OOIR: Observatory of International Research

Papers

(The H4-Index of Field Crops Research is 42. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Ecosystem level carbon and moisture fluxes from a high biomass fibre producing jute crop (Corchorus olitorius L): An eddy covariance-based analysis	165
Sheep grazing increases the forage yield and reduces the yield-scaled soil CO2 emissions of sown pastures in an inland arid region	139
Editorial Board	88
Crop nitrogen status and yield formation: A cross-species comparison for maize, rice, and wheat field crops	87
Editorial Board	86
Long-term diversified cropping promotes wheat yield and sustainability across contrasting climates: Evidence from China and Switzerland	78
Towards higher agrobiodiversity – Evaluating the effects of undersowing different flowering species on soybean productivity	72
Adapting the CROPGRO Perennial Forage model to predict growth and development of Pensacola bahiagrass	70
Agronomic and physiological traits facilitating better yield performance of japonica/indica hybrids in saline fields	68
Key factors influencing wheat grain zinc and manganese concentration in areas with different soil available phosphorus	67
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
Contrasted reaction norms of wheat yield in pure vs mixed stands explained by tillering plasticities and shade avoidance	61
Consistency, variability, and predictability of on-farm nutrient responses in four grain legumes across East and West Africa	58
Relevance of grain number and grain weight on barley yield responses to environmental and genetic factors	57
Pi-efficient wheat cultivars screened by using both functional marker CAPS-799 and field experiment	56
Incorporation of rice residue and green gram cultivation saves nitrogen, improve soil health and sustainability of rice-wheat system	56
Effective Striga control and yield intensification on maize farms in western Kenya with N fertilizer and herbicide-resistant variety	55
One–third substitution of nitrogen with cow manure or biochar greatly reduced N2O emission and carbon footprint in saline–alkali soils	55
Responses of soil water supply during the wheat growing season to agricultural management practice in Northern China: A meta-analysis	54
Optimizing bioenergy sorghum productivity and nutrient removal in Illinois: Impact of nitrogen fertilization under diverse marginal conditions	54
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	54
Integrated mulching and nitrogen management strategies influence carbon footprint and sustainability of wheat production on the Loess Plateau of China	54
Biochar effects on crop yield variability	53
Variations in water availability and N cycling across different seasons in cover crop systems	52
Evaluating nitrogen fertilization strategies to optimize yield and grain nitrogen content in top winter wheat varieties across Switzerland	51

Comparative prediction accuracy of hyperspectral bands for different soybean crop variables: From leaf area to seed composition	50
Uncovering the potentials of long-term straw return and nitrogen supply on subtropical maize (Zea mays L.) photosynthesis and grain yield	50
Root system architecture in a barley RIL population: Agronomic effects of seedling and adult root traits	50
Boll/leaf ratio improves the source–sink relationship and lint yield during the boll setting stage of cotton	49
Regulation of 2-acetyl-1-pyrroline (2-AP) biosynthesis and grain quality in fragrant rice under salt stress	48
Trends in crop yield estimation via data assimilation based on multi-interdisciplinary analysis	47
Regulation of photoassimilate transportation and nitrogen uptake to decrease greenhouse gas emissions in ratooning rice with higher economic return by optimized nitrogen supplies	47
Quantifying pre- and post-anthesis heat waves on grain number and grain weight of contrasting wheat cultivars	46
Effects of cultural practices on weed community and seedbank dynamics in a potato rotation	45
Management practices regulate the response of canopy and ecosystem water use efficiency in cropland ecosystems	44
Developing recommendations for increased productivity in cassava-maize intercropping systems in Southern Nigeria	44
Does straw return increase crop yield in the wheat-maize cropping system in China? A meta-analysis	43
Estimating the maize above-ground biomass by constructing the tridimensional concept model based on UAV-based digital and multi-spectral images	43
Retrieving canopy nitrogen concentration and aboveground biomass with deep learning for ryegrass and barley: Comparing models and determining waveband contribution	43
Screening suitable legumes for living mulches to support nitrogen dynamics and weed control in a durum wheat-forage sorghum crop sequence	42
Optimizing nitrogen fertilizer inputs and plant populations for greener wheat production with high yields and high efficiency in dryland areas	42
Evaluation and application of the CROPGRO – Cowpea model for simulating appropriate sowing window and planting density of cowpea varieties across contrasting environments	42
Sustainability assessment of nitrogen nutrition index based topdressing nitrogen application	42
Effects of sunflower residue management options on productivity and profitability of succeeding rice under different crop establishment methods	42
Optimizing tillage regimes in rice-rapeseed rotation system to enhance crop yield and environmental sustainability	42