Fernando E. Miguez
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View article: Genetic variability in biomass partitioning and surface residue carbon‐nitrogen ratios in soybean
Genetic variability in biomass partitioning and surface residue carbon‐nitrogen ratios in soybean Open
The drive to increase seed yield in soybean [ Glycine max (L.) Merr.] has traditionally overshadowed the exploration of biomass partitioning and the compositional characteristics of plant residue traits such as leaves, petioles, stems, and…
View article: A comparative study of yield monitor data processing methods for on‐farm agronomic trials
A comparative study of yield monitor data processing methods for on‐farm agronomic trials Open
Processing yield monitor data remains a challenging task in on‐farm research, particularly when evaluating yield response to inputs, such as seed and nitrogen (N). This study evaluated the comparative performance of two yield monitor proce…
View article: Crop growth model‐enabled genetic mapping of biomass accumulation dynamics in photoperiod‐sensitive sorghum
Crop growth model‐enabled genetic mapping of biomass accumulation dynamics in photoperiod‐sensitive sorghum Open
Crop growth rate is a critical physiological trait for forage and bioenergy crops like sorghum [ Sorghum bicolor (L.) Moench], influencing overall crop productivity, particularly in photoperiod‐sensitive (PS) types. Crop growth rate studie…
View article: Comprehensive assessment of soybean seed composition from field trials spanning 22 US states and 24 years: Predictive insights
Comprehensive assessment of soybean seed composition from field trials spanning 22 US states and 24 years: Predictive insights Open
Soybean seed composition has long been a subject of study, not only due to its importance to the oil market, but also because variations in seed protein and oil content impact meal quality. Previous analyses of historical data (1948–1998) …
View article: Adding anaerobic digestate to commercial farm fields increases soil organic carbon
Adding anaerobic digestate to commercial farm fields increases soil organic carbon Open
Integrating anaerobic digestion technology can help farms meet agronomic, environmental, and economic goals. The slurry by-product from anaerobic digestion – anaerobic digestate – can be applied to croplands as an organic amendment and fer…
View article: Carbon and nutrient release from anaerobic digestate solids applied as a soil amendment
Carbon and nutrient release from anaerobic digestate solids applied as a soil amendment Open
Anaerobic digestion can produce renewable natural gas and is a viable alternative to conventional sources. When anaerobic digesters are coupled with agricultural systems, the resulting anaerobic digestate solids (ADS) after biogas producti…
View article: Approximately 15% of <i>Miscanthus</i> yield is lost at current commercial cutting heights in Iowa
Approximately 15% of <i>Miscanthus</i> yield is lost at current commercial cutting heights in Iowa Open
Various works have quantitatively characterized the effects of environmental and management factors on Miscanthus giganteus Greef et Deu ( mxg ) yield and, therefore, anticipated land requirement per unit production. However, little work h…
View article: PACU: Precision agriculture computational utilities
PACU: Precision agriculture computational utilities Open
The field of precision agriculture relies on collecting and processing several types of data to assess temporal and spatial variability. We developed the pacu R package to provide a comprehensive and transparent framework for precision agr…
View article: BioCro: Modular Crop Growth Simulations
BioCro: Modular Crop Growth Simulations Open
Description A cross-platform representation of models as sets of equations that facilitates modularity in model building and allows users to harness modern techniques for numerical integration and data visualization.Documentation is provid…
View article: Key HPI axis receptors facilitate light adaptive behavior in larval zebrafish
Key HPI axis receptors facilitate light adaptive behavior in larval zebrafish Open
The vertebrate stress response (SR) is mediated by the hypothalamic–pituitary–adrenal (HPA) axis and contributes to generating context appropriate physiological and behavioral changes. Although the HPA axis plays vital roles both in stress…
View article: Do newer maize hybrids grow roots faster and deeper?
Do newer maize hybrids grow roots faster and deeper? Open
Understanding historical changes in root depth attributes is needed for crop productivity and sustainability assessments, but such information is rare. We explored whether newer maize ( Zea mays L.) hybrids grow roots faster and deeper tha…
View article: Changes in the leaf area-seed yield relationship in soybean driven by genetic, management and environments: implications for high-throughput phenotyping
Changes in the leaf area-seed yield relationship in soybean driven by genetic, management and environments: implications for high-throughput phenotyping Open
High-throughput crop phenotyping (HTP) in soybean (Glycine max) has been used to estimate seed yield with varying degrees of accuracy. Research in this area typically makes use of different machine-learning approaches to predict seed yield…
View article: The canonical HPA axis facilitates and maintains light adaptive behavior
The canonical HPA axis facilitates and maintains light adaptive behavior Open
The vertebrate stress response (SR) is mediated by the hypothalamic-pituitary-adrenal (HPA) axis and contributes to generating context appropriate physiological and behavioral changes. Although the HPA axis plays vital roles both in stress…
View article: Accelerated leaf appearance and flowering in maize after four decades of commercial breeding
Accelerated leaf appearance and flowering in maize after four decades of commercial breeding Open
Maize breeding programs have indirectly altered many plant traits; however, our knowledge of some important phenological traits remains unexplored. One such trait is leaf appearance rate, which is crucial for predicting maize development. …
View article: Supplementary material for "The canonical HPA axis facilitates and maintains light adaptive behavior"
Supplementary material for "The canonical HPA axis facilitates and maintains light adaptive behavior" Open
1. Supplementary materials (supplementary figures, supplementary tables, and supplementary data) for the manuscript, "The canonical HPA axis facilitates and maintains light adaptive behavior" 2. List of supplementary materials (contains th…
View article: Supplementary material for "The canonical HPA axis facilitates and maintains light adaptive behavior"
Supplementary material for "The canonical HPA axis facilitates and maintains light adaptive behavior" Open
Supplementary materials (supplementary figures, supplementary tables, and supplementary data) for the manuscript, "The canonical HPA axis facilitates and maintains light adaptive behavior"
View article: Augmenting agroecosystem models with remote sensing data and machine learning increases overall estimates of nitrate-nitrogen leaching
Augmenting agroecosystem models with remote sensing data and machine learning increases overall estimates of nitrate-nitrogen leaching Open
Process-based agroecosystem models are powerful tools to assess performance of managed landscapes, but their ability to accurately represent reality is limited by the types of input data they can use. Ensuring these models can represent cr…
View article: Photosynthetic decline in aging perennial grass is not fully explained by leaf nitrogen
Photosynthetic decline in aging perennial grass is not fully explained by leaf nitrogen Open
Aging in perennial plants is traditionally observed in terms of changes in end-of-season biomass; however, the driving phenological and physiological changes are poorly understood. We found that 3-year-old (mature) stands of the perennial …
View article: A yield comparison between small-plot and on-farm foliar fungicide trials in soybean and maize
A yield comparison between small-plot and on-farm foliar fungicide trials in soybean and maize Open
Agronomic research provides management recommendations based on small-plot trials (SPTs) and on-farm trials (OFTs) with very different characteristics. SPTs are traditionally conducted at agricultural experiment stations by research instit…
View article: Defining relative yield for soil test correlation and calibration trials in the Fertilizer Recommendation Support Tool
Defining relative yield for soil test correlation and calibration trials in the Fertilizer Recommendation Support Tool Open
The Fertilizer Recommendation Support Tool (FRST) will perform correlations between soil nutrient concentrations and crop response to fertilization from user‐selected datasets in the FRST national database. Yield response for the nutrient …
View article: Valid predictions of random quantities in linear mixed models
Valid predictions of random quantities in linear mixed models Open
In applications of linear mixed-effects models, experimenters often desire uncertainty quantification for random quantities, like predicted treatment effects for unobserved individuals or groups. For example, consider an agricultural exper…
View article: How can we estimate optimum fertilizer rates with accuracy and precision?
How can we estimate optimum fertilizer rates with accuracy and precision? Open
For decades, agronomists have invested time and resources to identify the optimum nitrogen (N) rates for cereal crops. The most common method for estimating the agronomic optimum N rate (AONR) is to design a field experiment with several N…