Chrysanthemum is native to China and is a perennial perennial flower. Cultivation can be divided into three cultivation methods: Dali, Chrysanthemum, and Chrysanthemum. Integrating practical experience from all over the world, we must make chrysanthemum flowers beautiful, leaf green, medium and short, moderate and symmetrical, we must grasp the following key technical measures. Appropriate control of Fertilizer chrysanthemum hi fertilizer, if improper fertilization easily lead to leggy. If too much nitrogen is applied, the plant height will be leaf thin, so the basal fertilizer should be dominated by phosphorus and potassium fertilizers. It is not too early to apply topdressing. If the leaves are small and thin, the leaves are yellow in color and can be sprayed with 0.1% urea water several times until it turns green. If there are phosphorus and potassium fertilizer symptoms, 0.2% potassium dihydrogen phosphate solution should be sprayed. After the beginning of autumn until flowering, the fertilizer should be sufficient, the concentration should be gradually increased, and should pay attention to increase phosphorus and potassium fertilizer, can make the flower color is positive, long flowering period. Appropriate water reduction should make the seedlings grow short, dense, leafy, and not barefoot. Less watering is the only effective measure. Potted jujube watering should be timely and appropriate, even if it is a flourishing period, the daily watering volume is also best to maintain the required amount of water to evaporate at noon. If it is estimated that there is no dew when the wind is big in the evening, spray water can be used to spray wet foliage and surface of potted soil. Potted soil-changing chrysanthemum throughout the growth process, generally need to change the basin 2-3 times. Transplanting in the seedling stage is maintained in a small basin with a caliber of about 12 cm, and cultured in a pot with an entrance diameter of about 15 cm in the strong seedling stage, and then cultured in a pot with an entrance diameter of about 20 cm before bud differentiation. At this time, fertilization is applied. Culture earth. In this way, the flower pots gradually increase and the basin soil gradually increases, which is favorable for supplying the appropriate amount of water and fertilizer required for various growth and development stages. Avoid large pots to raise seedlings or small pots to raise large seedlings. If the foliage is found to be excessive, some of the soil and fibrous roots may be removed. Timely picking and timely picking can trigger side branches and effectively reduce plant height. The time and number of pickings for potted plants vary according to different artistic styles. The general family in the northern region kept 4-7 flowerpots. After the seedlings were planted, they left 4-5 leaves to pick their hearts. When their collaterals grew 4 to 5 leaves, they left 2-3 leaves for each side branch. 2 topping. However, Dali Ju needs to take heart 6-9 times. Buds budding buds chrysanthemum strong seedling period, sprouting a lot of axillary buds, need to be promptly knocked out, otherwise it will not only consume a lot of nutrients, but also grow many small branches of small flowers, so that plants appear disorderly. During the buds, side buds sometimes appear on the branchlets below the top buds. In addition to the need to retain them, they should be removed early with tweezers to promote hypertrophy. To raise the well-behaved saying "flowers must have green leaves". Therefore, during the growth of potted chrysanthemum, rational fertilization, watering, prevention of pests and diseases, and prevention of leaf yellowing off, can ensure that the leaves are handsome and robust. China Agricultural Network Editor
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