How does Dandong cuckoo spend summer in the south
Dandong rhododendron likes the warm, cool and humid environment. Dandong rhododendron cultivated in southern cities must be shaded by curtains in summer, otherwise, the sun will burn the leaves and affect the growth of pregnant buds. At the same time, lay a layer of grass bags or sawdust on the ground, about 5 cm thick, sprinkled with water. Put a layer of bricks on it, and then put the flowerpot on the brick. In case of high temperature, in addition to wetting the ground, spray on the leaves of rhododendron several times a day to form a cool and humid microclimate suitable for the growth of Dandong rhododendron. Southern cities enter the hot season immediately after the end of the rainy season in Huangmei. Light fertilizer can be applied in early July to facilitate bud formation. Since then, it is forbidden to apply liquid fertilizer to the basin in the hot season to prevent root damage. In order to ensure that the azaleas grow well and spend the summer safely, 0.2% potassium dihydrogen phosphate can be sprayed on the leaves once a week. In the high temperature season, diluted with 25% omethoate and water every ten days to 1000ml 15000 times, foliar spraying can control insect pests. Spraying leaves with topiramate or carbendazim every ten days is very effective in sterilization and disease treatment.
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Processing of persimmon leaf tea
Persimmon leaf tea is a new type of health drink made from persimmon leaves. Persimmon leaves contain tannin, choline, protein, minerals, sugars, flavonoids and other useful substances, especially rich in vitamin C, each lOOg fresh persimmon leaves contain vitamin C1s. Often drink persimmon leaf tea, with laxative and diuretic, blood purification, antibacterial detumescence and other health functions. The main points of processing technology are as follows: 1. Timely leaf harvesting. The appropriate time for collecting persimmon leaves is summer and autumn, when the fruit is basically shaped, and the persimmon leaves are thick.
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Seedling Protection Technology of New Zaosheng Tea
In recent years, Chun'an County has accelerated the development of clonal early green tea. By the beginning of 2007, Chun'an County had planted 53000 mu (1 mu = 667m ~ 2) of clonal early raw tea, and 38000 mu had been put into production. there are still 15000 mu still need to strengthen drought resistance and seedling protection, in order to improve the survival rate as the goal of management. Especially for the tea gardens planted last winter and this spring, the following seedling protection measures must be taken. 1. Timely laying grass and laying grass can preserve water and cool down and loosen the soil, which is the key technology of drought resistance. Mowing grass
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