The main reason why only the long stems do not bloom is that the plants are placed too shady; the second is the daily watering too much and the soil is too wet; the third is the excessive application of nitrogen fertilizer; the fourth is the pH value of the soil is too high. Insufficient sunlight and excessive nitrogen fertilizer can cause plants to grow in length and adversely affect the differentiation of flower buds. Too much watering is not conducive to the utilization and utilization of carbohydrates. Soil pH is too high and affects flower formation. The solution is to move the flowerpot to more light-scattered and well-ventilated areas. Watering should be based on the principle of wetness between the stems and be properly controlled. Appropriate amount of fertilization, especially in the bud to increase phosphorus and potassium fertilizer. Change pots and soils timely to keep the pH in good condition. The actual condition of the yellow stem of the metamorphosis stems from the direct positioning of the flowerpot due to its improper position. The solution is to place it outdoors in sunny spring and autumn, and in semi-shaded and ventilated place in summer, or in indoor air circulation and in a certain sunny place. In addition, if the plant suffers from spider mites, it will also turn yellow. In this regard, we must first improve the ventilation conditions of the plants, and second, we must observe them at any time. Once we find pests, we use omethoate to kill them.
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