Clivia is fertile, but excessive fertilization can cause rotten roots. The general fertilization method is to combine the potting and applying the base fertilizer, and the fermented solid cake fertilizer is applied once every other month in the spring, autumn and winter, and the organic liquid fertilizer is applied once a week. The commonly used solid fertilizers are mainly used for frying and crushing various oil seeds, and also can be used for fermented fermented cake fertilizer and bone powder. The amount of fertilizer applied should be determined according to the size of the plant and the number of leaves. When fertilizing, open the potting soil and bury the fertilizer 2 cm in the soil to avoid direct contact of the fertilizer with the root system. Commonly used liquid fertilizers are mainly fermented bones, beans, river prawn and other simmered juices, and the supernatant is taken and diluted 20-40 times. Fertilization time is usually in the early morning and should be poured along the basin to avoid application to the plant. After applying the liquid fertilizer, a small amount of water should be poured in time to dissolve the fertilizer and rinse the newly grown fleshy roots. Depending on the season, the type of fertilization has a focus. In the autumn, the nitrogen fertilizer is applied to the bean cake; in the winter and spring, the phosphorus and potassium fertilizers such as sesame and bone powder are applied; in the summer, the leaf top dressing of 0.1% potassium dihydrogen phosphate or 0.5% superphosphate is applied. Although the top dressing can be carried out all year round, the spraying on the leaves in summer not only makes the seedling grow faster, but also draws more arrows, flowers, and can also cool down.
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LED Bulb
LED is the abbreviation of Light-Emitting Diode. It is made of semiconductor materials. It has a positive pole and a negative pole. When DC is applied to its positive and negative poles, it will emit light. From 1907 to 1993, LED has experienced 86 years of history. The application of LED technology is generally divided into visual and non-visual categories. The application of visual category includes LED lighting technology, and the non-visual category includes plant photosynthesis and medical care.
LED process:
The whole production process of LED Lamp Beads is divided into epitaxial chip production, chip production, and lamp bead packaging. The whole process reflects the manufacturing technology level of modern electronic industry. The manufacturing of LED is a combination of multiple technologies and a product with high technology content. The knowledge of LED for lighting purposes also needs to know how LED lamp beads are produced.
LED epitaxial wafer production process:
LED epitaxial wafer growth technology mainly uses organic metal chemical phase deposition (MOCVD) to produce synthetic materials with semiconductor characteristics, which is the raw material for manufacturing LED chips
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