On the Effect of Soil Moisture Content upon the Growth of the Tea Plants (Part 1)
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概要
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Using 2 years old plants of vars. Yabukita and Miyosbi transplanted in pots, one plant per each pot, the relations between the growth and the soil moisture content were examined. The soil moisture was regulated to 30, 45, 60, 75, 90 and 105% of water capacity respectively.<BR>Concerning the top growth, 90% seemed to be most suitable and 105% the next, and with decreasing of the soil moisture, the growth became poor.<BR>But concerning the root growth, 105% Plot as well as 45% plot showed poorest growth. With increasing of the soil moisture, the area and thickness of the tea leaves became larger.<BR>Though the growth of two varieties was rather different, the effects of the soil moisture content upon their growth were almost the same between two varieties.<BR>But var Yabakita which showed vigorous growth seemed to be more susceptible to water deficit than var. Miyoshi which showed somewhat poor growth.
- 日本茶業技術協会の論文
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