Vegetables water bad winter night

The disadvantages of winter night watering basically has two: one is to increase the relative humidity. Night, greenhouses CaoShan, fresh mouth have closed, canopy temperature, relative humidity increase gradually, and the fog was formed, more than one hundred percent relative humidity, and can be assembled into a cucumber (cucumis dew.

If in the night and then to watering, it may be said is "worse", can increase the relative humidity, more easy to form the PengShi environment of low temperature and humidity, conducive to the occurrence and spread of diseases. Such as the optimum temperature of cucumber downy mildew occurred at about 18 ℃, humidity is above 83%.

2 it is night watering, easy retting root, root damage. Because night slow metabolism of cucumber root activity, art ability is poor, if suddenly nature, larger influence on plant growth.

In general, the winter water in clear water before 10 o 'clock in the morning as well.

If you want to learn more about all kinds of information online, you can log in www.agriculturekey.com