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 2021-11-01 to 2025-11-01.)

Article	Citations
Sheep grazing increases the forage yield and reduces the yield-scaled soil CO2 emissions of sown pastures in an inland arid region	184
Editorial Board	156
Towards higher agrobiodiversity – Evaluating the effects of undersowing different flowering species on soybean productivity	95
Long-term diversified cropping promotes wheat yield and sustainability across contrasting climates: Evidence from China and Switzerland	95
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	81
Effects of cultural practices on weed community and seedbank dynamics in a potato rotation	79
Boll/leaf ratio improves the source–sink relationship and lint yield during the boll setting stage of cotton	77
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	73
Relevance of grain number and grain weight on barley yield responses to environmental and genetic factors	70
Key factors influencing wheat grain zinc and manganese concentration in areas with different soil available phosphorus	69
Effective Striga control and yield intensification on maize farms in western Kenya with N fertilizer and herbicide-resistant variety	69
Contrasted reaction norms of wheat yield in pure vs mixed stands explained by tillering plasticities and shade avoidance	68
Pi-efficient wheat cultivars screened by using both functional marker CAPS-799 and field experiment	66
Identification of agronomic and physiological traits in high rolling-resistance varieties for mechanized ratoon rice production	64
Optimizing nutrient management for various potato varieties based on source–sink relationships	63
Evaluating nitrogen fertilization strategies to optimize yield and grain nitrogen content in top winter wheat varieties across Switzerland	62
Does straw return increase crop yield in the wheat-maize cropping system in China? A meta-analysis	61
Regulation of 2-acetyl-1-pyrroline (2-AP) biosynthesis and grain quality in fragrant rice under salt stress	60
One–third substitution of nitrogen with cow manure or biochar greatly reduced N2O emission and carbon footprint in saline–alkali soils	58
Regulation of photoassimilate transportation and nitrogen uptake to decrease greenhouse gas emissions in ratooning rice with higher economic return by optimized nitrogen supplies	58
Quantifying pre- and post-anthesis heat waves on grain number and grain weight of contrasting wheat cultivars	57
Ecosystem level carbon and moisture fluxes from a high biomass fibre producing jute crop (Corchorus olitorius L): An eddy covariance-based analysis	55
Optimizing bioenergy sorghum productivity and nutrient removal in Illinois: Impact of nitrogen fertilization under diverse marginal conditions	55
Estimating the maize above-ground biomass by constructing the tridimensional concept model based on UAV-based digital and multi-spectral images	53
Management practices regulate the response of canopy and ecosystem water use efficiency in cropland ecosystems	51

Consistency, variability, and predictability of on-farm nutrient responses in four grain legumes across East and West Africa	51
Adapting the CROPGRO Perennial Forage model to predict growth and development of Pensacola bahiagrass	50
Editorial Board	50
Integrated mulching and nitrogen management strategies influence carbon footprint and sustainability of wheat production on the Loess Plateau of China	49
Uncovering the potentials of long-term straw return and nitrogen supply on subtropical maize (Zea mays L.) photosynthesis and grain yield	49
Root system architecture in a barley RIL population: Agronomic effects of seedling and adult root traits	49
Responses of soil water supply during the wheat growing season to agricultural management practice in Northern China: A meta-analysis	48
Biochar effects on crop yield variability	47
Optimizing tillage regimes in rice-rapeseed rotation system to enhance crop yield and environmental sustainability	47
Crop nitrogen status and yield formation: A cross-species comparison for maize, rice, and wheat field crops	47
Trends in crop yield estimation via data assimilation based on multi-interdisciplinary analysis	47
Variations in water availability and N cycling across different seasons in cover crop systems	46
Sustainability assessment of nitrogen nutrition index based topdressing nitrogen application	46
Residual effects of repeated catch crops on spring barley yield and nitrate leaching	46
Retrieving canopy nitrogen concentration and aboveground biomass with deep learning for ryegrass and barley: Comparing models and determining waveband contribution	46
Evaluation and application of the CROPGRO – Cowpea model for simulating appropriate sowing window and planting density of cowpea varieties across contrasting environments	45
Annual cumulative ambient precipitation determines the effects of climate change on biomass and yield of three important field crops	45
Overyielding of maize cultivar mixtures is associated with interaction-driven depth partitioning of roots	45
Light interception, agronomic performance,and nutritive quality of annual forage legumes as affected by shade	44
Comparison of phosphorus application on crop yield and soil phosphorus pool in rapeseed/wheat-rice rotations: An 8-year field experiment	44
Integrating UAV and satellite LAI data into a modified DSSAT-rapeseed model to improve yield predictions	44
Positive legacy effects of grass-legume mixture leys on phosphorus uptake and yield of maize weaken over the growing season	44
Soybean-maize intercropping combined with water management enhances leaf traits to obtain yield benefits in semi-arid regions	44
Tillage practices and mulching affect system productivity, profitability and energy use in Sesbania alley based food - fodder systems under rainfed agro-ecosystems of semi-arid tropics	44
Sequential submergence and drought induce yield loss in rice by affecting redox homeostasis and source-to-sink sugar transport	44