Crop Yield and Soil Fertility
Crop Yield and Soil Fertility is a research topic within Agronomy and Crop Science. Science Explorer counts 39k research works in it since 1950. 14.7% of them reached the world's top 10% most cited for their field and year.
This cluster of papers explores various factors affecting maize yield, including nitrogen uptake, plant density, lodging resistance, hybrid selection, grain quality, stalk strength, source-sink relationship, genetic improvement, and crop management.
- Maize Yield
- Nitrogen Uptake
- Plant Density
- Lodging Resistance
- Hybrid Selection
- Grain Quality
- Stalk Strength
- Source-Sink Relationship
- Genetic Improvement
- Crop Management
- Research works
- 39k fractional, since 1950
- In the world top 10%
- 5.7k per year above
- Top-10% rate
- 14.7% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +42% the tick is no change
Which countries lead Crop Yield and Soil Fertility research?
By volume, India and China publish the most (2.1k and 1.3k works in 2022–2025).
How concentrated that is
The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.
Shares of the rows listed above, not of the whole node.
Which institutions lead Crop Yield and Soil Fertility research?
By volume in 2022–2025, Ethiopian Institute of Agricultural Research publishes the most Crop Yield and Soil Fertility research, followed by Sam Higginbottom Institute of Agriculture and Tamil Nadu Agricultural University.
By volume, 2022–2025
- 1 Ethiopian Institute of Agricultural ResearchEthiopia 127 works
- 2 Sam Higginbottom Institute of AgricultureIndia 126 works
- 3 Tamil Nadu Agricultural UniversityIndia 107 works
- 4 Agricultural Research CenterEgypt 103 works
- 5 Punjab Agricultural UniversityIndia 91 works
- 6 Indian Agricultural Research InstituteIndia 80 works
- 7 China Agricultural UniversityChina 78 works
- 8 Chandra Shekhar Azad University of Agriculture and TechnologyIndia 67 works
- 9 Lovely Professional UniversityIndia 64 works
- 10 Professor Jayashankar Telangana Agricultural UniversityIndia 57 works
Who are the leading researchers in Crop Yield and Soil Fertility?
The most-cited researchers publishing on Crop Yield and Soil Fertility include Ejaz Ahmad Khan, Ian Foster and C. A. Edwards.
- 1 Ejaz Ahmad Khan United States 7.1k citations
- 2 Ian Foster United States 4.9k citations
- 3 C. A. Edwards United States 4.6k citations
- 4 D. S. Jenkinson United States 3.3k citations
- 5 Pete Smith United Kingdom 3k citations
- 6 Rattan Lal United States 2.8k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Crop Yield and Soil Fertility research done?
The largest centres of Crop Yield and Soil Fertility research in 2022–2025 are Beijing (China), New Delhi (India), Giza (Egypt) and Allahabad (India). Among places with at least 20 works in it, it is an unusually large share of all research in Gia Lộc, Faizabad and As Samawah.
Largest cities, 2022–2025
- 1 Beijing China 354 works
- 2 New Delhi India 153 works
- 3 Giza Egypt 145 works
- 4 Allahabad India 142 works
- 5 Addis Ababa Ethiopia 137 works
- 6 Coimbatore India 124 works
- 7 Hyderabad India 115 works
- 8 Ludhiana India 110 works
- 9 Kanpur India 82 works
- 10 Faisalabad Pakistan 78 works
Where it is the local speciality
- Gia LộcVN · 28.6 works223×
- FaizabadIN · 22.3 works54×
- As SamawahIQ · 21.3 works53×
- BikanerIN · 37.2 works53×
Location quotient: how much more of its research is in Crop Yield and Soil Fertility than the world average.
Where is the best place to study Crop Yield and Soil Fertility?
Among universities, judged by research, China Agricultural University, Northwest A&F University and Nanjing Agricultural University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | China Agricultural UniversityChina | 70.5 | 56.6% | 16.4× | 78 | -44.1% |
| 2 | Northwest A&F UniversityChina | 69.5 | 59.4% | 15.1× | 51 | -32.0% |
| 3 | Nanjing Agricultural UniversityChina | 65.5 | 59.6% | 9.4× | 32 | -15.9% |
| 4 | Kansas State UniversityUnited States | 64.8 | 21.4% | 24.8× | 47 | +338.7% |
| 5 | Ethiopian Institute of Agricultural ResearchEthiopia | 63.6 | 6.0% | 124.1× | 127 | +1305.1% |
| 6 | Punjab Agricultural UniversityIndia | 62.7 | 9.9% | 65.2× | 91 | +278.3% |
| 7 | Agriculture and Forestry UniversityNepal | 61.7 | 10.3% | 83.9× | 48 | +909.3% |
| 8 | Gansu Agricultural UniversityChina | 61.5 | 56.3% | 19.6× | 25 | -34.2% |
| 9 | The University of Agriculture, PeshawarPakistan | 60.8 | 9.7% | 78.7× | 34 | +416.4% |
| 10 | University of Agriculture FaisalabadPakistan | 60.7 | 16.4% | 34.5× | 45 | +104.5% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Crop Yield and Soil Fertility research growing?
Output in 2018–2022 was 42% higher than in 2013–2017, peaking in 2024. The fastest-growing topics are Crop Yield and Soil Fertility.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Which topics inside it are moving
Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.