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《Protection Forest Science and Technology》 2018-06
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Effects of Increasing Soil Temperature on Growth of Syringa microphylla in Alpine Region

Zheng Na;Qi Peifeng;Yuan Yali;Guiyang Forest Resources Assets Appraisal Limited Company;Beishan Forest Farm of Huzhu County in Qinghai Province;  
In order to improve growth and survival rate of Syringa microphyllain high altitude permafrost area,the electric energy was transformed into heat by using self-controlled thermoelectric tropics by using artificial soil warming,the experimental design is divided in to different temperature gradient(2.0℃ ±1℃,4.0℃ ±1℃,6.0℃ ±1℃),Survival rate and plant height,crown width,diameter change were compared.the optimal soil warming which is suitable to syringa microphylla was obtained.Result shows that the survival rate of clove reach the maximum value(86.5%)when the soil temperature increase by 4.0℃ ±1℃;the plant height,ground diameter and crown width of Syringa microphylla are also increased by 17.53 cm,0.83 cm,17.63 cm,respectively.The increase of soil temperature of 4.0℃ ±1℃in the experimental area is the most suitable for growth of Syringa microphylla.
【CateGory Index】: S685.26
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