OOIR: Observatory of International Research

Papers

(The H4-Index of Field Crops Research is 44. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)

Article	Citations
Effects of cultural practices on weed community and seedbank dynamics in a potato rotation	142
Ecosystem level carbon and moisture fluxes from a high biomass fibre producing jute crop (Corchorus olitorius L): An eddy covariance-based analysis	131
Crop nitrogen status and yield formation: A cross-species comparison for maize, rice, and wheat field crops	120
Sheep grazing increases the forage yield and reduces the yield-scaled soil CO2 emissions of sown pastures in an inland arid region	115
Editorial Board	80
Variations in water availability and N cycling across different seasons in cover crop systems	79
Root system architecture in a barley RIL population: Agronomic effects of seedling and adult root traits	79
Boll/leaf ratio improves the source–sink relationship and lint yield during the boll setting stage of cotton	78
Optimizing bioenergy sorghum productivity and nutrient removal in Illinois: Impact of nitrogen fertilization under diverse marginal conditions	75
Editorial Board	69
Long-term no tillage straw mulching increased soil water and nitrogen storage in dryland wheat on the Loess Plateau, but may increase dissolved organic nitrogen leaching	65
Long-term diversified cropping promotes wheat yield and sustainability across contrasting climates: Evidence from China and Switzerland	65
Towards higher agrobiodiversity – Evaluating the effects of undersowing different flowering species on soybean productivity	65
Selection of suitable type and application rate of biochar for alfalfa (Medicago sativa L.) productivity in ridge-furrow rainwater-harvesting in semiarid regions of China	64
Effective Striga control and yield intensification on maize farms in western Kenya with N fertilizer and herbicide-resistant variety	62
Evaluating nitrogen fertilization strategies to optimize yield and grain nitrogen content in top winter wheat varieties across Switzerland	62
Uncovering the potentials of long-term straw return and nitrogen supply on subtropical maize (Zea mays L.) photosynthesis and grain yield	61
Comparative prediction accuracy of hyperspectral bands for different soybean crop variables: From leaf area to seed composition	59
Incorporation of rice residue and green gram cultivation saves nitrogen, improve soil health and sustainability of rice-wheat system	59
Estimating the maize above-ground biomass by constructing the tridimensional concept model based on UAV-based digital and multi-spectral images	57
Relevance of grain number and grain weight on barley yield responses to environmental and genetic factors	56
Responses of soil water supply during the wheat growing season to agricultural management practice in Northern China: A meta-analysis	56
Management practices regulate the response of canopy and ecosystem water use efficiency in cropland ecosystems	55
Developing recommendations for increased productivity in cassava-maize intercropping systems in Southern Nigeria	53
Regulation of photoassimilate transportation and nitrogen uptake to decrease greenhouse gas emissions in ratooning rice with higher economic return by optimized nitrogen supplies	52

Biochar effects on crop yield variability	51
Contrasted reaction norms of wheat yield in pure vs mixed stands explained by tillering plasticities and shade avoidance	50
Consistency, variability, and predictability of on-farm nutrient responses in four grain legumes across East and West Africa	50
Agronomic and physiological traits facilitating better yield performance of japonica/indica hybrids in saline fields	48
Integrated mulching and nitrogen management strategies influence carbon footprint and sustainability of wheat production on the Loess Plateau of China	48
Quantifying pre- and post-anthesis heat waves on grain number and grain weight of contrasting wheat cultivars	48
Key factors influencing wheat grain zinc and manganese concentration in areas with different soil available phosphorus	48
Optimizing tillage regimes in rice-rapeseed rotation system to enhance crop yield and environmental sustainability	47
Sustainability assessment of nitrogen nutrition index based topdressing nitrogen application	47
Retrieving canopy nitrogen concentration and aboveground biomass with deep learning for ryegrass and barley: Comparing models and determining waveband contribution	46
Adapting the CROPGRO Perennial Forage model to predict growth and development of Pensacola bahiagrass	46
Regulation of 2-acetyl-1-pyrroline (2-AP) biosynthesis and grain quality in fragrant rice under salt stress	46
Improving maize nitrogen nutrition index prediction using leaf fluorescence sensor combined with environmental and management variables	45
Does straw return increase crop yield in the wheat-maize cropping system in China? A meta-analysis	45
Trends in crop yield estimation via data assimilation based on multi-interdisciplinary analysis	45
Pi-efficient wheat cultivars screened by using both functional marker CAPS-799 and field experiment	45
Cover crops and controlled-release urea decrease need for mineral nitrogen fertilizer for cotton in sandy soil	44
One–third substitution of nitrogen with cow manure or biochar greatly reduced N2O emission and carbon footprint in saline–alkali soils	44
Sequential submergence and drought induce yield loss in rice by affecting redox homeostasis and source-to-sink sugar transport	44