17,032,549 research outputs found
Letter: R.M. Springer to Ida M. Tarbell, February 13, 1925
No full textLetter with document titled Personal Reminiscences of Abraham Lincoln; Letter, R.M. Springer to Hanson Towne; Letter, Zona Gale to R.M. Springe
Letter with attachments: R.M. Springer to Ida M. Tarbell, March 4, 1927
No full textLetter with Letter of R.M. Springer to Arthur Brisbane, Septemer 18, 1926 and copy of a post script to Henry W. Gustin
Michael Rodriguez interviews author Tom Springer
No full textAuthor Tom Springer is interviewed about his writing career and his newest book "Looking for hickories". Springer talks about his career following after earning an Environmental Journalism degree from Michigan State University. He calls his genre "creative non-fiction" and explains how he weaves his memories into his books about life in rural and wild Michigan. Part of the Michigan State University Libraries' Michigan Writers Series. Springer is interviewed by Librarian Michael Rodriguez
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[Decorated mortarboard belonging to Sierra Springer]
No full textPhotograph of a mortarboard cap decorated and worn by Sierra Springer in Spring 2025 commencement ceremony
Springer Lab UAV Maize Phenotyping Project at UMN StPaul: 2018 and 2019
No full textFiles include digital elevation models for all flights of our maize field in the summer of 2018 and 2019, the plot boundary shapefiles, information on each plot including planting date and density and stand counts, yield data for all plots, and weather station data for both summers. More detailed info can be found in the readme file.This dataset provides a valuable resource for evaluating the utility of unmanned aerial vehicles to collect phenotypic data in agricultural fields. Many flights throughout the growing season of a maize experiment were conducted and this dataset includes digital elevation models generated from images within these flights, the plot boundary shapefiles for plot identification, plant height values extracted following Tirado et al., 2019 procedure, hand measurement height values conducted following flights, and yield data for each plot. This maize experiment consisted of twelve hybrids planted at three different planting densities (low, medium and high) and two planting dates (early and late) across two years and therefore provides a valuable resource for evaluating how temporal data collected from UAVs can aid in assessing plant productivity. It can also be utilized to develop and test different protocols for plant height extraction from DEMs at different growth stages as the hand measurements can be used to test the accuracy.NATirado, Sara B; Hirsch, Candice N; Springer, Nathan M. (2020). Springer Lab UAV Maize Phenotyping Project at UMN StPaul: 2018 and 2019. Retrieved from the University Digital Conservancy, https://doi.org/10.13020/j01t-wq81
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