Growing conditions of tea

Soil

The soil suitable for planting tea is acidic red yellow loam with good aeration, water permeability and water with pH value is between 4.5 to 6.5 and the content of is organic matter more than 1%. The granite, gneiss, sand and other rock formation sand-weathered rotten soil are the best.

Climate

Light: light is neither too strong nor too weak, and light quality with some effect on growth of tea. For example, in the diffuse light, there is more sugar in the tea photosynthetic products, whereas in the blue-violet light, there are more amino acids, protein.

Temperature: tea tree grows best in the cultivated area at an average temperature from 15℃ to 25℃. The minimum temperature should not be lower than -10℃ and the maximum temperature should not exceed 35℃, otherwise the growth of tea will be inhibited.

Precipitation: balanced annual precipitation of over 1500 mm.

As the saying goes, nice tea comes out of mountains, this is because mountain was covered by clouds and fog; the sun’s direct light is scattered into diffuse light by clouds, and diffuse light can promote the metabolism of nitrogen compounds of tea trees; protein and amino acid contents are higher in mountain tea.

Terrain

Tea tree grows well both on mountains and hills. However temperature and humidity change significantly as the altitude increases; the mountains of a certain height, with more rainfall, wetter clouds and air humidity, and stronger diffuse light are conducive to the growth of tea.  However if it’s more than 1000 meters above sea level, there will be frost damage. In general, the southern slope side is better, and the slope should not be too steep and less than 30℃。

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