Look at the season. Low winter temperatures, slow plant growth, most flowers in a stagnant state, generally do not fertilize; spring and autumn positive flower growth period, root, stem, leaf growth, flower bud differentiation, young fruit expansion, all need more Fertilizers should be top-dressed more properly; in summer, high temperatures, rapid evaporation of water, and strong growth of flowering plants, the application of topdressing concentrations should be small, the number can be more. At the seedling stage, some nitrogenous fertilizer may be added to promote the seedlings to grow rapidly and robustly; some of the phosphate fertilizers may be applied during the buds to promote flower buds and seedlings; and fertilization may be appropriately controlled at the early fruit setting stage to facilitate fruit setting.
Second look at the variety. Different varieties of flowers require different fertilizers, so different fertilizers should be applied. Such as sweet-scented osmanthus, camellias like pig manure, avoid human excrement; rhododendron, camellia, gardenia and other southern flowers bogey alkaline fertilizer; need annual re-cut flowers need to increase the proportion of phosphorus, potassium fertilizer, in order to facilitate the emergence of new technology; Leaf-based flowers can be applied to the application of nitrogenous fertilizer; flowers with large flowers, such as dahlias and chrysanthemums, should be treated with adequate amounts of complete fertilizer during the flowering period, so that all flowers can be opened and beautifully colored; In the flowering period, the water supply should be properly controlled during the flowering period, and sufficient fertilizer should be applied during the fruit period in order to achieve the desired effect. For the bulbous flowers, some potassium fertilizer should be used to enrich the bulbous roots; the fragrant flowers should enter the flowering stage, and more should be used. Phosphorus and Potassium fertilizers can promote flower odor.
Look for growth. Especially for potted plants, fertilization depends on the amount of growth. Adhere to the "four more, four less, four not" principle, that is, more than the yellow thin, multi-planting before germination, pregnant buds and more facilities, after flowering more; vigorously less applied, less germination, less flowering, less rainy season Actress is inactive, new planting is not applied, Sheng Shu does not apply, do not sleep. At the same time should pay attention to the "four bogeys": a bogey concentrated fertilizer, the second bogey fat (apply organic fertilizer to go through full maturity), the three bogey heat (high soil temperature in the summer at noon, fertilization easy to hurt the root), four avoid sitting fertilizer, namely When planting flowers, do not put the root directly on the basal pelvic floor fertilizer, but add a layer of soil to the fertilizer and then plant the flowers into the pot.
It is worth noting that when the temperature is high before and after noon, it is inappropriate to fertilize, change pots, or transplant flowers. Http://Content/eca11624-de0d-4674-82a1-8ef1073e02d2?cType=2
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