Causes of scorched black and rotten roots in the leaf tail of Guolan
1. The temperature is too high and the sun shines directly, causing the leaf tail to burn easily.
2. The substrate of basin soil is too fertile and damp to dry, which results in poor root development, hindrance of nutrient absorption, scorch and blackening of leaf tail, and death of rotten root and orchid plant in heavy cases.
3. Insect pests. There is a kind of insect pest similar to aphids, which lives in the basin soil and lives on the orchid root. It is very small and difficult to find at ordinary times. Although it is not harmful directly, it is easy to cause the disease and cause rotten root.
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Australian tea
Myrtle family, evergreen shrubs, luxuriant branches, reddish brown branches, more slender, new shoots usually tomentose, leaves alternate, leaves linear or linear-lanceolate. It is originally from New Zealand, Australia and other regions. Because its leaves are like pine leaves and flowers are like the Red Sea. Although the flowers of Australian tea are small, they bloom luxuriantly, and when they are in full bloom, the little flowers of the trees are dotted with bright and beautiful flowers, giving people the feeling of blooming flowers. In addition to potted plants, Australian tea can also be used as garden shrubs and cut flowers. In addition, Australian tea can extract essential oil, which has antiviral and antifungal properties.
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Production method of tea oil
Production method 1. The harvested tea seeds are exposed to the sun, or baked slowly over low heat, waiting for the shell to fall behind, take round or flat tea seeds and grind them with stone. Because the stickiness of tea seed powder is small, we should pay attention to grinding the finer the better. String 82. Steam in a steamer, take the hot granule (steamed billet) and step on the cake quickly while it is hot. If it is cold, the cake will not be made, the oil yield will be reduced, or even no oil will be produced. 3. Put the cake into the soil press, press, hit hard and squeeze quickly, can not be withdrawn halfway. 4. To extract from.
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