In the basin soil can not maintain the normal growth of flowers, there will be yellow leaves, branches weak, flowers and small fruit, etc., so that you need to fertilize. However, fertilization depends on the type of flower, its habits, the purpose of fertilization, and the elements it lacks to determine the type, quantity, frequency, and fertilization method of the fertilizer. Family flowers can be divided into two types, namely open planting and pot planting. Fertilization should also be differentiated. Although Ting Yi differs from the fields, it has high ground temperature and a large range. It is convenient for water absorption and fertilizer absorption. Therefore, the frequency of fertilization and watering can be less, and the fertilizer is not strong enough for a moment. The pots are different, because of the limitations of the environment, on the one hand can not be lack of fat to prevent deficiency syndrome; on the other hand, it is necessary to prevent excessive fertilizer, produce fertilizer damage to plants, affecting normal plant growth. The plant habits also have the advantages of fertilizer-resistant and resistance-tolerance, such as citrus, Nantianzhu, pomegranate, lotus fertilizer and other fertilizer plants should be more fertilized; and rhododendron, black pine, needleless pine, etc., should be applied thin fertilizer. Due to the fine roots, the azaleas have weak fertility, but they suffer more from fertilizer and less fertilizer affects flowering. For fertilization, we must first understand the type of fertilizer and its function. The basic nutrients of flowers are three elements of nitrogen, phosphorus and potassium: 1. Nitrogen fertilizer: It can promote lush foliage and increase flowering rate. Common nitrogenous fertilizers include manure and ammonium sulfate. 2. Phosphate fertilizer: It can make the flower color bright and full and full. The common phosphorus fertilizers are rice bran, fish scales, bone meal, chicken manure, and superphosphate. 3. Potassium fertilizer: It can make the roots grow strong, enhance the resistance of flowers to diseases and insect pests, cold and heat, and increase the fragrance of flowers. Common potash fertilizers include straw ash, grass ash, and potassium sulfate.
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