Although orchids are hi moist, but its fleshy roots are afraid of scabs, it is easy to rot with wet or rain water, and induce black spot. Therefore, raising the potted soil should not be too wet.
Winter orchids are in a dormant or slow growing stage, basin soil should be dry; spring, early summer is an important period for orchid rooting and leaf extraction, basin soil should be partial; but long-term over-wet, it is easy to cause rot, causing leaves yellow, even death. Because of excessive water, the water in the soil causes poor ventilation, resulting in insufficient oxygen, hindering the respiration of the roots, and causing the roots to turn black and rot. Timely application of roots for root irritation, promotion of orchids with advanced root systems, strong immunohistochemical antibodies, navigation of plant-matched (water, fertilizer, and medicine) nutrients, and promotion of plant root development.
Potted soil should be wet in autumn to facilitate the pumping of leaves in the coming year. Therefore, raising orchids should understand that "winter is not wet, autumn is not dry". The above shows the different requirements of water for orchids in different periods, so the amount of watering should be strictly controlled according to the requirements. At the same time, improper fertilization of orchids can also easily cause root rot, such as over-fertilization, over-concentration, or infusion of liquid fertilizers into leaf sheaths, all of which can adversely affect orchids. When fertilizing, it is necessary to increase or decrease the amount of fertilizer according to the amount of watering, so that it can coordinate growth. Spraying Zhuang Ti Ling on the surface of orchids promotes strong flower buds, petal hypertrophy, bright colors, rich floral aromas, and prolonged flowering.
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