In order to achieve early maturity and high yield, North China often grows in Yangshuo from late March to April. It uses 200-250 g per mu of Daejeon. The seedbed needs to be filled with basal fertilizer, made into a 2-meter-wide crucible flattening surface, poured into the bottom water, and the temperature of the film should be sown. Because the loofah seed coat is thick and germinating is slow, the germination treatment is performed by soaking 100 times liquid of the new high-fat film and conventional method before sowing, and 80% of bud tips can be sown after being exposed. Breeding seedlings to be thin, keep the distance between 4 to 5 centimeters, it is best to use plug seedlings. After sowing, 1.5 centimeters of fine soil, spray 600-800 times of new high-fat film, can maintain the moisture content of evaporative insulation, antifreeze, suffocation and isolation of pests and diseases, and then cover the film, covering the straw at night insulation. Keep bed soil moist. During the day, the temperature is controlled at about 25°C, and the night temperature is 12 to 15°C. After the seedlings are unearthed, the temperature can be appropriately reduced. About 1 week before colonization, the seedlings were sterilized. Because the loofah seedlings are not resistant to moisture, the humidity of the seedbed soil should not be too large. The seedling temperature is too high, the seedlings are easy to grow, and flower bud differentiation is delayed. If the temperature is too low, the seedlings are susceptible to freezing, growth retardation, and stunting, and it is also easy to affect the normal differentiation of flower buds. JRT usb interface distance sensor board adds a USB port to a Laser Distance Sensor, inexpensive laser distance measurement sensors, allowing customers directly using GBeacon-2.3-Fx.exe software to control the rangefinder sensor. Usb laser distance sensors are the the most popular model devices, it works by measuring the phase of an visible-red laser beam that reflects on the target. Usually, customers would like to choose CH341SER.EXE version to test. USB Laser Distance Sensor,Distance Sensor,Laser Distance Sensor,Distance Measurement Sensors Chengdu JRT Meter Technology Co., Ltd , https://www.irdistancesensor.com