OOIR: Observatory of International Research

Papers

(The TQCC of Precision Agriculture is 12. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Hyperspectral sensing and mapping of soil carbon content for amending within-field heterogeneity of soil fertility and enhancing soil carbon sequestration	158
On-farm experimentation: assessing the effect of combine ground speed on grain yield monitor data estimates	158
Near real-time yield forecasting of winter wheat using Sentinel-2 imagery at the early stages	125
Red-green-blue to normalized difference vegetation index translation: a robust and inexpensive approach for vegetation monitoring using machine vision and generative adversarial networks	88
Recognition of sunflower growth period based on deep learning from UAV remote sensing images	80
Using UAV-based multispectral remote sensing imagery combined with DRIS method to diagnose leaf nitrogen nutrition status in a fertigated apple orchard	77
Recognition of mango and location of picking point on stem based on a multi-task CNN model named YOLOMS	75
Clustered tomato detection and picking point location using machine learning-aided image analysis for automatic robotic harvesting	69
A novel end-effector for a fruit and vegetable harvesting robot: mechanism and field experiment	63
Joint plant-spraypoint detector with ConvNeXt modules and HistMatch normalization	61
Spectral characteristics of winter wheat varieties depending on the development degree of Pyrenophora tritici-repentis	57
Combining 2D image and point cloud deep learning to predict wheat above ground biomass	55
Use of remote sensing-derived fPAR data in a grapevine simulation model for estimating vine biomass accumulation and yield variability at sub-field level	55
Spatio-temporal analysis of yield and weather data for defining site-specific crop management zones	54
A novel approach for analysing environmental sustainability aspects of combine harvesters through telematics data. Part II: an IT tool for comparative analysis	52
A coupled atomization-spray drift model as online support tool for boom spray applications	50
Pedology-based management class establishment: a study case in Brazilian coffee crops	50
Maize tassel number and tasseling stage monitoring based on near-ground and UAV RGB images by improved YoloV8	44
Quantifying corn LAI using machine learning and UAV multispectral imaging	44
Improved estimation of herbaceous crop aboveground biomass using UAV-derived crop height combined with vegetation indices	44
UAV-based canopy monitoring: calibration of a multispectral sensor for green area index and nitrogen uptake across several crops	42
Correction to: Chickpea leaf water potential estimation from ground and VENµS satellite	39
Optimal treatment placement for on-farm experiments: pseudo-Bayesian optimal designs with a linear response plateau model	38
The economic performances of different trial designs in on-farm precision experimentation: a Monte Carlo evaluation	38
Repeatability of commercially available visible and near infrared proximal soil sensors	35

Evaluation of the PROMET model for yield estimation and N fertilization in on-farm research	34
Quantifying real-time opening disk load during planting operations to assess compaction and potential for planter control	34
Quantification of self-propelled sprayers turn compensation feature utilization and advantages during on-farm applications	33
A meta-analysis of factors driving the adoption of precision agriculture	32
A novel approach for analysing environmental sustainability aspects of combine harvester through telematics data. Part I: evaluation and analysis of field tests	32
Unmanned aerial system plant protection products spraying performance evaluation on a vineyard	31
Delineation of management zones dealing with low sampling and outliers	30
Farewells	30
An applied framework to unlocking multi-angular UAV reflectance data: a case study for classification of plant parameters in maize (Zea mays)	30
Impact of soil electrical conductivity-based site-specific seeding and uniform rate seeding methods on winter wheat yield parameters and economic benefits	30
Incorporation of mechanistic model outputs as features for data-driven models for yield prediction: a case study on wheat and chickpea	29
Improving harvester yield maps postprocessing leveraging remote sensing data in rice crop	29
Impact of soil types on sugarcane development monitored over time by remote sensing	29
Utility of visible and near-infrared spectroscopy to predict base neutralizing capacity and lime requirement of quaternary soils	29
An ultra-lightweight efficient network for image-based plant disease and pest infection detection	28
In-season variable rate nitrogen recommendation for wheat precision production supported by fixed-wing UAV imagery	27
Data-driven agriculture and sustainable farming: friends or foes?	26
Estimation of nitrogen status of paddy rice at vegetative phase using unmanned aerial vehicle based multispectral imagery	26
Adding random points to sampling grids to improve the quality of soil fertility maps	26
Spatial variability of soil properties, nitrogen balance and nitrate leaching using digital methods on heterogeneous arable fields in southern Germany	26
Field-scale digital mapping of top- and subsoil Chernozem properties	25
Planning and optimization of nitrogen fertilization in corn based on multispectral images and leaf nitrogen content using unmanned aerial vehicle (UAV)	25
Model-averaging as an accurate approach for ex-post economic optimum nitrogen rate estimation	25
Opportunities for variable rate application of nitrogen under spatial water variations in rainfed wheat systems—an economic analysis	23
Monitoring the interannual dynamic changes of soil organic matter using long-term Landsat images	23
Generalized data-driven optimal path planning framework for uniform coverage missions using crop spraying UAVs	22
Developing a segment anything model-based framework for automated plot extraction	22
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	21
Evolution of precision agricultural technologies: a patent network analysis	21
Statistical diagnostics for sensing spatial residue cover	21
Correction to: a novel method for optimizing regional-scale management zones based on a sustainable environmental index	21
Multispectral images for monitoring the physiological parameters of coffee plants under different treatments against nematodes	20
Development and field performance evaluation of hole-fertilizing planter and dynamic alignment control system for precision planting of corn	20
Spatial and dynamic distribution of Chrysoperla spp. and Leucoptera coffeella populations in coffee Coffea arabica L	20
Fully automated proximal hyperspectral imaging system for high-resolution and high-quality in vivo soybean phenotyping	20
Devising optimized maize nitrogen stress indices in complex field conditions from UAV hyperspectral imagery	20
Enhancing visual autonomous navigation in row-based crops with effective synthetic data generation	19
Precision land leveling for sustainable rice production: case studies in Cambodia, Thailand, Philippines, Vietnam, and India	18
Thermal imaging for identification of malfunctions in subsurface drip irrigation in orchards	18
Sugarcane yield estimation in Thailand at multiple scales using the integration of UAV and Sentinel-2 imagery	18
Field validation of NDVI to identify crop phenological signatures	18
Fusion of the YOLOv4 network model and visual attention mechanism to detect low-quality young apples in a complex environment	18
Deep mango cultivars: cultivar detection by classification method with maximum misidentification rate estimation	18
Olive yield monitor for small farms based on an instrumented trailer to collect big bags from the ground	17
From pen and paper to digital precision: a comprehensive review of on-farm recordkeeping	17
Spatial and temporal correlation between soil and rice relative yield in small-scale paddy fields and management zones	17
Adaptively spatial feature fusion network: an improved UAV detection method for wheat scab	17
Evaluating unoccupied aerial systems (UAS) imagery as an alternative tool towards cotton-based management zones	17
Adoption of digital technologies in agriculture—an inventory in a european small-scale farming region	17

Strategies for monitoring within-field soybean yield using Sentinel-2 Vis-NIR-SWIR spectral bands and machine learning regression methods	17
Machine learning approach for satellite-based subfield canola yield prediction using floral phenology metrics and soil parameters	16
Enhancing model performance through date fusion in multispectral and RGB image-based field phenotyping of wheat grain yield	16
Effects of pre-emergence herbicide on targeted post-emergence herbicide application in plasticulture production	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
Improving soil property maps for precision agriculture in the presence of outliers using covariates	16
Remote estimation of leaf water concentration in winter wheat under different nitrogen treatments and plant growth stages	16
Efficient tomato harvesting robot based on image processing and deep learning	15
Quantification of rice spikelet rot disease severity at organ scale with proximal imaging spectroscopy	15
Estimating maize seedling number with UAV RGB images and advanced image processing methods	14
Land surface phenology for the characterization of Mediterranean permanent grasslands	14
Small-target weed-detection model based on YOLO-V4 with improved backbone and neck structures	14
Within-season vegetation indices and yield stability as a predictor of spatial patterns of Maize (Zea mays L) yields	14
Spatiotemporal normalized ratio methodology to evaluate the impact of field-scale variable rate application	14
End-to-end 3D CNN for plot-scale soybean yield prediction using multitemporal UAV-based RGB images	14
Spatial patterns of magnetic susceptibility optimized by anisotropic correction in different Alisols in southern Amazonas, Brazil	14
Remote sensing inversion of soil organic matter by using the subregion method at the field scale	14
Evaluation of different crop model-based approaches for variable rate nitrogen fertilization in winter wheat	13
A novel method for optimizing regional-scale management zones based on a sustainable environmental index	13
Transfer learning for plant disease detection model based on low-altitude UAV remote sensing	13
Crop stress detection from UAVs: best practices and lessons learned for exploiting sensor synergies	13
An assessment of multi-view spectral information from UAV-based color-infrared images for improved estimation of nitrogen nutrition status in winter wheat	13
On-farm cereal rye biomass estimation using machine learning on images from an unmanned aerial system	13
Field path optimization to reduce headland and turning maneuvers at regional scales: automated detection of cultivation direction in the state of Brandenburg, Germany	13
Comparing how accurately four different proximal spectrometers can estimate pasture nutritive characteristics: effects of spectral range and data type	13
Using UAV-based hyperspectral imaging and functional regression to assist in predicting grain yield and related traits in wheat under heat-related stress environments for the purpose of stable yieldin	13
The estimation of wheat tiller number based on UAV images and gradual change features (GCFs)	13
Suitability of satellite remote sensing data for yield estimation in northeast Germany	13
Yield sensing technologies for perennial and annual horticultural crops: a review	12
Detection of soil-borne wheat mosaic virus using hyperspectral imaging: from lab to field scans and from hyperspectral to multispectral data	12
A pooling module with multidirectional and multi-scale spatial information and its application on semantic segmentation of leaf lesions	12
A loss function to evaluate agricultural decision-making under uncertainty: a case study of soil spectroscopy	12
Spatial patchiness and association of pests and natural enemies in agro-ecosystems and their application in precision pest management: a review	12
Estimation of canopy nitrogen content in winter wheat from Sentinel-2 images for operational agricultural monitoring	12
Advancing Blackmore’s methodology to delineate management zones from Sentinel 2 images	12
A computer vision system for apple fruit sizing by means of low-cost depth camera and neural network application	12
Forecasting seasonal plot-specific crop coefficient (Kc) protocol for processing tomato using remote sensing, meteorology, and artificial intelligence	12