Electromagnetic flowmeter If the measured medium is relatively dirty for a long time, the electromagnetic flowmeter will produce fouling on the electrode after working for a period of time. When the conductivity of the fouling su…

In blizzard days, in order to avoid low temperature hazards for shed vegetables, it is recommended that vegetable growers start with the following aspects:

Increase shed temperature

Special locations are provided for additional protec…

Young apple trees have strong growth potential, poor cold resistance, and poor management. They are prone to stripping after winter. In mild cases, poor growth, disordered tree shape, delayed fruiting. The whole plant died in severe cases, resultin…