTIC FOOD HORT CRT 33314 0% 100% 1
9 BEEF FARM 33314 0% 100% 1
10 CIENCIA FLO TAL JULIO DE MESQUITA FILHO 33314 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PLANT AND SOIL 49173 14% 1% 134
2 AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH 29920 6% 2% 55
3 SOIL BIOLOGY & BIOCHEMISTRY 25594 9% 1% 82
4 BIOLOGY AND FERTILITY OF SOILS 20637 5% 1% 47
5 AGRONOMY JOURNAL 17831 7% 1% 63
6 AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE 14695 4% 1% 41
7 FOURRAGES 11160 1% 3% 10
8 CANADIAN JOURNAL OF PLANT SCIENCE 9215 4% 1% 37
9 FIELD CROPS RESEARCH 8038 3% 1% 33
10 EUROPEAN JOURNAL OF AGRONOMY 5773 2% 1% 17

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 NDFA 296314 1% 68% 13 Search NDFA Search NDFA
2 NITROGEN TRANSFER 233173 2% 33% 21 Search NITROGEN+TRANSFER Search NITROGEN+TRANSFER
3 N 15 NATURAL ABUNDANCE 204461 3% 21% 29 Search N+15+NATURAL+ABUNDANCE Search N+15+NATURAL+ABUNDANCE
4 N 15 ISOTOPE DILUTION 204021 2% 29% 21 Search N+15+ISOTOPE+DILUTION Search N+15+ISOTOPE+DILUTION
5 N RHIZODEPOSITION 199886 1% 100% 6 Search N+RHIZODEPOSITION Search N+RHIZODEPOSITION
6 N TRANSFER 174300 2% 35% 15 Search N+TRANSFER Search N+TRANSFER
7 N BENEFIT 171329 1% 86% 6 Search N+BENEFIT Search N+BENEFIT
8 N 2 FIXATION 163738 6% 8% 58 Search N+2+FIXATION Search N+2+FIXATION
9 REFERENCE PLANTS 158725 1% 53% 9 Search REFERENCE+PLANTS Search REFERENCE+PLANTS
10 N FIXED 149912 1% 75% 6 Search N+FIXED Search N+FIXED

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 1


rank cluster_id2 link
1 14737 N 15 NATURAL ABUNDANCE//DELTA N 15//NATURAL N 15 ABUNDANCE
2 19192 SEMIARID PRAIRIE AGR//SEMIARID PRAIRIE//SUMMER FALLOW
3 2471 UREIDES//NITROGEN FIXATION//N 2 FIXATION
4 4881 INTERCROPPING//LAND EQUIVALENT RATIO//LAND EQUIVALENT RATIO LER
5 6756 CATCH CROP//NITRATE LEACHING//SOIL USE AND MANAGEMENT
6 21717 SESBANIA ROSTRATA//STEM NODULE//AESCHYNOMENE AFRASPERA
7 7038 WHITE CLOVER//TRIFOLIUM REPENS//GRASS AND FORAGE SCIENCE
8 509 RHIZOBIA//BRADYRHIZOBIUM//RHIZOBIUM
9 7733 COVER CROPS//ROLLER CRIMPER//HAIRY VETCH
10 10097 TROPICAL GRASSLANDS//AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE//ATFGRC

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