Class information for:
Level 1: WEED COMMUNITY//WEED DIVERSITY//WEED RESEARCH

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
9968 1103 35.7 49%


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 PLANT SCIENCES//AGRONOMY//FOOD SCIENCE & TECHNOLOGY 1882812
439 3       WEED TECHNOLOGY//WEED SCIENCE//GEOSMIN 26614
267 2             WEED TECHNOLOGY//WEED SCIENCE//HERBICIDE RESISTANCE 19354
9968 1                   WEED COMMUNITY//WEED DIVERSITY//WEED RESEARCH 1103

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 WEED COMMUNITY authKW 519102 3% 51% 37
2 WEED DIVERSITY authKW 375467 2% 59% 23
3 WEED RESEARCH journal 303663 13% 7% 148
4 ARABLE WEEDS authKW 236009 2% 47% 18
5 FARM SCALE EVALUATIONS authKW 230683 1% 83% 10
6 WEED SEEDBANK authKW 221848 2% 35% 23
7 WEED SHIFTS authKW 209794 1% 63% 12
8 WEED FLORA authKW 203821 2% 41% 18
9 WEED VEGETATION authKW 184542 1% 67% 10
10 GENETICALLY MODIFIED HERBICIDE TOLERANT CROPS authKW 166094 1% 100% 6

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 Agronomy 42679 52% 0% 573
2 Plant Sciences 13906 49% 0% 542
3 Agriculture, Multidisciplinary 7256 17% 0% 189
4 Ecology 2078 16% 0% 179
5 Soil Science 707 5% 0% 56
6 Biodiversity Conservation 569 4% 0% 41
7 Environmental Sciences 279 9% 0% 104
8 Forestry 125 2% 0% 24
9 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 106 1% 0% 16
10 Biology 66 3% 0% 32

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 HERBOL PLANT CULTIVAT TECH 145622 1% 48% 11
2 AGROECOL UMR1347 119149 2% 17% 26
3 UMR1210 110729 0% 100% 4
4 ESTUDOS SUPER BACABAL 83047 0% 100% 3
5 ECOLDUR 69201 0% 50% 5
6 UMR BIOL GEST ADVENTICES 1210 65660 1% 22% 11
7 AGR AGRI FOOD 55365 0% 100% 2
8 CATEDRA PROD VEGETALCONICET 55365 0% 100% 2
9 CHAIR HERBOL CROP PLANT TECH 55365 0% 100% 2
10 UMR AGROECOL ECOLDUR 1347 55365 0% 100% 2

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 WEED RESEARCH 303663 13% 7% 148
2 WEED SCIENCE 92025 11% 3% 121
3 JOURNAL OF PLANT DISEASES AND PROTECTION 49766 3% 5% 33
4 AGRICULTURE ECOSYSTEMS & ENVIRONMENT 18638 6% 1% 62
5 WEED TECHNOLOGY 15886 4% 1% 47
6 WEED BIOLOGY AND MANAGEMENT 13380 1% 4% 13
7 CANADIAN JOURNAL OF PLANT SCIENCE 10482 4% 1% 43
8 AGRONOMY FOR SUSTAINABLE DEVELOPMENT 9811 1% 2% 16
9 SOIL & TILLAGE RESEARCH 9055 3% 1% 34
10 INTERNATIONAL GAS ENGINEERING AND MANAGEMENT 7378 0% 13% 2

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 WEED COMMUNITY 519102 3% 51% 37 Search WEED+COMMUNITY Search WEED+COMMUNITY
2 WEED DIVERSITY 375467 2% 59% 23 Search WEED+DIVERSITY Search WEED+DIVERSITY
3 ARABLE WEEDS 236009 2% 47% 18 Search ARABLE+WEEDS Search ARABLE+WEEDS
4 FARM SCALE EVALUATIONS 230683 1% 83% 10 Search FARM+SCALE+EVALUATIONS Search FARM+SCALE+EVALUATIONS
5 WEED SEEDBANK 221848 2% 35% 23 Search WEED+SEEDBANK Search WEED+SEEDBANK
6 WEED SHIFTS 209794 1% 63% 12 Search WEED+SHIFTS Search WEED+SHIFTS
7 WEED FLORA 203821 2% 41% 18 Search WEED+FLORA Search WEED+FLORA
8 WEED VEGETATION 184542 1% 67% 10 Search WEED+VEGETATION Search WEED+VEGETATION
9 GENETICALLY MODIFIED HERBICIDE TOLERANT CROPS 166094 1% 100% 6 Search GENETICALLY+MODIFIED+HERBICIDE+TOLERANT+CROPS Search GENETICALLY+MODIFIED+HERBICIDE+TOLERANT+CROPS
10 CROP EDGE 150712 1% 78% 7 Search CROP+EDGE Search CROP+EDGE

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 CAMBECEDES, J , ALBRECHT, H , LANG, M , WAGNER, M , (2016) MANAGEMENT OPTIONS FOR THE CONSERVATION OF RARE ARABLE PLANTS IN EUROPE.BOTANY LETTERS. VOL. 163. ISSUE 4. P. 389 -415 69 61% 2
2 HANZLIK, K , GEROWITT, B , (2016) METHODS TO CONDUCT AND ANALYSE WEED SURVEYS IN ARABLE FARMING: A REVIEW.AGRONOMY FOR SUSTAINABLE DEVELOPMENT. VOL. 36. ISSUE 1. P. - 58 68% 0
3 RAMESH, K , (2015) WEED PROBLEMS, ECOLOGY, AND MANAGEMENT OPTIONS IN CONSERVATION AGRICULTURE: ISSUES AND PERSPECTIVES.ADVANCES IN AGRONOMY, VOL 131. VOL. 131. ISSUE . P. 251 -303 78 31% 0
4 SOSNOSKIE, LM , HERMS, NP , CARDINA, J , (2006) WEED SEEDBANK COMMUNITY COMPOSITION IN A 35-YR-OLD TILLAGE AND ROTATION EXPERIMENT.WEED SCIENCE. VOL. 54. ISSUE 2. P. 263 -273 37 73% 56
5 PINKE, G , GUNTON, RM , (2014) REFINING RARE WEED TRAIT SYNDROMES ALONG ARABLE INTENSIFICATION GRADIENTS.JOURNAL OF VEGETATION SCIENCE. VOL. 25. ISSUE 4. P. 978 -989 31 76% 4
6 HAGHIGHI, RS , CRITCHLEY, N , LEIFERT, C , EYRE, M , COOPER, J , (2013) INDIVIDUAL AND INTERACTIVE EFFECTS OF CROP TYPE AND MANAGEMENT ON WEED AND SEED BANK COMPOSITION IN AN ORGANIC ROTATION.INTERNATIONAL JOURNAL OF PLANT PRODUCTION. VOL. 7. ISSUE 2. P. 243-268 32 73% 0
7 HARBUCK, KSB , MENALLED, FD , POLLNAC, FW , (2009) IMPACT OF CROPPING SYSTEMS ON THE WEED SEED BANKS IN THE NORTHERN GREAT PLAINS, USA.WEED BIOLOGY AND MANAGEMENT. VOL. 9. ISSUE 2. P. 160 -168 28 80% 8
8 ROTCHES-RIBALTA, R , BLANCO-MORENO, JM , ARMENGOT, L , JOSE-MARIA, L , SANS, FX , (2015) WHICH CONDITIONS DETERMINE THE PRESENCE OF RARE WEEDS IN ARABLE FIELDS?.AGRICULTURE ECOSYSTEMS & ENVIRONMENT. VOL. 203. ISSUE . P. 55 -61 28 67% 3
9 HASSANNEJAD, S , GHAFARBI, SP , (2014) WEED FLORA SURVEY IN ALFALFA (MEDICAGO SATIVA L.) FIELDS OF SHABESTAR (NORTHWEST OF IRAN).ARCHIVES OF AGRONOMY AND SOIL SCIENCE. VOL. 60. ISSUE 7. P. 971-991 25 81% 0
10 NICHOLS, V , VERHULST, N , COX, R , GOVAERTS, B , (2015) WEED DYNAMICS AND CONSERVATION AGRICULTURE PRINCIPLES: A REVIEW.FIELD CROPS RESEARCH. VOL. 183. ISSUE . P. 56 -68 51 32% 11

Classes with closest relation at Level 1


Rank Class id link
1 2068 WEED SCIENCE//INTEGRATED WEED MANAGEMENT//WEED COMPETITION
2 4582 HYDROTHERMAL TIME//MORPHOPHYSIOLOGICAL DORMANCY//SEED DORMANCY
3 33402 DRECHSLERA CAMPANULATA//SEED PATHOGEN//PYRENOPHORA SEMENIPERDA
4 22029 AEGCY//BROTE//JOINTED GOATGRASS AEGILOPS CYLINDRICA HOST AEGCY
5 23021 CREEPING THISTLE//CANADA THISTLE//PERENNIAL SOW THISTLE
6 34524 AGROCHEM OFF//DRYLAND GENET LLC 2073//MERCURIALIS ANNUA L
7 4277 FARMLAND BIRDS//BIRD STUDY//AGRI ENVIRONMENT SCHEMES
8 8837 SITE SPECIFIC WEED MANAGEMENT//WEED DETECTION//SITE SPECIFIC WEED CONTROL
9 9194 DRYLAND STN//SUMMER FALLOW//SEMIARID PRAIRIE AGR
10 31307 THERMAL WEED CONTROL//NON CHEMICAL WEED CONTROL//HARD SURFACES

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