Section 2
Chapter 1,071

Effect of water stress and change of soil temperature on apparent photosynthesis of todo-fir (Abies sachalinensis Mast.) and akaezo-spruce (Picea glehnii Mast.) seedlings

Takahashi, K.

Journal of the Japanese Forestry Society 64(3): 79-86


Accession: 001070313

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The relation between xylem pressure potential (P) and apparent photosynthesis (AP) was studied by reducing soil m.c. monthly from June to Oct. The effect on AP of soil temp. between 1 deg C and 45 deg C and of freezing was also studied, mainly in fir. The boundary lines of the relation between P and AP changed monthly as needles matured.

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