Fertilizer management of chrysanthemum in summer and autumn

Chrysanthemum is a traditional flower in China, and it is also an indispensable flower in the garden for flower beds and flower fields in autumn. Cultivation of chrysanthemums, management needs to be fine, especially in late summer and early autumn, it is a critical period of management. Can you make the chrysanthemums bright in the fall, except for the toppings? The focus is on mastering the correct management of fertilizer and water. Chrysanthemum likes fertilizer, it needs to be supplemented with fertilizer several times in the growing season, but it can not be abused. The weather is still hot before and after the fall, and the chrysanthemum grows slowly, requiring less nutrients. When the fertilization is too much, the root system will be damaged by the high temperature, and the early growth of the seedlings and the premature aging of the leaves will affect the ornamental value. As the saying goes: "It is easy to raise flowers and raise leaves." Chrysanthemums such as "bare feet" (ie, no leaves at the bottom) are inferior. In late August, the chrysanthemum enters the flower bud differentiation stage, and the fertilization should be stopped at this time. Entering September, when the flower buds are formed, they will be followed by heavy fertilizer. The commonly used fertilizer is human excrement, the ratio of manure to water is 4:6 or 3:7, and urea or ammonium sulfate can also be used at a concentration of 0.5%. Before fertilizing, the potting soil should be slightly dry, applied after loosening, and should be carried out in the evening or before the rain, and then watered again in the early morning. Chrysanthemum watering must master the principle of proper amount and dryness. In general, hot summers need to be poured once in the morning and evening, and it is best to pour in the morning before the soil temperature rises significantly. Once in the evening, it should be poured after the soil temperature is lowered. Do not water the water during the sun, otherwise it will easily "burn" the bad roots. The weather is getting cold in September, and the flower buds can be used once a day during pregnancy, preferably in the morning. If the water is planted in the evening, the plants will be elongated rapidly, and the leaves will be sparse and extremely unattractive. In November, the chrysanthemums are in full bloom. When the flowers are opened to 7-8%, the potting soil is suitable for drying. It can be watered once every 2-3 days to prolong the flowering viewing time.

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