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You searched for: Creator Personal Names Knowlton, H. E. (Harry E.), 1890- Digital Content No Digital Content

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1. Studies in apple sterility.

Creator Personal:: Knowlton, H. E. (Harry E.), 1890-
Title:: Studies in apple sterility.
Call Number:: P12431
Date:: 1927
Description:: Journal article reprint from: Proceedings of American Society for Horticultural Science, 1927.
Subject Topical:: Apples--Physiology., Sterility in plants.
All:: Apples--Physiology., Sterility in plants.

2. Nitrogen fertilization and the keeping quality of apples : a preliminary report.

Creator Personal:: Knowlton, H. E. (Harry E.), 1890-, Hoffman, M. B.
Title:: Nitrogen fertilization and the keeping quality of apples : a preliminary report.
Call Number:: P16997
Date:: 1930
Description:: Journal article reprint from: Proceedings of the American Society for Horticultural Science, 1930.
Subject Topical:: Apples--Storage., Apples--Fertilizers.
All:: Apples--Storage., Apples--Fertilizers.

3. The Relation of temperature to pollen tube growth in vitro.

Creator Personal:: Knowlton, H. E. (Harry E.), 1890-, Sevy, H. P.
Title:: The Relation of temperature to pollen tube growth in vitro.
Call Number:: P2855
Date:: 1925
Description:: Journal article reprint from: Proceedings of American Society for Horticultural Science, 1925.
Subject Topical:: Pollen tube--Growth.
All:: Pollen tube--Growth.