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The type of fertilizer. In order to make the flowers of the ornamental flowers beautiful, the fruit trees and flowers are rich and leafy, first of all to meet their requirements for the three basic nutrients of nitrogen, phosphorus and potassium, and also can not lack other trace elements - calcium, magnesium, sulfur, Iron, zinc, boron, molybdenum, copper, manganese.
Foliar application concentration. When fertilizing flowers and trees, pay attention to different fertilizers to prepare different concentrations, and pay attention to avoid excessive concentration. Excessive concentration may cause the phenomenon of flower and wood burns, but the amount of medicine is insufficient, the fertilizer efficiency is not good, and the effect is not good.
Flowers and trees spray parts. When fertilizing, the drug is sprayed onto the back of the leaf so that the drug is infiltrated into the pores and easily absorbed. Foliar fertilization should be applied to the periphery of the flower tree canopy, and the inner lychee leaves of the tree should be sprayed, and the upper, lower and outer leaves should be sprayed. In addition, when spraying fertilizer, it is necessary to pay attention to spraying, spraying, and spraying, so that good results can be obtained.
Foliar application timing. When the temperature is between 18 °C and 25 °C, the stomata of the blade will be fully opened. At this time, fertilization will greatly improve the fertilizer efficiency; when the temperature exceeds 30 °C, the stomata of the blade will be closed, and the sprayed fertilizer will be difficult to be absorbed by the blade. At this time, it is not possible to spray the medicine to avoid causing phytotoxicity; when the air humidity is high, the fertilizer liquid stays on the leaves for a long time, and the absorbed nutrients are more; when the air humidity is small, the fertilization is not easily absorbed by the leaves. Therefore, foliar fertilization is generally carried out on a sunny or cloudy day without wind, and it is best to spray it best in the morning or evening. When spraying fertilizer, you can add photosynthetic nutrient film fertilizer to help plants absorb a lot of light fertilizer, light energy, light, compatible with conventional fertilizers and nutrients to supply plant growth and development to the limit.
Garden flower and leaf foliar fertilization steps
Foliar fertilization period. Foliar fertilization of flowers and trees is generally carried out in the pre-flowering stage, the strong fruit stage, and the wintering period. Fertilization at each stage was performed once every 7 to 10 days, 2 to 3 times in a row. In the vegetative growth period, more nitrogen and potassium fertilizers should be applied. During the flower bud formation period and the strong fruit period, more phosphorus fertilizer should be applied. Different fertilizers have different spraying effects in different periods. For example, phosphate fertilizer and zinc fertilizer should be sprayed at the initial flowering stage, while molybdenum fertilizer selection has better effect before spraying.
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