Chagyo Kenkyu Hokoku (Tea Research Journal)
Online ISSN : 1883-941X
Print ISSN : 0366-6190
ISSN-L : 0366-6190
On the Relation between Refractive Index of the Leaf Sap and Cold Resistance of the Tea Plant in Winter
Hisashi MATSUI
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1953 Volume 1953 Issue 2 Pages 32-33

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Abstract
1. The author observed the retractive index of the leaf sap of the tea plant in winter, having, some grades of cold resistance.
2. In many occasions, ft was proved that the stronger the cold resistance, the higher the refracfive index.
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© Japanese Society of Tea Science and Technology
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