A Semi-Flush Mount is a type of Lighting Fixture that is installed on the
ceiling and hangs down slightly, but not as far as a Pendant Light. It
is a popular choice for rooms with low ceilings, as it provides ample
Lighting Product without taking up too much vertical space. Semi-Flush Mount Lighting come
in a variety of styles and designs, from modern and sleek to more
traditional and ornate. Semi-Flush Light are typically easy to install and can be
used in a variety of settings, including bedrooms, living rooms, and
kitchens.
Compared with Flush Mount lamps, there are no special restrictions on the design of Semi-flush Mount due to a certain vertical space, so there will be more changes in the structure. Can be with a chain, can be used boom. In the Normal Temperature test, it is stipulated that the distance between the bulbs or lampshade area and the canopy or ceiling in Semi-flush Mount is within 4 inches, which needs to make the Normal Temperature test, and whether to post a temperature warning depends on the temperature. If the distance is greater than 4 inches, Normal Temperature test is not required.
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1. Ditch and prevent waterlogging. In the spring, green manure is most afraid of water. It is necessary to open three ditches, namely, ring-shaped ditch, box ditch and cross drain to ensure that the rain stops the water and prevents water from accumulating in the field.
2. Change the fat to the big fat. After the temperature in the spring is warming up, Ziyunying is transferred from the winter to the spring season, applying 3-5 kg ​​of urea or 7.5-10 kg of ammonium bicarbonate per mu, or spraying 0.2% potassium dihydrogen phosphate plus 0.5% urea to promote green manure. The branches and leaves are fierce, which can increase the yield of fresh grass by more than 20%. Spraying the boron key fertilizer on the planting field can significantly increase seed yield. 0.3% borax and 0.2% key fertilizer solution, 50 kg per acre of water, sprayed at the initial flowering stage. After use, the yield per acre is 8-10 kg, and the yield increase is over 10%.
3. Prevention of pests and diseases. The main diseases of green manure include powdery mildew and sclerotinia sclerotiorum, which can be controlled by carbendazim or retort; insect pests include aphids, leaf miners, thrips, etc., which can be controlled by dimethoate, and the armyworm can be controlled by trichlorfon.
Due to the increase in fertilizer prices, the area of ​​green manure planted by farmers in winter has expanded. After the spring, as the temperature warms up and the rain increases, it is the key to achieve green manure yield.
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