Class information for:
Level 1: ORGANIC NITROGEN//SOIL AMINO ACIDS//ORGANIC N

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
17474 597 43.1 72%


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
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
65 3       SOIL SCIENCE//SOIL SCIENCE SOCIETY OF AMERICA JOURNAL//GEODERMA 84825
80 2             SOIL SCIENCE//SOIL BIOLOGY & BIOCHEMISTRY//SOIL RESPIRATION 27332
17474 1                   ORGANIC NITROGEN//SOIL AMINO ACIDS//ORGANIC N 597

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 ORGANIC NITROGEN authKW 483485 9% 18% 52
2 SOIL AMINO ACIDS authKW 327336 1% 80% 8
3 ORGANIC N authKW 296475 3% 29% 20
4 PLANT MICROBIAL COMPETITION authKW 272778 1% 67% 8
5 ORGANIC N UPTAKE authKW 233807 1% 57% 8
6 SOLUBLE ORGANIC NITROGEN authKW 233807 1% 57% 8
7 PLANT NITROGEN NUTRITION authKW 163668 1% 80% 4
8 ORGANIC NITROGEN UPTAKE authKW 159830 1% 63% 5
9 AMINO ACID MINERALIZATION authKW 153440 1% 100% 3
10 MIT ROUTE authKW 153440 1% 100% 3

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 42643 50% 0% 300
2 Plant Sciences 3064 32% 0% 191
3 Agronomy 1008 11% 0% 68
4 Ecology 783 14% 0% 82
5 Environmental Sciences 438 15% 0% 87
6 Forestry 180 3% 0% 20
7 AGRICULTURAL EXPERIMENT STATION REPORTS 47 0% 0% 1
8 Agriculture, Multidisciplinary 43 2% 0% 13
9 Geosciences, Multidisciplinary 27 4% 0% 22
10 Biodiversity Conservation 15 1% 0% 6

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 PLANT PHYSIOL CYTOL CYTOGENET 92062 1% 60% 3
2 AGROECOSYST 77208 3% 10% 15
3 ENVIRONM NAT OURCES GEOG 68627 4% 6% 24
4 NUTR ENGN 68194 0% 67% 2
5 FO T GENET PLANT PHYSIOL 67353 6% 4% 34
6 ENVIRONM WALES 63422 2% 9% 14
7 SOIL ECOSYST ECOL 55223 2% 12% 9
8 AGR FO T ENVIRON 51147 0% 100% 1
9 AGRE 51147 0% 100% 1
10 BIOGEOCHIM ECOL MILIEUX CONTINENTAUX BIOEMCO 51147 0% 100% 1

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 SOIL BIOLOGY & BIOCHEMISTRY 96269 21% 1% 127
2 OKLAHOMA AGRICULTURAL EXPERIMENT STATION BULLETIN 17048 0% 33% 1
3 SOIL SCIENCE AND PLANT NUTRITION 10998 4% 1% 26
4 PLANT AND SOIL 7144 7% 0% 41
5 BIOLOGY AND FERTILITY OF SOILS 5220 3% 1% 19
6 USDA FOREST SERVICE NORTHEASTERN FOREST EXPERIMENT STATION RESEARCH PAPER 4260 0% 8% 1
7 BIOGEOCHEMISTRY 4158 2% 1% 14
8 JOURNAL OF SOILS AND SEDIMENTS 2768 2% 1% 9
9 TREE PHYSIOLOGY 1762 2% 0% 11
10 NEW PHYTOLOGIST 1745 3% 0% 18

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 ORGANIC NITROGEN 483485 9% 18% 52 Search ORGANIC+NITROGEN Search ORGANIC+NITROGEN
2 SOIL AMINO ACIDS 327336 1% 80% 8 Search SOIL+AMINO+ACIDS Search SOIL+AMINO+ACIDS
3 ORGANIC N 296475 3% 29% 20 Search ORGANIC+N Search ORGANIC+N
4 PLANT MICROBIAL COMPETITION 272778 1% 67% 8 Search PLANT+MICROBIAL+COMPETITION Search PLANT+MICROBIAL+COMPETITION
5 ORGANIC N UPTAKE 233807 1% 57% 8 Search ORGANIC+N+UPTAKE Search ORGANIC+N+UPTAKE
6 SOLUBLE ORGANIC NITROGEN 233807 1% 57% 8 Search SOLUBLE+ORGANIC+NITROGEN Search SOLUBLE+ORGANIC+NITROGEN
7 PLANT NITROGEN NUTRITION 163668 1% 80% 4 Search PLANT+NITROGEN+NUTRITION Search PLANT+NITROGEN+NUTRITION
8 ORGANIC NITROGEN UPTAKE 159830 1% 63% 5 Search ORGANIC+NITROGEN+UPTAKE Search ORGANIC+NITROGEN+UPTAKE
9 AMINO ACID MINERALIZATION 153440 1% 100% 3 Search AMINO+ACID+MINERALIZATION Search AMINO+ACID+MINERALIZATION
10 MIT ROUTE 153440 1% 100% 3 Search MIT+ROUTE Search MIT+ROUTE

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 NASHOLM, T , KIELLAND, K , GANETEG, U , (2009) UPTAKE OF ORGANIC NITROGEN BY PLANTS.NEW PHYTOLOGIST. VOL. 182. ISSUE 1. P. 31 -48 66 45% 285
2 WANG, XL , HAN, RF , TANG, DM , HUANG, DF , (2015) COMPARISON OF GLYCINE UPTAKE BY PAK CHOI IN ORGANIC AND CONVENTIONAL SOIL UNDER DIFFERENT GLYCINE CONCENTRATIONS: A POT STUDY.JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE. VOL. 178. ISSUE 5. P. 768 -775 37 88% 0
3 CAO, XC , MA, QX , ZHONG, C , YANG, X , ZHU, LF , ZHANG, JH , JIN, QY , WU, LH , (2016) ELEVATIONAL VARIATION IN SOIL AMINO ACID AND INORGANIC NITROGEN CONCENTRATIONS IN TAIBAI MOUNTAIN, CHINA.PLOS ONE. VOL. 11. ISSUE 6. P. - 38 78% 0
4 SAUHEITL, L , GLASER, B , WEIGELT, A , (2009) UPTAKE OF INTACT AMINO ACIDS BY PLANTS DEPENDS ON SOIL AMINO ACID CONCENTRATIONS.ENVIRONMENTAL AND EXPERIMENTAL BOTANY. VOL. 66. ISSUE 2. P. 145-152 36 88% 30
5 CAO, XC , CHEN, XY , LI, XY , YUAN, L , WU, LH , ZHU, YH , (2013) RICE UPTAKE OF SOIL ADSORBED AMINO ACIDS UNDER STERILIZED ENVIRONMENT.SOIL BIOLOGY & BIOCHEMISTRY. VOL. 62. ISSUE . P. 13-21 43 65% 6
6 OUYANG, SN , TIAN, YQ , LIU, QY , ZHANG, L , WANG, RX , XU, XL , (2016) NITROGEN COMPETITION BETWEEN THREE DOMINANT PLANT SPECIES AND MICROBES IN A TEMPERATE GRASSLAND.PLANT AND SOIL. VOL. 408. ISSUE 1-2. P. 121 -132 40 67% 0
7 JAMTGARD, S , NASHOLM, T , HUSS-DANELL, K , (2010) NITROGEN COMPOUNDS IN SOIL SOLUTIONS OF AGRICULTURAL LAND.SOIL BIOLOGY & BIOCHEMISTRY. VOL. 42. ISSUE 12. P. 2325 -2330 34 83% 24
8 GE, TD , SONG, SW , ROBERTS, P , JONES, DL , HUANG, DF , IWASAKI, K , (2009) AMINO ACIDS AS A NITROGEN SOURCE FOR TOMATO SEEDLINGS: THE USE OF DUAL-LABELED (C-13, N-15) GLYCINE TO TEST FOR DIRECT UPTAKE BY TOMATO SEEDLINGS.ENVIRONMENTAL AND EXPERIMENTAL BOTANY. VOL. 66. ISSUE 3. P. 357-361 28 97% 17
9 MORAN-ZULOAGA, D , DIPPOLD, M , GLASER, B , KUZYAKOV, Y , (2015) ORGANIC NITROGEN UPTAKE BY PLANTS: REEVALUATION BY POSITION-SPECIFIC LABELING OF AMINO ACIDS.BIOGEOCHEMISTRY. VOL. 125. ISSUE 3. P. 359 -374 43 57% 0
10 FRANKLIN, O , NASHOLM, T , OREN, R , PALMROTH, S , GRUFFMAN, L , CAMBUI, CA , (2017) THE CARBON BONUS OF ORGANIC NITROGEN ENHANCES NITROGEN USE EFFICIENCY OF PLANTS.PLANT CELL AND ENVIRONMENT. VOL. 40. ISSUE 1. P. 25 -35 31 74% 0

Classes with closest relation at Level 1


Rank Class id link
1 36612 SOIL PROTEASE//LIQUID LIVESTOCK FECES//POLYMYXIN B RESISTANT BACTERIA
2 18314 RHIZODEPOSITION//C 14 PULSE LABELLING//C 14 PULSE LABELING
3 27220 SOIL FROST//WINTER CLIMATE CHANGE//SOIL FREEZING
4 7687 GROSS NITRIFICATION//NITRIFICATION//N 15 TRACING
5 17187 DELTA N 15//NATURAL N 15 ABUNDANCE//N 15 NATURAL ABUNDANCE
6 13639 MODELING KNOWLEDGE TRANSFER//SOIL SCIENCE//POTENTIALLY MINERALIZABLE N
7 35124 OLIGOPEPTIDE TRANSPORTER FAMILY//OLIGOPEPTIDE TRANSPORTER OPT FAMILY//GLUTATHIONE TRANSPORTER
8 16477 EXTRACELLULAR ENZYME ACTIVITY//PHENOL OXIDASE//EXTRACELLULAR ENZYMES
9 3098 DENSITY FRACTIONATION//SOIL ORGANIC MATTER//MICROBIAL RESIDUES
10 6454 DISSOLVED ORGANIC CARBON//DOC//ENVIRONM CHANGE NETWORK

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