1. Keep the ground temperature constant:
The appropriate temperature is the key to the growth of cucumber. The optimum temperature for root growth is 20-22 degrees, the highest is 28 degrees, and the lowest is 8 degrees. If the temperature is lower than 12 degrees, the growth of the root system is hindered, and the root growth below 8 degrees stops growing, and if the temperature is lower than 5 degrees, it is easy to be frozen and die.
2. Reasonable watering and fertilizing:
If the soil is too dry and wet, it will affect the growth of the roots. In winter greenhouses, avoid flooding, especially in the winter. Fertilization should not be applied once to over-quantify fertilizer, easy to burn roots, winter can not be flushed with excessive nitrogen fertilizer, to prevent ammonia from volatilizing and smearing cucumber.
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