USA NPN National Phenology Network

Taking the Pulse of Our Planet

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Phenology Bibliography

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Author Title Type [ Year(Asc)]
Filters: Author is Hopp, RJ  [Clear All Filters]
1978
Hopp, RJ. Phenology: An Aid To Agricultural Technology. Vermont Agricultural Experiment Station Bulletin 684. Vermont Agricultural Experiment Station Bulletin (1978).
1976
Hopp, RJ. Modeling Lilac Development. International Journal Of Biometeorology 20. International Journal Of Biometeorology (1976): 256-260.