What are the prevention methods of cold dew wind?

Master the occurrence law of cold dew wind and the safe heading date of double-season late rice (referring to the date when more than 80% of the years during heading and flowering of double-season late rice are not harmed by cold dew wind), and rationally match varieties. That is, according to the appearance of cold dew wind in the morning and evening, select varieties and arrange suitable sowing dates to make them heading safely and avoid the harm of cold dew wind;

2, scientific use of cold dew wind forecast, reasonable arrangement of production. The long-term forecast of cold dew wind can provide reference for leaders and farmers at all levels to arrange double-cropping late rice production. For example, in the year of cold dew and early wind, a variety of early-maturing varieties can be used, and even the planting area of double-cropping late rice can be appropriately reduced; There are many late-maturing varieties, which can be planted late;

3. Breeding varieties with low temperature tolerance and high yield;

4. Strengthen field management, apply fertilizer rationally, use water scientifically, enhance root activity and assimilation ability of leaves, make plants grow sturdily and improve their low temperature resistance;