Fertilization methods for potted flowers

Bonsai and flowers are very particular about fertilization, too much, branches and leaves grow; lack of fertilizer, the branches are thin and weak, leaves turn yellow, vulnerable to diseases and insect pests. Therefore, fertilization should pay attention to the following tips: first, newly planted, newly potted, just changed mud potted trees, potted flowers, root system damage, it is appropriate not to apply fertilizer. More fertilizer must be applied during the peak growing season of potted flowers and potted trees in spring and summer. After entering autumn, potted flowers and potted trees grow slowly, so they should apply less fertilizer. Flowers and trees enter the dormant period in winter and stop fertilizing. It is not suitable to apply fertilizer around noon in rainy days or high temperature in summer (fertilization in rainy days is easy to lose, and fertilization in hot weather is easy to damage roots). Fertilization is best in cloudy days, evening or when the basin soil is slightly dry, first remove weeds and loosen the soil, which is beneficial for fertilizer and water to infiltrate into the soil and accelerate fertilizer decomposition. But in the next morning must be thoroughly watered, commonly known as backwater, both conducive to the absorption of fat and water and avoid fertilizer damage. Second, thin fertilizer is applied frequently, the amount of fertilizer applied each time should be less and sparse. Generally speaking, the Beginning of Spring to the Beginning of Autumn, every 15 days after a thin fertilizer water (7% water 3% fertilizer); the Beginning of Autumn after 30 days after topdressing, the Beginning of Winter stopped topdressing. Third, it should be noted that the nutrients needed by potted flowers and potted trees are mainly nitrogen, phosphorus and potassium. Nitrogen fertilizer promotes plant branch and leaf growth, such as peanut bran, bean cake, ammonium sulfate; phosphate fertilizer promotes flower color and fruit hypertrophy, such as calcium superphosphate and bone powder; potassium fertilizer promotes root development and plant firmness, such as potassium sulfate and plant ash. Therefore, it should not only be applied separately according to the growth of plants, but also according to the characteristics of varieties and growth conditions. Fourth, it is best to use organic fertilizer for bonsai flowers, also known as farm manure, such as human feces and urine, poultry manure, bone meal, peanut bran, bean cakes and all kinds of green manure, plant ash, etc., these fertilizers contain different components of nitrogen, phosphorus, potassium elements. Do not use chemical fertilizers as much as possible, because chemical fertilizers will leave acid or salt roots, and the basin soil will become acidic or alkaline, hindering the growth of plants. In addition, fertilization should be applied at the edge of the basin.