Class information for:
Level 1: COVER CROPS//CATCH CROP//ROLLER CRIMPER

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
3566 1956 35.3 57%


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
40 3       AGRONOMY//SOIL SCIENCE//AGRICULTURE, MULTIDISCIPLINARY 100292
974 2             AGRONOMY JOURNAL//SOIL SCIENCE//COVER CROPS 10652
3566 1                   COVER CROPS//CATCH CROP//ROLLER CRIMPER 1956

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 COVER CROPS authKW 1311266 16% 28% 305
2 CATCH CROP authKW 536582 4% 45% 76
3 ROLLER CRIMPER authKW 410228 1% 91% 29
4 HAIRY VETCH authKW 320641 2% 48% 43
5 GREEN MANURE authKW 248356 5% 17% 94
6 LIVING MULCH authKW 232821 2% 45% 33
7 VICIA VILLOSA authKW 179934 1% 41% 28
8 AGRONOMY JOURNAL journal 140568 13% 4% 256
9 CEREAL RYE authKW 104921 1% 61% 11
10 NITRATE LEACHING authKW 101874 3% 10% 67

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 64910 48% 0% 942
2 Soil Science 39833 27% 0% 528
3 Horticulture 9951 12% 0% 232
4 Agriculture, Multidisciplinary 9490 15% 0% 289
5 Plant Sciences 2910 18% 0% 353
6 Ecology 610 7% 0% 143
7 Water Resources 364 4% 0% 84
8 Environmental Sciences 302 8% 0% 153
9 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 168 1% 0% 27
10 Agricultural Engineering 136 1% 0% 24

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 SUSTAINABLE AGR SYST 53597 2% 8% 42
2 SOIL DYNAM 48223 2% 10% 30
3 JONISKELIS EXPT STN 46816 0% 33% 9
4 FIELD CROP GRASSLAND HUSB 32514 0% 42% 5
5 AGR LIVE SCI 31219 0% 100% 2
6 HAME STN 31219 0% 100% 2
7 SUSTAINABLE AGR NETWORK 31219 0% 100% 2
8 WEBSTER CTY FIELD OFF 31219 0% 100% 2
9 CULTIVAT FERTILIZAT HORT PLANTS 26009 0% 33% 5
10 PLANT NUTR SOIL FERTIL 22973 0% 16% 9

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 AGRONOMY JOURNAL 140568 13% 4% 256
2 RENEWABLE AGRICULTURE AND FOOD SYSTEMS 64409 2% 10% 42
3 SOIL USE AND MANAGEMENT 53539 4% 5% 71
4 BIOLOGICAL AGRICULTURE & HORTICULTURE 46109 2% 6% 46
5 EUROPEAN JOURNAL OF AGRONOMY 28326 3% 3% 54
6 JOURNAL OF SUSTAINABLE AGRICULTURE 27226 2% 4% 41
7 JOURNAL OF SOIL AND WATER CONSERVATION 21742 3% 2% 59
8 WEED TECHNOLOGY 18178 3% 2% 67
9 ACTA SCIENTIARUM POLONORUM-HORTORUM CULTUS 16856 1% 4% 27
10 JOURNAL OF PRODUCTION AGRICULTURE 13195 1% 3% 27

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 COVER CROPS 1311266 16% 28% 305 Search COVER+CROPS Search COVER+CROPS
2 CATCH CROP 536582 4% 45% 76 Search CATCH+CROP Search CATCH+CROP
3 ROLLER CRIMPER 410228 1% 91% 29 Search ROLLER+CRIMPER Search ROLLER+CRIMPER
4 HAIRY VETCH 320641 2% 48% 43 Search HAIRY+VETCH Search HAIRY+VETCH
5 GREEN MANURE 248356 5% 17% 94 Search GREEN+MANURE Search GREEN+MANURE
6 LIVING MULCH 232821 2% 45% 33 Search LIVING+MULCH Search LIVING+MULCH
7 VICIA VILLOSA 179934 1% 41% 28 Search VICIA+VILLOSA Search VICIA+VILLOSA
8 CEREAL RYE 104921 1% 61% 11 Search CEREAL+RYE Search CEREAL+RYE
9 NITRATE LEACHING 101874 3% 10% 67 Search NITRATE+LEACHING Search NITRATE+LEACHING
10 COVER CROP MULCH 99897 0% 80% 8 Search COVER+CROP+MULCH Search COVER+CROP+MULCH

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 THORUP-KRISTENSEN, K , MAGID, J , JENSEN, LS , (2003) CATCH CROPS AND GREEN MANURES AS BIOLOGICAL TOOLS IN NITROGEN MANAGEMENT IN TEMPERATE ZONES.ADVANCES IN AGRONOMY, VOL 79. VOL. 79. ISSUE . P. 227-302 108 58% 199
2 BLANCO-CANQUI, H , SHAVER, TM , LINDQUIST, JL , SHAPIRO, CA , ELMORE, RW , FRANCIS, CA , HERGERT, GW , (2015) COVER CROPS AND ECOSYSTEM SERVICES: INSIGHTS FROM STUDIES IN TEMPERATE SOILS.AGRONOMY JOURNAL. VOL. 107. ISSUE 6. P. 2449 -2474 77 57% 9
3 VALKAMA, E , LEMOLA, R , KANKANEN, H , TURTOLA, E , (2015) META-ANALYSIS OF THE EFFECTS OF UNDERSOWN CATCH CROPS ON NITROGEN LEACHING LOSS AND GRAIN YIELDS IN THE NORDIC COUNTRIES.AGRICULTURE ECOSYSTEMS & ENVIRONMENT. VOL. 203. ISSUE . P. 93 -101 42 88% 13
4 TONITTO, C , DAVID, MB , DRINKWATER, LE , (2006) REPLACING BARE FALLOWS WITH COVER CROPS IN FERTILIZER-INTENSIVE CROPPING SYSTEMS: A META-ANALYSIS OF CROP YIELD AND N DYNAMICS.AGRICULTURE ECOSYSTEMS & ENVIRONMENT. VOL. 112. ISSUE 1. P. 58-72 64 63% 185
5 ARONSSON, H , HANSEN, EM , THOMSEN, IK , LIU, J , OGAARD, AF , KANKANEN, H , ULEN, B , (2016) THE ABILITY OF COVER CROPS TO REDUCE NITROGEN AND PHOSPHORUS LOSSES FROM ARABLE LAND IN SOUTHERN SCANDINAVIA AND FINLAND.JOURNAL OF SOIL AND WATER CONSERVATION. VOL. 71. ISSUE 1. P. 41 -55 56 74% 0
6 KETTERINGS, QM , SWINK, SN , DUIKER, SW , CZYMMEK, KJ , BEEGLE, DB , COX, WJ , (2015) INTEGRATING COVER CROPS FOR NITROGEN MANAGEMENT IN CORN SYSTEMS ON NORTHEASTERN US DAIRIES.AGRONOMY JOURNAL. VOL. 107. ISSUE 4. P. 1365 -1376 36 92% 3
7 PANTOJA, JL , WOLI, KP , SAWYER, JE , BARKER, DW , (2015) CORN NITROGEN FERTILIZATION REQUIREMENT AND CORN-SOYBEAN PRODUCTIVITY WITH A RYE COVER CROP.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. VOL. 79. ISSUE 5. P. 1482 -1495 46 68% 1
8 GABRIEL, JL , ALONSO-AYUSO, M , GARCIA-GONZALEZ, I , HONTORIA, C , QUEMADA, M , (2016) NITROGEN USE EFFICIENCY AND FERTILISER FATE IN A LONG-TERM EXPERIMENT WITH WINTER COVER CROPS.EUROPEAN JOURNAL OF AGRONOMY. VOL. 79. ISSUE . P. 14 -22 37 74% 1
9 WAYMAN, S , COGGER, C , BENEDICT, C , BURKE, I , COLLINS, D , BARY, A , (2015) THE INFLUENCE OF COVER CROP VARIETY, TERMINATION TIMING AND TERMINATION METHOD ON MULCH, WEED COVER AND SOIL NITRATE IN REDUCED-TILLAGE ORGANIC SYSTEMS.RENEWABLE AGRICULTURE AND FOOD SYSTEMS. VOL. 30. ISSUE 5. P. 450 -460 37 76% 2
10 DABNEY, SM , DELGADO, JA , REEVES, DW , (2001) USING WINTER COVER CROPS TO IMPROVE SOIL AND WATER QUALITY.COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS. VOL. 32. ISSUE 7-8. P. 1221 -1250 60 55% 198

Classes with closest relation at Level 1


Rank Class id link
1 18861 ADDED N INTERACTION//N 15 LABELLED FERTILIZER//FERTILIZER N UPTAKE
2 13960 AGRONOMY JOURNAL//JOURNAL OF FERTILIZER ISSUES//N CENT KANSAS EXPT FIELD
3 9194 DRYLAND STN//SUMMER FALLOW//SEMIARID PRAIRIE AGR
4 23601 MASS AND CHEMICAL COMPOSITION//WHEAT STRAW APPLICATION//GENOM FITOMELHORAMENTO
5 21963 SESBANIA ROSTRATA//STEM NODULE//AESCHYNOMENE AFRASPERA
6 6719 N 2 FIXATION//N 15 NATURAL ABUNDANCE//NDFA
7 31101 FORAGE SOYBEAN//NO PIEDMONT AGR EXT//GRAZINGLANDS
8 16199 NUTRIENT SURPLUS//FARM GATE BALANCE//DAIRY FARMING
9 9968 WEED COMMUNITY//WEED DIVERSITY//WEED RESEARCH
10 13639 MODELING KNOWLEDGE TRANSFER//SOIL SCIENCE//POTENTIALLY MINERALIZABLE N

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