OOIR: Observatory of International Research

Papers

(The H4-Index of Field Crops Research is 38. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Meta-analysis of green manure effects on soil properties and crop yield in northern China	93
Nitrogen and rice straw incorporation impact nitrogen use efficiency, soil nitrogen pools and enzyme activity in rice-wheat system in north-western India	89
Does straw return increase crop yield in the wheat-maize cropping system in China? A meta-analysis	77
Biological nitrogen fixation and prospects for ecological intensification in cereal-based cropping systems	76
Cotton/halophytes intercropping decreases salt accumulation and improves soil physicochemical properties and crop productivity in saline-alkali soils under mulched drip irrigation: A three-year field	66
Twice-split application of controlled-release nitrogen fertilizer met the nitrogen demand of winter wheat	65
Genotype × environment interaction and selection of maize (Zea mays L.) hybrids across moisture regimes	63
The ratoon rice system with high yield and high efficiency in China: Progress, trend of theory and technology	60
Can controlled-release urea replace the split application of normal urea in China? A meta-analysis based on crop grain yield and nitrogen use efficiency	57
Machine learning for regional crop yield forecasting in Europe	57
Predicting potential cultivation region and paddy area for ratoon rice production in China using Maxent model	54
Revisiting intercropping indices with respect to potato-legume intercropping systems	53
Alternate wetting and drying irrigation combined with the proportion of polymer-coated urea and conventional urea rates increases grain yield, water and nitrogen use efficiencies in rice	50
Perenniality and diversity drive output stability and resilience in a 26-year cropping systems experiment	50
Sensitivity of the DSSAT model in simulating maize yield and soil carbon dynamics in arid Mediterranean climate: Effect of soil, genotype and crop management	49
Remote estimation of grain yield based on UAV data in different rice cultivars under contrasting climatic zone	48
Optimizing irrigation and planting density of spring maize under mulch drip irrigation system in the arid region of Northwest China	48
Decomposing rice yield gaps into efficiency, resource and technology yield gaps in sub-Saharan Africa	48
Evapotranspiration partitioning, water use efficiency, and maize yield under different film mulching and nitrogen application in northwest China	47
Legume-oilseed intercropping in mechanised broadacre agriculture – a review	47
Assessing the impacts of cover crops on maize and soybean yield in the U.S. Midwestern agroecosystems	46
Modeling the current land suitability and future dynamics of global soybean cultivation under climate change scenarios	46
Grain yield and greenhouse gas emissions from maize and wheat fields under plastic film and straw mulching: A meta-analysis	45
Wheat straw mulching with nitrification inhibitor application improves grain yield and economic benefit while mitigating gaseous emissions from a dryland maize field in northwest China	45
A novel plant growth regulator improves the grain yield of high-density maize crops by reducing stalk lodging and promoting a compact plant type	45

Reduced groundwater use and increased grain production by optimized irrigation scheduling in winter wheat–summer maize double cropping system—A 16-year field study in North China Plain	43
Maize/peanut intercropping increases land productivity: A meta-analysis	43
Can deep fertilizer application enhance maize productivity by delaying leaf senescence and decreasing nitrate residue levels?	43
Ridge-furrow film mulching improves water and nitrogen use efficiencies under reduced irrigation and nitrogen applications in wheat field	43
Root physiological adaptations that enhance the grain yield and nutrient use efficiency of maize (Zea mays L) and their dependency on phosphorus placement depth	43
Integrating satellite imagery and environmental data to predict field-level cane and sugar yields in Australia using machine learning	41
Assessing the uncertainty of maize yield without nitrogen fertilization	40
Genetic gain for rice yield in rainfed environments in India	40
Film mulching affects root growth and function in dryland maize-soybean intercropping	39
Progress in research on site-specific nutrient management for smallholder farmers in sub-Saharan Africa	39
Ammoniated straw incorporation increases wheat yield, yield stability, soil organic carbon and soil total nitrogen content	39
A comprehensive yield evaluation indicator based on an improved fuzzy comprehensive evaluation method and hyperspectral data	38
Analysis of spatio-temporal variation of crop yield in China using stepwise multiple linear regression	38
The FLORSYS crop-weed canopy model, a tool to investigate and promote agroecological weed management	38
Different responses to weather events may change the cultivation balance of spring barley and oats in the future	38