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Hi grape is light plant, light requirements of a higher number of hours the length of light on grape growth and development, yield and quality greatly. Light is low, shoot growth of thin and delicate, thin leaves, leaf, ear small, flower drop, and low output, poor quality, poorly differentiated winter buds. So park built when asked to choose a good light, and to pay attention to improve the surface plane of the wind, light conditions, at the same time, the correct line to the design, the spacing in the rows and the use of reasonable technical plastic trim.