Explanipedia

Scalable machine learning framework for adaptive irrigation management of maize and soybean in the U.S. Midwest Open

Precious N. Egbuikwem, Derek M. Heeren, Yeyin Shi, Eric Wilkening, Ivo Zution Gonçalves , et al. · 2025

Crop2Cloud platform: Real-time data integration for agricultural water monitoring Open

Bryan Nsoh, Abia Katimbo, Kendall C. DeJonge, Wei-zhen Liang, Hongzhi Guo , et al. · 2025

Geophysical tools for agricultural management: Trends, challenges, and opportunities Open

Sophia M. Becker, Trenton E. Franz, Yufeng Ge, Joe D. Luck, Derek M. Heeren · 2025

Agrogeophysics is a convergence of proximal soil sensing and hydrogeophysics in which geophysical methods are used to describe soil patterns and dynamics that shape agronomic management (including precision agriculture). To fully realize i…

Field Calibration of a Time-Domain Reflectometry Sensor for Water Content Measurement in Soils with Low Content of Coarse Fragments Open

Rehnuma Mobin Maisha, Dean D. Steele, Aaron Lee M. Daigh, Derek M. Heeren, Trenton E. Franz · 2025

Comparison of soil water sensors for irrigation scheduling requires an accurate reference measurement. An Acclima TDR-310H soil water content sensor was calibrated and validated for sand, loamy sand, clay loam, sandy clay loam, and sandy l…

Crop2cloud Platform: Real-Time Data Integration for Agricultural Water Monitoring Open

Abia Katimbo, Bryan Nsoh, Kendall C. DeJonge, Wei-zhen Liang, Hongzhi Guo , et al. · 2025

Scalable Machine Learning Framework for Adaptive Irrigation Management in Commercial Crop Fields Open

Precious Amori, Derek M. Heeren, Yeyin Shi, Eric Wilkening, Ivo Zution Gonçalves , et al. · 2025

Optimizing In-Season Nitrogen Management Through Satellite–Guided Fertigation in Commercial Maize Production Open

Precious Amori, Derek M. Heeren, Guillermo Balboa, Laila A. Puntel, Yeyin Shi , et al. · 2025

Optimizing In-Season Nitrogen Management Through Satellite–Guided Fertigation in Commercial Maize Production Open

Precious Amori, Derek M. Heeren, Guillermo Balboa, Laila A. Puntel, Yeyin Shi , et al. · 2025

Devising optimized maize nitrogen stress indices in complex field conditions from UAV hyperspectral imagery Open

Jiating Li, Yufeng Ge, Laila A. Puntel, Derek M. Heeren, Geng Bai , et al. · 2024

Nitrogen Sufficiency Index (NSI) is an important nitrogen (N) stress indicator for precision N management. It is usually calculated using variables such as leaf chlorophyll meter readings (SPAD) and vegetation indices (VIs). However, no co…

Internet of Things-Based Automated Solutions Utilizing Machine Learning for Smart and Real-Time Irrigation Management: A Review Open

Bryan Nsoh, Abia Katimbo, Hongzhi Guo, Derek M. Heeren, Hope Njuki Nakabuye , et al. · 2024

This systematic review critically evaluates the current state and future potential of real-time, end-to-end smart, and automated irrigation management systems, focusing on integrating the Internet of Things (IoTs) and machine learning tech…

Groundwater Recharge Response to Reduced Irrigation Pumping: Checkbook Irrigation and the Water Savings Payment Plan Open

Justin Gibson, Trenton E. Franz, Troy E. Gilmore, Derek M. Heeren, John B. Gates , et al. · 2024

Ongoing investments in irrigation technologies highlight the need to accurately estimate the longevity and magnitude of water savings at the watershed level to avoid the paradox of irrigation efficiency. This paradox arises when irrigation…

Estimation of corn nitrogen demand under different irrigation conditions based on UAV multispectral technology Open

Jiaming Duan, Daran R. Rudnick, Christopher A. Proctor, Derek M. Heeren, Hope Njuki Nakabuye , et al. · 2024

Integrating water and nitrogen (N) management is critical to addressing contemporary challenges in agricultural development. This research explored using multispectral sensors mounted on unmanned aerial vehicles (UAVs) to monitor N demand …

Integrating UAV hyperspectral data and radiative transfer model simulation to quantitatively estimate maize leaf and canopy nitrogen content Open

Jiating Li, Yufeng Ge, Laila A. Puntel, Derek M. Heeren, Geng Bai , et al. · 2024

Crop nitrogen (N) content reflects crop nutrient status and plays an important role in precision nutrient management. Accurate crop N content estimation from remote sensing has been well documented. However, the robustness (i.e., the abili…

Development of a Fuzzy Variable Rate Irrigation Control System Based on Remote Sensing Data to Fully Automate Center Pivots Open

Willians Ribeiro Mendes, Arthur Moraes E Videira, Salah Er‐Raki, Derek M. Heeren, Ritaban Dutta , et al. · 2023

Growing agricultural demands for the global population are unlocking the path to developing innovative solutions for efficient water management. Herein, an intelligent variable rate irrigation system (fuzzy-VRI) is proposed for decision-ma…

Water-energy-food linkages in community smallholder irrigation schemes: Center pivot irrigation in Rwanda Open

Ankit Chandra, Derek M. Heeren, Lameck O. Odhiambo, Nicholas Brozović · 2023

Water, energy, and food are linked in intricate ways in irrigated agriculture and understanding the interplay of these components is crucial for sustainable and profitable crop production, particularly in smallholder setting such as in sub…

Toward automated irrigation management with integrated crop water stress index and spatial soil water balance Open

Sandeep Bhatti, Derek M. Heeren, Susan A. O’Shaughnessy, Christopher M. U. Neale, Jacob L. LaRue , et al. · 2023

Decision support systems intended for precision irrigation aim at reducing irrigation applications while optimizing crop yield to achieve maximum crop water productivity (CWP). These systems incorporate on-site sensor data, remote sensing …

Evaluation of artificial intelligence algorithms with sensor data assimilation in estimating crop evapotranspiration and crop water stress index for irrigation water management Open

Abia Katimbo, Daran R. Rudnick, Jingwen Zhang, Yufeng Ge, Kendall C. DeJonge , et al. · 2023

Irrigation water management using automated irrigation decision support system (IDSS) as a smart irrigation scheduling tool can improve water use efficiency and crop production, especially under circumstances of limited water supply. The c…

Soybean response under climatic scenarios with changed mean and variability under rainfed and irrigated conditions in major soybean-growing states of the USA Open

Amit Prasad Timilsina, Guillermo A. Baigorria, Donald A. Wilhite, Martha Shulski, Derek M. Heeren , et al. · 2023

Climate change has an impact on soybean production in the USA, necessitating thorough impact studies across broad geographic areas and extended periods to develop appropriate coping strategies. This study investigates the simulated respons…

Diurnal Soybean Water Stress Computed Using Statistical-Based Thermal Indices With High-Frequency Unmanned Aircraft Flights Open

Suresh Pradhyun Kashyap, Derek M. Heeren, Mitch S. Maguire, Wayne Woldt, Suat Irmak , et al. · 2023

Highlights High-frequency UAS thermal data can identify the temporal nature of the spatial canopy stress patterns for soybean. Thermal indices were calculated using the statistical approach from the lower and upper bounds of confidence int…

Cover crop planting practices determine their performance in the U.S. Corn Belt Open

Katja Koehler‐Cole, Roger W. Elmore, Humberto Blanco‐Canqui, Charles Francis, Charles A. Shapiro , et al. · 2022

Cover crop growing periods in the western U.S. Corn Belt could be extended by planting earlier. We evaluated both pre‐harvest broadcast interseeding and post‐harvest drilling of the following cover crops: (a) cereal rye ( Secale cereale L.…

Real-time irrigation scheduling of maize using Degrees Above Non-Stressed (DANS) index in semi-arid environment Open

Hope Njuki Nakabuye, Daran R. Rudnick, Kendall C. DeJonge, Tsz Him Lo, Derek M. Heeren , et al. · 2022

Irrigation scheduling methods have been used to determine the timing and amount of water applied to crops. Scheduling techniques can include measurement of soil water content, quantification of crop water use, and monitoring of crop physio…

Crop response to thermal stress without yield loss in irrigated maize and soybean in Nebraska Open

Sandeep Bhatti, Derek M. Heeren, Steven R. Evett, Susan A. O’Shaughnessy, Daran R. Rudnick , et al. · 2022

Thermal sensing provides rapid and accurate estimation of crop water stress through canopy temperature data. Canopy temperature is highly dependent on the transpiration rate of the leaves. It is usually assumed that any reduction in crop e…

Unmanned Aerial System-Based Data Ferrying over a Sensor Node Station Network in Maize Open

Jasreman Singh, Yufeng Ge, Derek M. Heeren, Elizabeth A. Walter‐Shea, Christopher M. U. Neale , et al. · 2022

Agriculture is considered a hotspot for wireless sensor network (WSN) facilities as they could potentially contribute towards improving on-farm management and food crop yields. This study proposes six designs of unmanned aerial system (UAS…

Real-Time Irrigation Scheduling of Maize Using Degrees Above Non-Stressed (Dans) Index in Semi-Arid Environment Open

Hope Njuki Nakabuye, Daran R. Rudnick, Kendall C. DeJonge, Tsz Him Lo, Derek M. Heeren , et al. · 2022

Water-Energy-Food Linkages in Shared Smallholder Irrigation Schemes Open

Ankit Chandra, Derek M. Heeren, Lameck O. Odhiambo, Nicholas Brozović · 2022

Burle and Mead data from Nebras areas Open

Willians Ribeiro Mendes, Derek M. Heeren · 2022

Burle and Mead data from Nebras areas. from June 2016 - Sept. 2016

Sustainable irrigation based on co-regulation of soil water supply and atmospheric evaporative demand Open

Jingwen Zhang, Kaiyu Guan, Bin Peng, Ming Pan, Wang Zhou , et al. · 2021

Development of a Fuzzy Variable Rate Irrigation Control System Based on Remote Sensing Data to Fully Automate Center Pivots Open

Willians Ribeiro Mendes, Salah Er‐Raki, Derek M. Heeren, Ritaban Dutta, Fábio Meneghetti Ugulino de Araújo · 2021

Growing agricultural demands for the global population are unlocking the path to developing innovative solutions for efficient water management. Herein, an intelligent variable rate irrigation system (fuzzy-VRI) is proposed for rapid decis…

Challenges and opportunities in precision irrigation decision-support systems for center pivots Open

Jingwen Zhang, Kaiyu Guan, Bin Peng, Chongya Jiang, Wang Zhou , et al. · 2021

Irrigation is critical to sustain agricultural productivity in dry or semi-dry environments, and center pivots, due to their versatility and ruggedness, are the most widely used irrigation systems. To effectively use center pivot irrigatio…

Glossary Open

Dean E. Eisenhauer, Derrel L. Martin, Derek M. Heeren, Glenn Hoffman · 2021

allowable depletion: That part of soil water stored in the plant root zone managed for use by plants, usually expressed as equivalent depth of water in mm (acre-inches per acre, or inches).application efficiency (Ea): The ratio of the aver…

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