OOIR: Observatory of International Research

Papers

(The TQCC of Precision Agriculture is 16. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Hyperspectral sensing and mapping of soil carbon content for amending within-field heterogeneity of soil fertility and enhancing soil carbon sequestration	301
Near real-time yield forecasting of winter wheat using Sentinel-2 imagery at the early stages	159
Recognition of sunflower growth period based on deep learning from UAV remote sensing images	149
Soil2Cover: Coverage path planning minimizing soil compaction for sustainable agriculture	112
On-farm experimentation: assessing the effect of combine ground speed on grain yield monitor data estimates	93
Red-green-blue to normalized difference vegetation index translation: a robust and inexpensive approach for vegetation monitoring using machine vision and generative adversarial networks	84
Detection of downy mildew infection in grapevine leaves using field spectroscopy and machine learning	74
Clustered tomato detection and picking point location using machine learning-aided image analysis for automatic robotic harvesting	72
A novel end-effector for a fruit and vegetable harvesting robot: mechanism and field experiment	64
Using UAV-based multispectral remote sensing imagery combined with DRIS method to diagnose leaf nitrogen nutrition status in a fertigated apple orchard	61
Integrating computer vision and precision sprayers for targeted green fruit chemical thinning	59
Recognition of mango and location of picking point on stem based on a multi-task CNN model named YOLOMS	59
A novel approach for analysing environmental sustainability aspects of combine harvesters through telematics data. Part II: an IT tool for comparative analysis	57
Smart UAV-assisted blueberry maturity monitoring with Mamba-based computer vision	57
UAV-based canopy monitoring: calibration of a multispectral sensor for green area index and nitrogen uptake across several crops	54
Joint plant-spraypoint detector with ConvNeXt modules and HistMatch normalization	52
Improving spatial resolutions of unmanned aerial vehicle hyperspectral images to predict grain yield and protein content in rice	52
Maize tassel number and tasseling stage monitoring based on near-ground and UAV RGB images by improved YoloV8	52
A modified crop water stress index (mCWSI) for rainfed crops by accounting spatial variability of leaf temperature	47
Developing an innovative stacking ensemble machine learning and multi-source data fusion-based precision nitrogen management strategy for corn	46
Use of remote sensing-derived fPAR data in a grapevine simulation model for estimating vine biomass accumulation and yield variability at sub-field level	45
Quantifying corn LAI using machine learning and UAV multispectral imaging	42
Improved estimation of herbaceous crop aboveground biomass using UAV-derived crop height combined with vegetation indices	40
Combining 2D image and point cloud deep learning to predict wheat above ground biomass	39
Assessing seeding rate management strategies for maize production in South Africa: Insights from the Data Intensive Farm Management Project	39

Spectral characteristics of winter wheat varieties depending on the development degree of Pyrenophora tritici-repentis	38
A novel approach for analysing environmental sustainability aspects of combine harvester through telematics data. Part I: evaluation and analysis of field tests	38
Impact of soil electrical conductivity-based site-specific seeding and uniform rate seeding methods on winter wheat yield parameters and economic benefits	38
Prediction of foliar nutrient concentrations and yield of avocado using on-farm and laboratory based hyperspectral imaging	37
Quantifying real-time opening disk load during planting operations to assess compaction and potential for planter control	36
Optimal treatment placement for on-farm experiments: pseudo-Bayesian optimal designs with a linear response plateau model	35
Correction to: Chickpea leaf water potential estimation from ground and VENµS satellite	35
Evaluation of the PROMET model for yield estimation and N fertilization in on-farm research	35
Repeatability of commercially available visible and near infrared proximal soil sensors	35
Data fusion approach for predicting high resolution estimates of crop evapotranspiration	34
Hyperspectral assessment of bacterial blight disease in red kidney beans by feature selection and machine learning algorithms	34
Changing perceptions of crop robotics in social media	34
Effects of variable rate irrigation and fertilization under center pivot system on water conservation, fertilizer efficiency, and yield in winter wheat	33
Unmanned aerial system plant protection products spraying performance evaluation on a vineyard	33
The economic performances of different trial designs in on-farm precision experimentation: a Monte Carlo evaluation	32
Utility of visible and near-infrared spectroscopy to predict base neutralizing capacity and lime requirement of quaternary soils	32
Farewells	32
An applied framework to unlocking multi-angular UAV reflectance data: a case study for classification of plant parameters in maize (Zea mays)	32
Incorporation of mechanistic model outputs as features for data-driven models for yield prediction: a case study on wheat and chickpea	32
Spatial variability of soil properties, nitrogen balance and nitrate leaching using digital methods on heterogeneous arable fields in southern Germany	31
Early asymptomatic diagnosis of tobacco mosaic virus in fields utilizing hyperspectral imaging technology from unmanned aerial vehicle	31
Delineation of management zones dealing with low sampling and outliers	31
Improving harvester yield maps postprocessing leveraging remote sensing data in rice crop	31
An ultra-lightweight efficient network for image-based plant disease and pest infection detection	30
Adding random points to sampling grids to improve the quality of soil fertility maps	30
Data-driven agriculture and sustainable farming: friends or foes?	30
Field-scale digital mapping of top- and subsoil Chernozem properties	29
Monitoring the interannual dynamic changes of soil organic matter using long-term Landsat images	29
Prediction of cotton yield based on soil texture, weather conditions and UAV imagery using deep learning	29
Opportunities for variable rate application of nitrogen under spatial water variations in rainfed wheat systems—an economic analysis	28
Planning and optimization of nitrogen fertilization in corn based on multispectral images and leaf nitrogen content using unmanned aerial vehicle (UAV)	27
Canopy height and biomass prediction in Mombaça guinea grass pastures using satellite imagery and machine learning	27
Integration of multi-temporal sentinel-1 and sentinel-2 data for paddy rice crop height estimation and uncertainty assessment using quantile regression forests	27
Spatial variability in soil characteristics is associated with Vidalia onion pungency and yield	27
Expanding the services of cereal/legume cover crop mixtures: From UAV-RGB species-dominance identification to precision-based pre-plant nitrogen decisions	26
Drone-based assessment of multifunctionality in mixed cropping systems	26
Developing a segment anything model-based framework for automated plot extraction	26
Dense Proximal Sensing of Soil Apparent Electrical Conductivity using Autonomous Field Robotics	26
What drives the adoption of digital technology? An empirical assessment of multiple technology adoption by soybean farmers in São Paulo, Brazil	25
Conventional management vs. precision viticulture: A comparison of different levels of mechanization and their impact on vineyard profitability	25
Drivers and barriers to precision agriculture adoption in Czech agriculture	25
Model-averaging as an accurate approach for ex-post economic optimum nitrogen rate estimation	25
Combined effects of planter speed, downforce setting, and row unit location over corn seed placement	25
Devising optimized maize nitrogen stress indices in complex field conditions from UAV hyperspectral imagery	24
Correction to: a novel method for optimizing regional-scale management zones based on a sustainable environmental index	24
Generalized data-driven optimal path planning framework for uniform coverage missions using crop spraying UAVs	24
Assessing deep learning models for regional wheat yield prediction using Sentinel‑2 and environmental data	23
Evolution of precision agricultural technologies: a patent network analysis	23
Statistical diagnostics for sensing spatial residue cover	23
Fully automated proximal hyperspectral imaging system for high-resolution and high-quality in vivo soybean phenotyping	23

Thermal imaging for identification of malfunctions in subsurface drip irrigation in orchards	23
Sugarcane yield estimation in Thailand at multiple scales using the integration of UAV and Sentinel-2 imagery	23
Spatial and dynamic distribution of Chrysoperla spp. and Leucoptera coffeella populations in coffee Coffea arabica L	23
Real-time detection and characterization of trunks and upright branches of pear trees for automatic dormant pruning	22
Development and field performance evaluation of hole-fertilizing planter and dynamic alignment control system for precision planting of corn	22
Assessing neglected and underutilised taro crop water status using physiological indicators and UAV multi-modal thermal-multispectral data	22
Visible-near infrared and mid infrared spectroscopy for rapid nutrient profiling: a comparative assessment and model transferability using fresh and dry-ground plant tissues in cotton	22
Enhancing visual autonomous navigation in row-based crops with effective synthetic data generation	22
Robust Spectral Classification Under Sample Type and Seasonal Variability: A Proximal Remote Sensing Approach for Grapevine Cultivar Discrimination	21
Optimizing soybean breeding: High-throughput phenotyping for stink bug resistance and high yields	21
Field validation of NDVI to identify crop phenological signatures	21
On-Farm variable rate nitrogen management in irrigated potato	21
Interannual assessment of intra-vineyard variability through NDVI-based zoning in a mediterranean environment	21
From pen and paper to digital precision: a comprehensive review of on-farm recordkeeping	20
From plot to field: A practical and robust model for rapeseed LAI inversion using a consumer-grade UAV RGB imaging platform	20
Crop yield levels and nutrient requirements in field edge zones—is precision management motivated?	20
End-to-end 3D CNN for plot-scale soybean yield prediction using multitemporal UAV-based RGB images	20
Deep mango cultivars: cultivar detection by classification method with maximum misidentification rate estimation	20
A new method to monitor the brown planthopper population size and its damage using canopy temperature of rice plants	20
Evaluation of the most scalable, accurate and cost trade-offs machine learning framework to estimate the Mediterranean wood-pasture yield	20
Machine learning approach for satellite-based subfield canola yield prediction using floral phenology metrics and soil parameters	20
Efficient tomato harvesting robot based on image processing and deep learning	20
Adaptively spatial feature fusion network: an improved UAV detection method for wheat scab	20
Remote estimation of leaf water concentration in winter wheat under different nitrogen treatments and plant growth stages	20
Quantification of rice spikelet rot disease severity at organ scale with proximal imaging spectroscopy	20
Spatial and temporal correlation between soil and rice relative yield in small-scale paddy fields and management zones	20
Economics and adoption perspectives of site-specific weed management: A review	20
Enhancing model performance through date fusion in multispectral and RGB image-based field phenotyping of wheat grain yield	19
Small-target weed-detection model based on YOLO-V4 with improved backbone and neck structures	19
Effects of pre-emergence herbicide on targeted post-emergence herbicide application in plasticulture production	19
A dual-driven framework integrating remote sensing and spatial interpolation for mapping soil organic matter under straw cover	19
Olive yield monitor for small farms based on an instrumented trailer to collect big bags from the ground	19
UAV-based multispectral and thermal indexes for estimating crop water status and yield on super-high-density olive orchards under deficit irrigation conditions	19
Enhancing the capacity of southeastern extension change agents to facilitate the dissemination of precision farming: a Delphi approach	18
Land surface phenology for the characterization of Mediterranean permanent grasslands	17
A novel method for optimizing regional-scale management zones based on a sustainable environmental index	17
Field path optimization to reduce headland and turning maneuvers at regional scales: automated detection of cultivation direction in the state of Brandenburg, Germany	17
Robust automated processing of continuous electrical resistivity measurements for soil texture mapping in support of optimized precision farming	17
Evaluation of different crop model-based approaches for variable rate nitrogen fertilization in winter wheat	16
Enhancing seasonal leaf area index estimation using PLSR with Sentinel-2 spectral and texture features: the importance of feature engineering and feature selection	16
Predicting within-field grain protein content at scale using agronomic and remote sensing variables, and machine learning	16
Crop stress detection from UAVs: best practices and lessons learned for exploiting sensor synergies	16
Potential of handheld low-cost multispectral sensors for decision support in viticulture	16
Within-season vegetation indices and yield stability as a predictor of spatial patterns of Maize (Zea mays L) yields	16
The estimation of wheat tiller number based on UAV images and gradual change features (GCFs)	16
On-farm cereal rye biomass estimation using machine learning on images from an unmanned aerial system	16