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Effect of Shading and Couering on the Ecological Environment of Tea Garden

Duan Jianzhen Guo Suying (Anhui Agricultural College)  
Shading with planting trees in tea garden, light intensity was obviously reduced by 30~40%, scattering increased 6~15%; air temperature was enhanced 0.5~2℃ in winter and spring seasons, but decreased 0.5~4℃ in summen absolute content of soil water and reletive aci moistmre were 17~40% and 2~20% higher respectively. Tea bushes covered with plastic film produced the similar influence to shading, resulting in a benefit of 7~10 days ahead for teapicking.
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