There is white powder on the leaves of tea trees in the "Mixed Agroforestry" demonstration area in Dalun Mountain, Lugu Township, Nantou County.

(Photo by reporter Xie Jieyu)

[Reporter Xie Jieyu/Report from Nantou] Waves of air-conditioning hit one after another. Dalun Mountain, Lugu Township, Nantou County, which is famous for its beautiful scenery of the sea of ​​clouds, has a more dramatic temperature difference between day and night. The tea trees and some trails in the "Mixed Agriculture and Forestry" Demonstration Area are shocked A layer of white powder attracts the attention of tourists, and they can't help asking, is it cold enough to frost?

Lin Jianxing, Director-General of the Xiaobantian Leisure Agriculture Area Development Association of Lugu Township, said, don’t get me wrong, this is not frost, but white lime powder used by farmers to improve soil acidification, hoping to save the life of tea trees.

Lugu Township is famous for Dongding Oolong Tea. The Dalun Mountain "Mixed Agriculture and Forestry" demonstration area mainly produces tea trees and ginkgo trees. In addition, the northeast monsoon brings cold air to the south, and the condensed water droplets cannot continue to rise even if they do not reach the level of rainfall. , so that the clouds slowly piled up and gathered into a magnificent sea of ​​clouds, submerged from the foot of the mountain, the mountainside to the top of the mountain. Sometimes due to the strong convection between the top of the mountain and the valley, you can also see the wonders of cloud waterfalls. Intertwined with the beautiful scenery like a landscape painting, it has become a major feature of Dalun Mountain.

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Since the "Mixed Agroforestry" demonstration area was established in 1992, it has been 31 years. Recently, farmers have discovered that many tea trees have started to wither, die, and other vitality weakening phenomena before winter, which has also affected tea production. , and then reported to the county government and other relevant agricultural administration units, and further sampling and inspection, only to find that the soil pH value in this demonstration area is mostly below 4 degrees, indicating that the problem of soil acidification is serious, so it was improved by spreading lime powder.

The Agricultural Department of Nantou County Government and the Xiaobantian Leisure Agriculture Area Development Association point out that soil improvement needs to be carried out for a long time, and remind farmers to pay attention to labor and material costs. In addition, the average age of tea trees in the demonstration area is also around 30 years old. Farmers are recommended After spreading on the surface, plow into the soil, so that the soil within the target depth can be contacted and mixed with lime as much as possible to achieve the purpose of neutralizing the pH value and improving the soil.

Because the altitude of Dalun Mountain is about 1500 meters, the weather is cold, and the temperature is often below 10 degrees Celsius after nightfall. This may be why tourists who come to visit mistake lime powder for frost. It is also a beautiful misunderstanding. After the explanation by the farmers, it also enhances the tourists' knowledge about agriculture and soil improvement, which has a unique educational significance of "day study".

On the leaves of tea trees in the Dalun Mountain "Mixed Agriculture and Forestry" Demonstration Area, Lugu Township, Nantou County, we were amazed to see bees turning their legs upside down, making people even more curious about the white powder on the leaves.

(Photo by reporter Xie Jieyu)

There are layers of white powder on the tea trees and trails in the "Mixed Agriculture and Forestry" demonstration area of ​​Dalun Mountain, Lugu Township, Nantou County, which has attracted the attention of the outside world.

(Photo by reporter Xie Jieyu)

Dalun Mountain in Lugu Township, Nantou County is famous for its beautiful scenery of the sea of ​​clouds, and it also draws attention to the weakening of the life of tea trees.

(Photo by reporter Xie Jieyu)

The ginkgo trees in the "Mixed Agroforestry" Demonstration Area in Dalun Mountain, Lugu Township, Nantou County, have fallen leaves in the cold winter, presenting a bleak scene like dead wood, attracting people to stop and take pictures.

(Photo by reporter Xie Jieyu)