Class information for:
Level 1: WEED SCIENCE//INTEGRATED WEED MANAGEMENT//WEED COMPETITION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2068 2367 27.4 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
2068 1                   WEED SCIENCE//INTEGRATED WEED MANAGEMENT//WEED COMPETITION 2367

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 SCIENCE journal 893701 23% 13% 552
2 INTEGRATED WEED MANAGEMENT authKW 575583 6% 31% 145
3 WEED COMPETITION authKW 526635 4% 43% 95
4 WEED TECHNOLOGY journal 463240 16% 10% 371
5 WEED RESEARCH journal 436615 11% 13% 260
6 WEED INTERFERENCE authKW 432451 3% 52% 65
7 WEED DENSITY authKW 289791 3% 35% 65
8 PLANTA DANINHA journal 255946 6% 14% 144
9 CRITICAL WEED FREE PERIOD authKW 191081 1% 74% 20
10 AGRONOMY WoSSC 183110 73% 1% 1732

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 183110 73% 1% 1732
2 Plant Sciences 58752 68% 0% 1615
3 Agriculture, Multidisciplinary 5494 10% 0% 245
4 Horticulture 395 2% 0% 56
5 Agricultural Economics & Policy 297 1% 0% 20
6 Soil Science 38 1% 0% 26
7 Biodiversity Conservation 37 1% 0% 20
8 Ecology 29 2% 0% 57
9 AGRICULTURAL EXPERIMENT STATION REPORTS 10 0% 0% 1
10 Agricultural Engineering 7 0% 0% 9

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 RIDGETOWN 80579 1% 25% 25
2 PROGRAMA POS FITOSSANIDADE 68771 1% 33% 16
3 PLANT AGR 44852 3% 5% 70
4 AREA PLANTAS DANINHAS 38696 0% 100% 3
5 AGR DARAB 25797 0% 100% 2
6 ALUNO PROGRAMA POS FITOTECN 25797 0% 100% 2
7 CENT PLAINS 25797 0% 100% 2
8 JOINT CENT CROP IMPROVEMENT 25797 0% 100% 2
9 LAND FOOD OUR 25797 0% 100% 2
10 STANFORD MEDIA WORKS 25797 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 SCIENCE 893701 23% 13% 552
2 WEED TECHNOLOGY 463240 16% 10% 371
3 WEED RESEARCH 436615 11% 13% 260
4 PLANTA DANINHA 255946 6% 14% 144
5 CANADIAN JOURNAL OF PLANT SCIENCE 32592 5% 2% 111
6 WEED BIOLOGY AND MANAGEMENT 26893 1% 8% 27
7 CROP PROTECTION 19843 4% 2% 84
8 ZEITSCHRIFT FUR PFLANZENKRANKHEITEN UND PFLANZENSCHUTZ-JOURNAL OF PLANT DISEASES AND PROTECTION 7852 1% 2% 35
9 BIOLOGICAL AGRICULTURE & HORTICULTURE 7177 1% 3% 20
10 AGRONOMY JOURNAL 7159 3% 1% 64

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 INTEGRATED WEED MANAGEMENT 575583 6% 31% 145 Search INTEGRATED+WEED+MANAGEMENT Search INTEGRATED+WEED+MANAGEMENT
2 WEED COMPETITION 526635 4% 43% 95 Search WEED+COMPETITION Search WEED+COMPETITION
3 WEED INTERFERENCE 432451 3% 52% 65 Search WEED+INTERFERENCE Search WEED+INTERFERENCE
4 WEED DENSITY 289791 3% 35% 65 Search WEED+DENSITY Search WEED+DENSITY
5 CRITICAL WEED FREE PERIOD 191081 1% 74% 20 Search CRITICAL+WEED+FREE+PERIOD Search CRITICAL+WEED+FREE+PERIOD
6 CROP WEED COMPETITION 180553 1% 50% 28 Search CROP+WEED+COMPETITION Search CROP+WEED+COMPETITION
7 ROTARY HOE 170714 1% 88% 15 Search ROTARY+HOE Search ROTARY+HOE
8 ECONOMIC THRESHOLD 162925 2% 26% 49 Search ECONOMIC+THRESHOLD Search ECONOMIC+THRESHOLD
9 ABUTH 136833 2% 29% 37 Search ABUTH Search ABUTH
10 YIELD LOSS 136057 3% 16% 68 Search YIELD+LOSS Search YIELD+LOSS

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 ANDREW, IKS , STORKEY, J , SPARKES, DL , (2015) A REVIEW OF THE POTENTIAL FOR COMPETITIVE CEREAL CULTIVARS AS A TOOL IN INTEGRATED WEED MANAGEMENT.WEED RESEARCH. VOL. 55. ISSUE 3. P. 239 -248 43 62% 14
2 BECKIE, HJ , FRANCIS, A , HALL, LM , (2012) THE BIOLOGY OF CANADIAN WEEDS. 27. AVENA FATUA L. (UPDATED).CANADIAN JOURNAL OF PLANT SCIENCE. VOL. 92. ISSUE 7. P. 1329-1357 94 33% 11
3 NAZARKO, OM , VAN ACKER, RC , ENTZ, MH , (2005) STRATEGIES AND TACTICS FOR HERBICIDE USE REDUCTION IN FIELD CROPS IN CANADA: A REVIEW.CANADIAN JOURNAL OF PLANT SCIENCE. VOL. 85. ISSUE 2. P. 457-479 80 41% 32
4 ALI, A , STREIBIG, JC , ANDREASEN, C , (2013) YIELD LOSS PREDICTION MODELS BASED ON EARLY ESTIMATION OF WEED PRESSURE.CROP PROTECTION. VOL. 53. ISSUE . P. 125-131 40 66% 4
5 TRAVLOS, IS , KANATAS, PJ , ECONOMOU, G , KOTOULAS, VE , CHACHALIS, D , TSIOROS, S , (2012) EVALUATION OF VELVETLEAF INTERFERENCE WITH MAIZE HYBRIDS AS INFLUENCED BY RELATIVE TIME OF EMERGENCE.EXPERIMENTAL AGRICULTURE. VOL. 48. ISSUE 1. P. 127-137 29 94% 0
6 O'DONOVAN, JT , BLACKSHAW, RE , HARKER, KN , CLAYTON, GW , MOYER, JR , DOSDALL, LM , MAURICE, DC , TURKINGTON, TK , (2007) INTEGRATED APPROACHES TO MANAGING WEEDS IN SPRING-SOWN CROPS IN WESTERN CANADA.CROP PROTECTION. VOL. 26. ISSUE 3. P. 390-398 40 70% 30
7 LEMERLE, D , GILL, GS , MURPHY, CE , WALKER, SR , COUSENS, RD , MOKHTARI, S , PELTZER, SJ , COLEMAN, R , LUCKETT, DJ , (2001) GENETIC IMPROVEMENT AND AGRONOMY FOR ENHANCED WHEAT COMPETITIVENESS WITH WEEDS.AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH. VOL. 52. ISSUE 5. P. 527 -548 46 63% 105
8 ODONOVAN, JT , (1996) WEED ECONOMIC THRESHOLDS: USEFUL AGRONOMIC TOOL OR PIPE DREAM?.PHYTOPROTECTION. VOL. 77. ISSUE 1. P. 13-28 51 73% 28
9 TURSUN, N , DATTA, A , BUDAK, S , KANTARCI, Z , KNEZEVIC, SZ , (2016) ROW SPACING IMPACTS THE CRITICAL PERIOD FOR WEED CONTROL IN COTTON (GOSSYPIUM HIRSUTUM).PHYTOPARASITICA. VOL. 44. ISSUE 1. P. 139 -149 28 78% 0
10 COWAN, P , WEAVER, SE , SWANTON, CJ , (1998) INTERFERENCE BETWEEN PIGWEED (AMARANTHUS SPP.), BARNYARDGRASS (ECHINOCHLOA CRUS-GALLI), AND SOYBEAN (GLYCINE MAX).WEED SCIENCE. VOL. 46. ISSUE 5. P. 533 -539 37 90% 41

Classes with closest relation at Level 1


Rank Class id link
1 9968 WEED COMMUNITY//WEED DIVERSITY//WEED RESEARCH
2 2824 WEED TECHNOLOGY//WEED SCIENCE//IPOLA
3 29135 DAUGHTER TUBER SPROUTING//POTATO SOLANUM TUBEROSUM L RUSSET BURBANK//TUBER SPROUTING TEST
4 31307 THERMAL WEED CONTROL//NON CHEMICAL WEED CONTROL//HARD SURFACES
5 22029 AEGCY//BROTE//JOINTED GOATGRASS AEGILOPS CYLINDRICA HOST AEGCY
6 8837 SITE SPECIFIC WEED MANAGEMENT//WEED DETECTION//SITE SPECIFIC WEED CONTROL
7 34524 AGROCHEM OFF//DRYLAND GENET LLC 2073//MERCURIALIS ANNUA L
8 13120 WEEDY RICE//CLEARFIELD RICE//RED RICE
9 31283 GROUNDKEEPERS//WEED FRESH BIOMASS//GROUNDKEEPER VOLUNTEER POTATO
10 30237 PLANTA DANINHA//SACOF//NUCLEO PESQUISA AVANCADA MATOL NUPAM

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