OOIR: Observatory of International Research

Papers

(The H4-Index of Field Crops Research is 47. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Sheep grazing increases the forage yield and reduces the yield-scaled soil CO2 emissions of sown pastures in an inland arid region	198
Editorial Board	172
Editorial Board	100
Towards higher agrobiodiversity – Evaluating the effects of undersowing different flowering species on soybean productivity	99
Management practices regulate the response of canopy and ecosystem water use efficiency in cropland ecosystems	87
Integrated mulching and nitrogen management strategies influence carbon footprint and sustainability of wheat production on the Loess Plateau of China	83
Long-term diversified cropping promotes wheat yield and sustainability across contrasting climates: Evidence from China and Switzerland	83
Crop nitrogen status and yield formation: A cross-species comparison for maize, rice, and wheat field crops	80
Estimating the maize above-ground biomass by constructing the tridimensional concept model based on UAV-based digital and multi-spectral images	78
Effective Striga control and yield intensification on maize farms in western Kenya with N fertilizer and herbicide-resistant variety	74
Optimizing nutrient management for various potato varieties based on source–sink relationships	71
Identification of agronomic and physiological traits in high rolling-resistance varieties for mechanized ratoon rice production	70
Optimizing tillage regimes in rice-rapeseed rotation system to enhance crop yield and environmental sustainability	67
Sustainability assessment of nitrogen nutrition index based topdressing nitrogen application	67
Contrasted reaction norms of wheat yield in pure vs mixed stands explained by tillering plasticities and shade avoidance	66
Relevance of grain number and grain weight on barley yield responses to environmental and genetic factors	66
Optimizing bioenergy sorghum productivity and nutrient removal in Illinois: Impact of nitrogen fertilization under diverse marginal conditions	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	65
Root system architecture in a barley RIL population: Agronomic effects of seedling and adult root traits	63
Regulation of photoassimilate transportation and nitrogen uptake to decrease greenhouse gas emissions in ratooning rice with higher economic return by optimized nitrogen supplies	61
Retrieving canopy nitrogen concentration and aboveground biomass with deep learning for ryegrass and barley: Comparing models and determining waveband contribution	60
Trends in crop yield estimation via data assimilation based on multi-interdisciplinary analysis	57
Ecosystem level carbon and moisture fluxes from a high biomass fibre producing jute crop (Corchorus olitorius L): An eddy covariance-based analysis	56
Variations in water availability and N cycling across different seasons in cover crop systems	56
Boll/leaf ratio improves the source–sink relationship and lint yield during the boll setting stage of cotton	55

Regulation of 2-acetyl-1-pyrroline (2-AP) biosynthesis and grain quality in fragrant rice under salt stress	55
Responses of soil water supply during the wheat growing season to agricultural management practice in Northern China: A meta-analysis	55
Evaluating nitrogen fertilization strategies to optimize yield and grain nitrogen content in top winter wheat varieties across Switzerland	54
Biochar effects on crop yield variability	53
Consistency, variability, and predictability of on-farm nutrient responses in four grain legumes across East and West Africa	52
Pi-efficient wheat cultivars screened by using both functional marker CAPS-799 and field experiment	51
Effects of cultural practices on weed community and seedbank dynamics in a potato rotation	51
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	51
One–third substitution of nitrogen with cow manure or biochar greatly reduced N2O emission and carbon footprint in saline–alkali soils	51
Quantifying pre- and post-anthesis heat waves on grain number and grain weight of contrasting wheat cultivars	50
Does straw return increase crop yield in the wheat-maize cropping system in China? A meta-analysis	50
Uncovering the potentials of long-term straw return and nitrogen supply on subtropical maize (Zea mays L.) photosynthesis and grain yield	50
Adapting the CROPGRO Perennial Forage model to predict growth and development of Pensacola bahiagrass	50
Key factors influencing wheat grain zinc and manganese concentration in areas with different soil available phosphorus	50
Nitrogen application at a lower rate reduce net field global warming potential and greenhouse gas intensity in winter wheat grown in semi-arid region of the Loess Plateau	49
The allometric relationships between biomass and nitrogen of vegetative organs affect crop N status in maize at silking stage	49
Evaluation and application of the CROPGRO – Cowpea model for simulating appropriate sowing window and planting density of cowpea varieties across contrasting environments	49
How will future climates in the Pakistani Punjab rice-wheat system affect the optimal agronomic settings, and can adaptation offset losses?	49
Effects of sunflower residue management options on productivity and profitability of succeeding rice under different crop establishment methods	49
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	49
Physiological responses to subsoil manuring in crop species across high and medium rainfall regions	48
Simulating plastic mulching effects on the soil water balance and maize yields using the modified RZ-SHAW model	47
Agronomic manipulation in main season and ratoon rice influences growth, productivity, and regeneration ability in tropical lowlands	47
Overyielding of maize cultivar mixtures is associated with interaction-driven depth partitioning of roots	47