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In the winter, the potted compound fertilizer and ferrous sulfate can be applied. Plants belonging to this category include monstera, spring feather, variable leaf wood, peach leaf coral, Wenzhu, Umbrella, Hydrangea, and spider eggs. Because of the proper amount of nitrogen and iron, the leaves of the potted plants can be rich and green, and the application of a small amount of potassium can increase the cold resistance of the plants. The method of fertilizing is to embed a small amount of granular fertilizer into the potting soil; or to pour the liquid fertilizer into the soil by about 3%, once a month is appropriate.
In the winter, it is advisable to increase the application of phosphorus and potassium fertilizer. Plants belonging to this category include cyclamen, poinsettia, geranium, camellia, camellia, plum, wax plum, iron stalk, sea urchin and the like. Sufficient phosphorus nutrients can make the flower buds large, colorful or floral, while maintaining a certain amount of potassium is beneficial to improve the cold resistance of potted plants. Such potted plants can be applied with solid phosphorus and potassium fertilizers, or 2-3% liquid fertilizers such as potassium dihydrogen phosphate. The time of fertilization is better during the growth period of the flower buds, once every two weeks, and the flower buds are stopped after opening.
Phosphate fertilizer should be added in the winter of potted fruit cultivation. Plants belonging to this category include generations, kumquats, golden beans, bergamot, pyracantha, and bamboo. As a result of the plant, a large amount of phosphorus nutrients are consumed. In order to continue the flowering result in the coming year, it is necessary to supplement a sufficient amount of phosphorus in the winter by applying a certain amount of solid heavy superphosphate from the periphery of the flower pot, but once applied The amount of input should not be too much, otherwise it will burn out the roots, which is counterproductive.
Potted flowers in dormant state can not be topdressed in winter. Plants belonging to this category include pomegranate, bell-bell, sea bream, hibiscus, cactus, bulbous sea bream, hydrangea, medlar, sea bream, white orchid, milan, pearl, hazelnut, rose, peony, peony, iron tree, pine and cypress. . However, these pots must be changed in the winter or in the spring, and the base fertilizer should be applied at one time to facilitate the growth or flowering in the coming year.
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