Portable Device for Measuring Seed Hardness

Authors

R. Jefferson Smith
Thomas Bates Smith

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Recommended Citation

Smith, R. Jefferson and Smith, Thomas Bates (1989) "Portable Device for Measuring Seed Hardness," Journal of Field Ornithology: Vol. 60 : Iss. 1 , Article 10.
Available at: https://digitalcommons.usf.edu/jfo/vol60/iss1/10