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[1]TANG Dao-feng,HE Kang-ning,ZHU Yan-yan,et al.Study on the Relation Between the Photosynthetic Physiological Properties of Ulmus pumila and Hippophae rhamnoides and Soil Water Content[J].Research of Soil and Water Conservation,2007,14(01):230-233.

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Study on the Relation Between the Photosynthetic Physiological Properties of Ulmus pumila and Hippophae rhamnoides and Soil Water Content

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 14 Number of periods: 2007年01期 Page number: 230-233 Column: Public date: 1900-01-01

Title:: Study on the Relation Between the Photosynthetic Physiological Properties of Ulmus pumila and Hippophae rhamnoides and Soil Water Content

Author(s):: TANG Dao-feng, HE Kang-ning, ZHU Yan-yan, GONG Yu-xia; College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China

Keywords:: photosynthetic rate; transpiration rate; water use efficiency; water soil content

CLC:: S152.7;Q945.11

DOI:: -

Abstract:: With the aid of the Licor-6400 portable photosynthesis system, Ulmus pumila and Hippophae rhamnoides under different soil water condition were measured under the simulated photosynthetic radiation. The quantitative relation content photosynthetic rate, stomatal conductance, intercellular CO₂ concentration, transpiration rate and so on, and analysis data with spss, the relation between water utilization efficiency and soil water content is known, and valid assessment of soil water in the studying process is made, their classification respectively is no-output and no-efficiency water, low-output and low-efficiency water, high-output and high-efficiency water, high-output and low-efficiency water. But high-output and high-efficiency is the conditions of managing soil water. The result shows that the soil water content in which Ulmus pumila and Hippophae rhamnoides have high-output and high-efficiency respectively is 11.4%～17.2%; 9.5%～16.5%.

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Last Update: 1900-01-01