Class information for:
Level 1: SOIL ACIDITY//SUBSOIL ACIDITY//LIME REQUIREMENT

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
8409 1255 29.7 39%


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
325 2             JOURNAL OF PLANT NUTRITION//SOIL SCIENCE//COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 18184
8409 1                   SOIL ACIDITY//SUBSOIL ACIDITY//LIME REQUIREMENT 1255

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 SOIL ACIDITY authKW 374575 6% 19% 81
2 SUBSOIL ACIDITY authKW 259502 1% 67% 16
3 LIME REQUIREMENT authKW 242440 1% 59% 17
4 LIMING authKW 226596 6% 12% 81
5 SURFACE LIMING authKW 221174 1% 91% 10
6 ASH ALKALINITY authKW 205574 1% 65% 13
7 EXCESS CATIONS authKW 132457 1% 78% 7
8 SOIL SCIENCE WoSSC 128776 60% 1% 755
9 ALKALINE SLAG authKW 125121 0% 86% 6
10 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS journal 121127 15% 3% 185

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 Soil Science 128776 60% 1% 755
2 Agronomy 13918 28% 0% 353
3 Agriculture, Multidisciplinary 12561 21% 0% 264
4 Plant Sciences 3330 24% 0% 295
5 Chemistry, Analytical 1291 15% 0% 187
6 Environmental Sciences 96 6% 0% 77
7 Agricultural Engineering 39 1% 0% 11
8 Horticulture 23 1% 0% 12
9 Water Resources 6 1% 0% 16
10 Ecology 4 2% 0% 23

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 AGR ENGN IRRIGAT SCI 72988 0% 100% 3
2 AGR SCI SOIL SCI PLANT NUTR 72988 0% 100% 3
3 ENVIRONM STUDIES SOIL SCI 72988 0% 100% 3
4 IIVV 64876 0% 67% 4
5 CIENCIA SOLO ENGN AGRICOLA 54740 0% 75% 3
6 CROP SCI FOOD TECHNOL SOCIAL ECON 48659 0% 100% 2
7 EARTH ENVIRONM MO87 48659 0% 100% 2
8 GPSI 48659 0% 100% 2
9 KWAZULU NATAL AGR 48659 0% 100% 2
10 NARC PREMISES 48659 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 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 121127 15% 3% 185
2 AUSTRALIAN JOURNAL OF SOIL RESEARCH 83102 7% 4% 86
3 REVISTA BRASILEIRA DE CIENCIA DO SOLO 44127 5% 3% 64
4 AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE 33137 6% 2% 72
5 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 22143 7% 1% 92
6 NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH 11137 2% 1% 31
7 SOIL SCIENCE 9914 3% 1% 37
8 CANADIAN JOURNAL OF SOIL SCIENCE 8941 2% 1% 30
9 PLANT AND SOIL 6530 5% 0% 57
10 AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH 4849 2% 1% 26

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 SOIL ACIDITY 374575 6% 19% 81 Search SOIL+ACIDITY Search SOIL+ACIDITY
2 SUBSOIL ACIDITY 259502 1% 67% 16 Search SUBSOIL+ACIDITY Search SUBSOIL+ACIDITY
3 LIME REQUIREMENT 242440 1% 59% 17 Search LIME+REQUIREMENT Search LIME+REQUIREMENT
4 LIMING 226596 6% 12% 81 Search LIMING Search LIMING
5 SURFACE LIMING 221174 1% 91% 10 Search SURFACE+LIMING Search SURFACE+LIMING
6 ASH ALKALINITY 205574 1% 65% 13 Search ASH+ALKALINITY Search ASH+ALKALINITY
7 EXCESS CATIONS 132457 1% 78% 7 Search EXCESS+CATIONS Search EXCESS+CATIONS
8 ALKALINE SLAG 125121 0% 86% 6 Search ALKALINE+SLAG Search ALKALINE+SLAG
9 INITIAL SOIL PH 97317 0% 100% 4 Search INITIAL+SOIL+PH Search INITIAL+SOIL+PH
10 MEHLICH BUFFER 97317 0% 100% 4 Search MEHLICH+BUFFER Search MEHLICH+BUFFER

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 BUTTERLY, CR , BALDOCK, JA , TANG, C , (2013) THE CONTRIBUTION OF CROP RESIDUES TO CHANGES IN SOIL PH UNDER FIELD CONDITIONS.PLANT AND SOIL. VOL. 366. ISSUE 1-2. P. 185-198 31 91% 21
2 DA COSTA, CHM , CRUSCIOL, CAC , (2016) LONG-TERM EFFECTS OF LIME AND PHOSPHOGYPSUM APPLICATION ON TROPICAL NO-TILL SOYBEAN-OAT-SORGHUM ROTATION AND SOIL CHEMICAL PROPERTIES.EUROPEAN JOURNAL OF AGRONOMY. VOL. 74. ISSUE . P. 119 -132 25 71% 5
3 CAIRES, EF , JORIS, HAW , CHURKA, S , (2011) LONG-TERM EFFECTS OF LIME AND GYPSUM ADDITIONS ON NO-TILL CORN AND SOYBEAN YIELD AND SOIL CHEMICAL PROPERTIES IN SOUTHERN BRAZIL.SOIL USE AND MANAGEMENT. VOL. 27. ISSUE 1. P. 45 -53 25 86% 19
4 SIKORA, FJ , (2012) DOUBLE-BUFFER METHODS REVISITED WITH FOCUS ON IONIC STRENGTH AND SOIL/SOLUTION RATIO.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. VOL. 76. ISSUE 2. P. 718 -732 25 89% 1
5 LI, JY , MASUD, MM , LI, ZY , XU, RK , (2015) AMELIORATION OF AN ULTISOL PROFILE ACIDITY USING CROP STRAWS COMBINED WITH ALKALINE SLAG.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH. VOL. 22. ISSUE 13. P. 9965 -9975 28 74% 0
6 PAUL, KI , BLACK, AS , CONYERS, MK , (2003) DEVELOPMENT OF ACIDIC SUBSURFACE LAYERS OF SOIL UNDER VARIOUS MANAGEMENT SYSTEMS.ADVANCES IN AGRONOMY, VOL 78. VOL. 78. ISSUE . P. 187-214 49 56% 6
7 DA COSTA, CHM , CRUSCIOL, CAC , NETO, JF , CASTRO, GSA , (2016) RESIDUAL EFFECTS OF SUPERFICIAL LIMING ON TROPICAL SOIL UNDER NO-TILLAGE SYSTEM.PESQUISA AGROPECUARIA BRASILEIRA. VOL. 51. ISSUE 9. P. 1633 -1642 23 85% 0
8 CAIRES, EF , HALISKI, A , BINI, AR , SCHARR, DA , (2015) SURFACE LIMING AND NITROGEN FERTILIZATION FOR CROP GRAIN PRODUCTION UNDER NO-TILL MANAGEMENT IN BRAZIL.EUROPEAN JOURNAL OF AGRONOMY. VOL. 66. ISSUE . P. 41 -53 27 63% 7
9 FARHOODI, A , COVENTRY, DR , (2008) FIELD CROP RESPONSES TO LIME IN THE MID-NORTH REGION OF SOUTH AUSTRALIA.FIELD CROPS RESEARCH. VOL. 108. ISSUE 1. P. 45-53 23 92% 6
10 DALLA NORA, D , AMADO, TJC , (2013) IMPROVEMENT IN CHEMICAL ATTRIBUTES OF OXISOL SUBSOIL AND CROP YIELDS UNDER NO-TILL.AGRONOMY JOURNAL. VOL. 105. ISSUE 5. P. 1393 -1403 22 85% 3

Classes with closest relation at Level 1


Rank Class id link
1 27933 CHARGE FINGERPRINT//AMENAGEMENT SOL//AMORPHOUS FEOH3
2 23317 RICE BEAN//GRAIN HARVEST INDEX//SHOOT DRY WEIGHT
3 1440 ALUMINUM TOLERANCE//ALUMINUM TOXICITY//ALUMINUM RESISTANCE
4 35072 AFRICAN WOMEN REFUGEES//BROADCASTED FERTILIZATION//CENTRAL PLAIN OF THAILAND
5 17646 MEHLICH 3//MEHLICH 1//COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
6 12911 SULFATE SORPTION//ANGIOSPERM TREE LEAF LITTER//VARIABLE CHARGE SOIL
7 37482 AGR GUANGDONG//ARTIFICIAL GEOCHEMICAL ANOMALIES//BELOW GROUND ECOSYSTEMS
8 6106 REVISTA BRASILEIRA DE CIENCIA DO SOLO//SOLOS//NO TILLAGE
9 13327 CROP LIVESTOCK INTEGRATION//NO TILLAGE SYSTEM//PLANTA DANINHA
10 27483 HIMAG//AGROECOLOGY AND CROP SPECIFIC FERTILISERS//ANHYDROUS MAGNESIUM SULPHATE FERTILIZER

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