OOIR: Observatory of International Research

Papers

(The TQCC of Precision Agriculture is 14. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Hyperspectral sensing and mapping of soil carbon content for amending within-field heterogeneity of soil fertility and enhancing soil carbon sequestration	203
On-farm experimentation: assessing the effect of combine ground speed on grain yield monitor data estimates	202
Integrating computer vision and precision sprayers for targeted green fruit chemical thinning	113
Smart UAV-assisted blueberry maturity monitoring with Mamba-based computer vision	104
Recognition of sunflower growth period based on deep learning from UAV remote sensing images	103
Near real-time yield forecasting of winter wheat using Sentinel-2 imagery at the early stages	96
Red-green-blue to normalized difference vegetation index translation: a robust and inexpensive approach for vegetation monitoring using machine vision and generative adversarial networks	76
Clustered tomato detection and picking point location using machine learning-aided image analysis for automatic robotic harvesting	74
Soil2Cover: Coverage path planning minimizing soil compaction for sustainable agriculture	74
A novel end-effector for a fruit and vegetable harvesting robot: mechanism and field experiment	64
Recognition of mango and location of picking point on stem based on a multi-task CNN model named YOLOMS	63
Using UAV-based multispectral remote sensing imagery combined with DRIS method to diagnose leaf nitrogen nutrition status in a fertigated apple orchard	63
A novel approach for analysing environmental sustainability aspects of combine harvesters through telematics data. Part II: an IT tool for comparative analysis	61
Joint plant-spraypoint detector with ConvNeXt modules and HistMatch normalization	59
A coupled atomization-spray drift model as online support tool for boom spray applications	54
Spectral characteristics of winter wheat varieties depending on the development degree of Pyrenophora tritici-repentis	51
Combining 2D image and point cloud deep learning to predict wheat above ground biomass	50
UAV-based canopy monitoring: calibration of a multispectral sensor for green area index and nitrogen uptake across several crops	46
Quantifying corn LAI using machine learning and UAV multispectral imaging	45
Pedology-based management class establishment: a study case in Brazilian coffee crops	44
Maize tassel number and tasseling stage monitoring based on near-ground and UAV RGB images by improved YoloV8	41
Use of remote sensing-derived fPAR data in a grapevine simulation model for estimating vine biomass accumulation and yield variability at sub-field level	41
Improved estimation of herbaceous crop aboveground biomass using UAV-derived crop height combined with vegetation indices	40
Correction to: Chickpea leaf water potential estimation from ground and VENµS satellite	40
A novel approach for analysing environmental sustainability aspects of combine harvester through telematics data. Part I: evaluation and analysis of field tests	39

Optimal treatment placement for on-farm experiments: pseudo-Bayesian optimal designs with a linear response plateau model	39
Impact of soil electrical conductivity-based site-specific seeding and uniform rate seeding methods on winter wheat yield parameters and economic benefits	39
Quantifying real-time opening disk load during planting operations to assess compaction and potential for planter control	37
Evaluation of the PROMET model for yield estimation and N fertilization in on-farm research	36
Data fusion approach for predicting high resolution estimates of crop evapotranspiration	36
Quantification of self-propelled sprayers turn compensation feature utilization and advantages during on-farm applications	35
Unmanned aerial system plant protection products spraying performance evaluation on a vineyard	35
The economic performances of different trial designs in on-farm precision experimentation: a Monte Carlo evaluation	35
Hyperspectral assessment of bacterial blight disease in red kidney beans by feature selection and machine learning algorithms	35
Repeatability of commercially available visible and near infrared proximal soil sensors	33
Delineation of management zones dealing with low sampling and outliers	33
Farewells	33
In-season variable rate nitrogen recommendation for wheat precision production supported by fixed-wing UAV imagery	32
Impact of soil types on sugarcane development monitored over time by remote sensing	32
Improving harvester yield maps postprocessing leveraging remote sensing data in rice crop	30
An ultra-lightweight efficient network for image-based plant disease and pest infection detection	30
Data-driven agriculture and sustainable farming: friends or foes?	29
An applied framework to unlocking multi-angular UAV reflectance data: a case study for classification of plant parameters in maize (Zea mays)	29
Utility of visible and near-infrared spectroscopy to predict base neutralizing capacity and lime requirement of quaternary soils	29
Incorporation of mechanistic model outputs as features for data-driven models for yield prediction: a case study on wheat and chickpea	25
Spatial variability of soil properties, nitrogen balance and nitrate leaching using digital methods on heterogeneous arable fields in southern Germany	25
Adding random points to sampling grids to improve the quality of soil fertility maps	25
Planning and optimization of nitrogen fertilization in corn based on multispectral images and leaf nitrogen content using unmanned aerial vehicle (UAV)	24
Opportunities for variable rate application of nitrogen under spatial water variations in rainfed wheat systems—an economic analysis	24
Developing a segment anything model-based framework for automated plot extraction	24
Model-averaging as an accurate approach for ex-post economic optimum nitrogen rate estimation	24
Field-scale digital mapping of top- and subsoil Chernozem properties	24
Integration of multi-temporal sentinel-1 and sentinel-2 data for paddy rice crop height estimation and uncertainty assessment using quantile regression forests	23
Generalized data-driven optimal path planning framework for uniform coverage missions using crop spraying UAVs	23
Monitoring the interannual dynamic changes of soil organic matter using long-term Landsat images	23
Canopy height and biomass prediction in Mombaça guinea grass pastures using satellite imagery and machine learning	22
Prediction of cotton yield based on soil texture, weather conditions and UAV imagery using deep learning	22
Correction to: a novel method for optimizing regional-scale management zones based on a sustainable environmental index	21
Precision land leveling for sustainable rice production: case studies in Cambodia, Thailand, Philippines, Vietnam, and India	21
Multispectral images for monitoring the physiological parameters of coffee plants under different treatments against nematodes	21
Statistical diagnostics for sensing spatial residue cover	21
Fully automated proximal hyperspectral imaging system for high-resolution and high-quality in vivo soybean phenotyping	21
Enhancing visual autonomous navigation in row-based crops with effective synthetic data generation	21
Spatial and dynamic distribution of Chrysoperla spp. and Leucoptera coffeella populations in coffee Coffea arabica L	21
Sugarcane yield estimation in Thailand at multiple scales using the integration of UAV and Sentinel-2 imagery	20
Development and field performance evaluation of hole-fertilizing planter and dynamic alignment control system for precision planting of corn	20
Evolution of precision agricultural technologies: a patent network analysis	20
Thermal imaging for identification of malfunctions in subsurface drip irrigation in orchards	20
Adaptively spatial feature fusion network: an improved UAV detection method for wheat scab	19
From pen and paper to digital precision: a comprehensive review of on-farm recordkeeping	19
Field validation of NDVI to identify crop phenological signatures	19
Strategies for monitoring within-field soybean yield using Sentinel-2 Vis-NIR-SWIR spectral bands and machine learning regression methods	19
On-Farm variable rate nitrogen management in irrigated potato	19
Deep mango cultivars: cultivar detection by classification method with maximum misidentification rate estimation	19
Olive yield monitor for small farms based on an instrumented trailer to collect big bags from the ground	19

Adoption of digital technologies in agriculture—an inventory in a european small-scale farming region	19
Devising optimized maize nitrogen stress indices in complex field conditions from UAV hyperspectral imagery	19
End-to-end 3D CNN for plot-scale soybean yield prediction using multitemporal UAV-based RGB images	19
Spatial and temporal correlation between soil and rice relative yield in small-scale paddy fields and management zones	18
A new method to monitor the brown planthopper population size and its damage using canopy temperature of rice plants	18
Machine learning approach for satellite-based subfield canola yield prediction using floral phenology metrics and soil parameters	17
Remote estimation of leaf water concentration in winter wheat under different nitrogen treatments and plant growth stages	17
Enhancing model performance through date fusion in multispectral and RGB image-based field phenotyping of wheat grain yield	17
Improving soil property maps for precision agriculture in the presence of outliers using covariates	17
Small-target weed-detection model based on YOLO-V4 with improved backbone and neck structures	17
Quantification of rice spikelet rot disease severity at organ scale with proximal imaging spectroscopy	17
Estimating maize seedling number with UAV RGB images and advanced image processing methods	17
Effects of pre-emergence herbicide on targeted post-emergence herbicide application in plasticulture production	16
Spatiotemporal normalized ratio methodology to evaluate the impact of field-scale variable rate application	16
A novel method for optimizing regional-scale management zones based on a sustainable environmental index	16
UAV-based multispectral and thermal indexes for estimating crop water status and yield on super-high-density olive orchards under deficit irrigation conditions	16
Within-season vegetation indices and yield stability as a predictor of spatial patterns of Maize (Zea mays L) yields	16
Predicting within-field grain protein content at scale using agronomic and remote sensing variables, and machine learning	16
Efficient tomato harvesting robot based on image processing and deep learning	16
Potential of handheld low-cost multispectral sensors for decision support in viticulture	16
Remote sensing inversion of soil organic matter by using the subregion method at the field scale	16
Transfer learning for plant disease detection model based on low-altitude UAV remote sensing	16
Enhancing the capacity of southeastern extension change agents to facilitate the dissemination of precision farming: a Delphi approach	16
Evaluation of different crop model-based approaches for variable rate nitrogen fertilization in winter wheat	15
Land surface phenology for the characterization of Mediterranean permanent grasslands	15
The estimation of wheat tiller number based on UAV images and gradual change features (GCFs)	15
A computer vision system for apple fruit sizing by means of low-cost depth camera and neural network application	15
Field path optimization to reduce headland and turning maneuvers at regional scales: automated detection of cultivation direction in the state of Brandenburg, Germany	15
On-farm cereal rye biomass estimation using machine learning on images from an unmanned aerial system	15
Comparing how accurately four different proximal spectrometers can estimate pasture nutritive characteristics: effects of spectral range and data type	15
An assessment of multi-view spectral information from UAV-based color-infrared images for improved estimation of nitrogen nutrition status in winter wheat	15
Crop stress detection from UAVs: best practices and lessons learned for exploiting sensor synergies	14
Yield sensing technologies for perennial and annual horticultural crops: a review	14