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10 ℃ annual effective temperature of 5 222 ℃, extreme minimum temperature of -13.7 ℃, extreme maximum temperature of 39.7 ℃. The average annual sunshine 1 996 h, the average rate of 45% sunshine, frost-free period 244 to 256 days. The average annual precipitation 1 100 ~ 1 135 mm, mostly concentrated in April-July, about 51% of the year. Yan Yan Lake nursery based in West Lake, two facing the water, close to the new railway station 5km, about 30 km away from the Hubei Provincial Forestry Bureau, convenient transportation. The soil is brown soil, fertile loose, pH value of 5.5 to 7.0, seedbed slope at about 5 ℃. 1.2 Test material matrix mesh bag light nursery containers are made ??of light matrix mesh bag machine automatic continuous production of container out of the cylinder-shaped container intestine, interior light nursery substrate, looks to be a thin layer of biodegradable nonwoven fabric, and then cut machine or artificial cut the entire container. According to the requirements of tea seedlings on soil, peat soil