Sweet potato is a root crop. It needs a lot of potassium in its growth. Potassium dihydrogen phosphate can increase its yield by 500 kg. When the sweet potato is transplanted, use a steamed bread to dig a hole. Each kilogram of potassium dihydrogen phosphate is mixed with fine soil of about 15 kg. Repeat the mixing and mixing evenly, then apply it according to the amount of 5 grams per hole. After watering, put the sweet potato seedlings into the hole. It can be buried in the middle.
Wireless level sensor is a high-precision, low-power wireless liquid level detection instrument, which consists of input liquid level sensor, signal processing circuit, communication module and power module. It uses a high-capacity, high-energy lithium battery, radio frequency radio transmission data. Installation is simple, easy to use, no need site wiring, leaves out the conventional instrument wiring bypass trouble, save manpower and construction cost, especially suitable for unwired and unpowered application site.
Wireless Level Sensor,Wireless Water Level Indicator,Wireless Water Level Sensor,Wireless Fuel Level Sensor; wireless level transmitter
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