С.Н. Дроздов, Е.С. Холопцева, Э.Г. Попов.
Влияние температуры почвы на нетто-фотосинтез культуры тепличного огурца
// Труды КарНЦ РАН. No 3. Сер. Экспериментальная биология. 2011. C. 45-48
S.N. Drozdov, E.S. Kholoptseva, E.G. Popov. Effects of soil temperature on net photosynthesis in plants // Transactions of Karelian Research Centre of Russian Academy of Science. No 3. Experimental biology. 2011. Pp. 45-48
Keywords: Cucumis sativus L., intact plants, net photosynthesis, soil temperature, multifactor pre.planned experiment.
The effect of soil temperature on net photosynthesis in intact cucumber plants at the phase with the fourth true leaf was investigated in a pre.planned four.factor experiment under a controlled environment and in relation with light intensity, air temperature and carbonic acid content. The soil temperature was shown to affect apparent photosynthesis in the plants, especially at high air temperature and low light intensity. Net photosynthesis in cucumber seedlings of the Alma-Atinsky 1 variety peaked at a negative soil/air temperature gradient of 23/38°, when illuminance was 25.5 klux and СО2 content in the air was about 0.27%.
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