The lunar month of the lunar month is the overwintering stage of wheat, and its cold resistance is strong. Once the climate is too warm, wheat will rise in advance, the cold resistance will fall, and it will be vulnerable to cold damage. Moreover, the first month will not be cold and it will lead to pests and diseases. Occurs and affects wheat production.
February cold weather in February, the temperature gradually rises, if the weather suddenly cools, on the one hand susceptible to frost damage, on the other hand will delay the turn green, shorten the growth period.
Fear of frost in March when the wheat began jointing, cold resistance is poor, such as late frost, vulnerable to frost damage, most of the last spring cold air occurs in most children in March. Nongken said: "Snow and snow break, Gu Yu broken frost."
In April, as the temperature rises, the fog increases, the temperature increases, and fog begins to appear. April fog directly affects wheat flowering, pollination and grouting, and it also causes the spread of wheat rust and powdery mildew.
In May, the fear of wind mainly refers to dry hot wind. At this time, wheat is being pollinated and pollinated by booting. Once it encounters 3 to 5 days of dry hot wind, it will lead to a significant reduction in wheat production.
As long as we grasp the "five fears" of wheat and take corresponding measures, we can also win the stable production and high yield of wheat.
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