Class information for:
Level 1: CHLOROPHYLL METER//ON FARM NETWORK//SPAD 502

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
10098 1028 27.5 53%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
32 33112 SOIL SCIENCE//SOIL BIOLOGY & BIOCHEMISTRY//SOIL RESPIRATION

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 CHLOROPHYLL METER Author keyword 44 53% 6% 59
2 ON FARM NETWORK Address 15 88% 1% 7
3 SPAD 502 Author keyword 12 58% 1% 14
4 SPAD METER Author keyword 10 58% 1% 11
5 PSNT Author keyword 8 70% 1% 7
6 SPAD Author keyword 5 12% 4% 39
7 SPAD 502 METER Author keyword 4 67% 0% 4
8 YARA N SENSOR Author keyword 4 67% 0% 4
9 PRE SIDEDRESS SOIL NITRATE TEST Author keyword 4 75% 0% 3
10 VERNON JAMES EXT Address 4 75% 0% 3

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 CHLOROPHYLL METER 44 53% 6% 59 Search CHLOROPHYLL+METER Search CHLOROPHYLL+METER
2 SPAD 502 12 58% 1% 14 Search SPAD+502 Search SPAD+502
3 SPAD METER 10 58% 1% 11 Search SPAD+METER Search SPAD+METER
4 PSNT 8 70% 1% 7 Search PSNT Search PSNT
5 SPAD 5 12% 4% 39 Search SPAD Search SPAD
6 SPAD 502 METER 4 67% 0% 4 Search SPAD+502+METER Search SPAD+502+METER
7 YARA N SENSOR 4 67% 0% 4 Search YARA+N+SENSOR Search YARA+N+SENSOR
8 PRE SIDEDRESS SOIL NITRATE TEST 4 75% 0% 3 Search PRE+SIDEDRESS+SOIL+NITRATE+TEST Search PRE+SIDEDRESS+SOIL+NITRATE+TEST
9 OPTIMAL FERTILIZER STRATEGY 3 100% 0% 3 Search OPTIMAL+FERTILIZER+STRATEGY Search OPTIMAL+FERTILIZER+STRATEGY
10 PORTABLE CHLOROPHYLL METER 3 100% 0% 3 Search PORTABLE+CHLOROPHYLL+METER Search PORTABLE+CHLOROPHYLL+METER

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 CHLOROPHYLL METER 45 34% 11% 109
2 METER READINGS 33 75% 2% 24
3 SPAD 502 28 81% 2% 17
4 EXTRACTABLE CHLOROPHYLL 27 78% 2% 18
5 RESPONSE INDEX 23 86% 1% 12
6 IN SEASON PREDICTION 23 70% 2% 19
7 LEAF GREENNESS 15 67% 1% 14
8 CROP BASED INDICATORS 15 88% 1% 7
9 LEAF CHLOROPHYLL 12 34% 3% 28
10 CHLOROPHYLL METER READINGS 11 44% 2% 19

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Strategies to Make Use of Plant Sensors-Based Diagnostic Information for Nitrogen Recommendations 2009 67 104 64%
Does the crop or the soil indicate how to save nitrogen in maize production? Reviewing the state of the art 2000 132 77 52%
Improving nitrogen use efficiency for cereal production 1999 455 60 18%
Opportunities for improved fertilizer nitrogen management in production of arable crops in eastern Canada: A review 2009 44 179 24%
In-season soil nitrate testing as a guide to nitrogen management for annual crops 2002 8 21 95%
Field estimation of technological bread-making quality in wheat 2009 5 17 59%
Soil- and plant-based nitrogen-fertilizer recommendations in arable farming 2005 74 82 23%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 ON FARM NETWORK 15 88% 0.7% 7
2 VERNON JAMES EXT 4 75% 0.3% 3
3 GRP CULTIVAT REG DEV 2 67% 0.2% 2
4 MEASUREMENT TEST ENGN 2 67% 0.2% 2
5 SOIL FERTIL MICROBIOL 1 50% 0.2% 2
6 PEDOL PRECIS AGR S 1 33% 0.3% 3
7 PL SPATIAL ANAL 1 33% 0.2% 2
8 AGR ECON EXTENS EDUC 1 50% 0.1% 1
9 AGR REMOTE SENSING INFORMAT TECH 1 50% 0.1% 1
10 AGRON VEGETAL BIOTECHNOL 1 50% 0.1% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000238366 NLEAP//SOIL PLANT NUTRIENT UNIT//SPNRU
2 0.0000228902 STARTER DRESSINGS//NITRATE TEST STRIP//PLANT SAP
3 0.0000168693 VEGETATION INDICES//VEGETATION INDEX//AGR REMOTE SENSING INFORMAT SYST PLICAT
4 0.0000133944 UNIT STUDY CROPPING SYST//N INDICATORS//QUIM AGR EDAFOL
5 0.0000127659 LEAF COLOUR CHART//LEAF COLOR CHART//INDIGENOUS NUTRIENT SUPPLY
6 0.0000125535 MODELING KNOWLEDGE TRANSFER//SANDY ARABLE SOILS//POTENTIALLY MINERALIZABLE N
7 0.0000122488 PRECISION AGRICULTURE//SITE SPECIFIC CROP MANAGEMENT//GEOESTATISTICS
8 0.0000095529 N AND P PLACEMENT//N APPLICATION TIMING//WIDE ROW SPACING
9 0.0000093070 ROLLER CRIMPER//COVER CROPS//HAIRY VETCH
10 0.0000088724 MAYDICA//KERNEL NUMBER//KERNEL GROWTH RATE