Potted flowers should pay attention to two points:
(1) Types of flowers Different kinds of flowers have different requirements for fertilizers. Such as sweet-scented osmanthus, camellias like pig manure, avoid human urine; rhododendron, camellia, gardenia and other southern flowers bogey alkaline fertilizer; flowers that need to be cut every year need to increase the proportion of phosphorus, potassium fertilizer, in order to facilitate the emergence of new shoots; Flowers dominated by foliage can focus on applying nitrogenous fertilizers; flowers that view large flowers such as chrysanthemums, dahlias, etc., require adequate amounts of fertilizer at the flowering stage to make all flowers open and beautiful in shape; The flowers should have proper control of fertilizer and water during the flowering period, and adequate full fertilizer should be applied during the fruit period in order to achieve the desired effect. For bulbous flowers, some potassium fertilizer should be used to enrich the bulbous roots; fragrant flowers should enter the flowering stage; Phosphorus and potassium fertilizers promote flower fragrance.
(2) Timely and appropriate mastering of the two principles, namely, "more than four, four less, four not" and "thin and fertilized." "More than four, four less, four not" refers to: yellow lean more than Shi, more than before germination, pregnant buds and more Shi, after flowering more than Shi; Shi Zhuang less, germinating less Shixue little Shi, less rain season; Actress is not long, new planting is not applied, Sheng Shu does not Shi, do not sleep. During the seedling stage, whole-element fertilizers are applied, and in the flower and fruit stage, the application of phosphate fertilizers is dominant, and the flower of the foliage is mainly nitrogen fertilizer. In winter, the temperature is low and the plants grow slowly. Most flowers are in a state of stagnant growth, and generally do not apply fertilizer. In spring and autumn, the flowers grow vigorously. The growth of roots, stems and leaves, the differentiation of flower buds, and the expansion of young fruits all require more fertilizer. Some additional fertilizers should be applied as appropriate. In summer, the temperature is high, the water evaporates quickly, and the flowers grow vigorously. The top dressing concentration should be small and the frequency can be more. The specific fertilization time is generally in the evening, avoid fertilization before and after noon, because the high soil temperature at noon is easy to hurt the root.
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