OOIR: Observatory of International Research

Papers

(The H4-Index of Field Crops Research is 43. 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 2021-10-01 to 2025-10-01.)

Article	Citations
Sheep grazing increases the forage yield and reduces the yield-scaled soil CO2 emissions of sown pastures in an inland arid region	174
Editorial Board	147
Effective Striga control and yield intensification on maize farms in western Kenya with N fertilizer and herbicide-resistant variety	93
Responses of soil water supply during the wheat growing season to agricultural management practice in Northern China: A meta-analysis	89
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	87
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	75
Evaluating nitrogen fertilization strategies to optimize yield and grain nitrogen content in top winter wheat varieties across Switzerland	75
Editorial Board	71
Long-term diversified cropping promotes wheat yield and sustainability across contrasting climates: Evidence from China and Switzerland	68
Towards higher agrobiodiversity – Evaluating the effects of undersowing different flowering species on soybean productivity	67
Optimizing tillage regimes in rice-rapeseed rotation system to enhance crop yield and environmental sustainability	66
Regulation of 2-acetyl-1-pyrroline (2-AP) biosynthesis and grain quality in fragrant rice under salt stress	64
Retrieving canopy nitrogen concentration and aboveground biomass with deep learning for ryegrass and barley: Comparing models and determining waveband contribution	62
Consistency, variability, and predictability of on-farm nutrient responses in four grain legumes across East and West Africa	61
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	60
Uncovering the potentials of long-term straw return and nitrogen supply on subtropical maize (Zea mays L.) photosynthesis and grain yield	60
Management practices regulate the response of canopy and ecosystem water use efficiency in cropland ecosystems	59
Key factors influencing wheat grain zinc and manganese concentration in areas with different soil available phosphorus	59
Sustainability assessment of nitrogen nutrition index based topdressing nitrogen application	56
Effects of cultural practices on weed community and seedbank dynamics in a potato rotation	56
Boll/leaf ratio improves the source–sink relationship and lint yield during the boll setting stage of cotton	55
Developing recommendations for increased productivity in cassava-maize intercropping systems in Southern Nigeria	54
Relevance of grain number and grain weight on barley yield responses to environmental and genetic factors	52
Optimizing bioenergy sorghum productivity and nutrient removal in Illinois: Impact of nitrogen fertilization under diverse marginal conditions	52

Quantifying pre- and post-anthesis heat waves on grain number and grain weight of contrasting wheat cultivars	51
Pi-efficient wheat cultivars screened by using both functional marker CAPS-799 and field experiment	51
Regulation of photoassimilate transportation and nitrogen uptake to decrease greenhouse gas emissions in ratooning rice with higher economic return by optimized nitrogen supplies	50
Ecosystem level carbon and moisture fluxes from a high biomass fibre producing jute crop (Corchorus olitorius L): An eddy covariance-based analysis	49
Contrasted reaction norms of wheat yield in pure vs mixed stands explained by tillering plasticities and shade avoidance	48
Crop nitrogen status and yield formation: A cross-species comparison for maize, rice, and wheat field crops	47
One–third substitution of nitrogen with cow manure or biochar greatly reduced N2O emission and carbon footprint in saline–alkali soils	47
Adapting the CROPGRO Perennial Forage model to predict growth and development of Pensacola bahiagrass	47
Biochar effects on crop yield variability	45
Integrated mulching and nitrogen management strategies influence carbon footprint and sustainability of wheat production on the Loess Plateau of China	45
Does straw return increase crop yield in the wheat-maize cropping system in China? A meta-analysis	44
Estimating the maize above-ground biomass by constructing the tridimensional concept model based on UAV-based digital and multi-spectral images	44
Trends in crop yield estimation via data assimilation based on multi-interdisciplinary analysis	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	43
Evaluation and application of the CROPGRO – Cowpea model for simulating appropriate sowing window and planting density of cowpea varieties across contrasting environments	43
How will future climates in the Pakistani Punjab rice-wheat system affect the optimal agronomic settings, and can adaptation offset losses?	43
Effects of sunflower residue management options on productivity and profitability of succeeding rice under different crop establishment methods	43
Diversifying cropping sequence reduces nitrogen leaching risks	43
Cover crops and controlled-release urea decrease need for mineral nitrogen fertilizer for cotton in sandy soil	43
Optimizing nitrogen fertilizer inputs and plant populations for greener wheat production with high yields and high efficiency in dryland areas	43