Compared with conventional soil cultivation, hydroponic vegetables have many obvious advantages. First, it can prevent or reduce the obstacles that occur due to the continuous cropping of the soil. For some special crops, it can be cultivated at any height, continuously produced, and evenly distributed to the market, thus improving the utilization rate of the land. Second, in the management process, cultivating, weeding, soil disinfection, and other operations are eliminated, so labor can be greatly saved. Third, because it is possible to maximize the artificial satisfaction of crops with regard to temperature, light, moisture, nutrients, etc., the produced vegetables are not only high in yield but also of good quality, and they are clean, fresh, non-polluting and pollution-free. They are pure green foods. Can improve product quality. In addition, since the nutrient solution used by it can be recycled, the consumption of water is low except for the absorption and natural evaporation by the roots of the vegetables, which has the advantage of saving water.
However, the cultivation of hydroponic vegetables has a relatively large initial investment, and the cultivation and management requires a certain amount of professional and technical knowledge. Therefore, at present, China can only promote and develop in some economically more developed regions. This program will introduce you to the cultivation techniques of hydroponic vegetables.
Substitute tea refers to the use of edible plant leaves, flowers, fruits (fruit), roots, etc., using the way of drinking tea (by brewing, boiling, etc.) is a kind of products commonly known.
Substitute tea is divided into leaf, flower, fruit and rhizome; The way of drinking the same as tea is generally composed of one or more items in the two categories of "medicine and food homology" and "can be used for health care" in the food classification stipulated by the Ministry of Health. Tea products made from the roots, stems, leaves or fruits of these plants.
The way of drinking the same as tea, generally by the ministry of Health provisions of food classification of medicine and food homologous category, can be used for health care category, two types of goods in the single or multiple items, with the roots, stems, leaves or fruits of these plants made of tea products.
Substitute tea has certain effect and auxiliary effect for some special groups, belonging to the health conditioning products.
Alternative Tea,Hot Drink Alternative To Tea,Tea Substitute,Green Tea Alternative
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