Answer: The amount of fertilizer input in cabbage is closely related to the local soil texture, fertilizer use habits, fertilizer varieties, and climatic conditions of the year. Sandy soil has a rapid loss of fertilizer and poor fertilizer retention capacity. If the fertilizer is blindly injected, the fertilizer utilization rate is low and the input cost is high. Some habit of applying fertilizer to the ground will volatilize quickly after being sprayed, resulting in great waste. Some are spreading while it is raining, and the fertilizer is immediately lost. Some long-term application of a single chemical fertilizer causes soil compaction and salinization. The environmentally degraded soils consume large amounts of fertilizers and less crops, and their expenditures increase year by year. There are three suggested countermeasures. The first is to increase the application of organic fertilizer to improve the soil aggregate structure; the second is to formulate balanced fertilization according to the characteristics of crop fertilizer requirements;
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White tea, belongs to the micro-fermented tea, old white tea is often prepared as medicine to practical, its medicinal properties are very good. It has the effect of moistening the lungs and protecting the liver. The production of white tea is special, after picking the fresh leaves, it is not killed, but only dried and processed by sun-drying. The buds and hairs of the finished tea are relatively intact, with white hairs showing and the fragrance of hairs overflowing; the soup color is clear, generally yellow-green, and the taste is light with a strong sweetness. The main production areas of white tea are in Fuding, Fujian, Zhenghe and Jinggu, Yunnan, and the more famous white teas are: white hairs silver needle, white peony, Shoumei, Fuding white tea and so on.
White tea is simpler than black tea and green tea in terms of production method. After being picked, it is directly dried or dried in the sun without any frying or twisting action. Because of the simplicity of the production process, white tea retains the nutrients in the tea leaves to a great extent. People who often drink white tea in the summer rarely get heatstroke. Experts believe that this is because white tea contains a variety of amino acids, which have the effect of reducing heat, dispelling heat and detoxifying.
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