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How to determine the sowing date of early rice?
Determine the seeding period for early rice: When the temperature is stable at 12 to 14 degrees Celsius, it is the lowest temperature for rice germination and growth. In natural conditions, the daytime is higher than the daily average temperature, and the nighttime is lower than the daily average temperature. The daily average temperature of 10 degrees Celsius and 12 degrees Celsius is the minimum temperature for the growth of indica rice and Can rice. The suitable sowing date for early rice is: the average daily temperature is stable at 12 degrees Celsius for 3 consecutive days, and the suitable sowing date for the Yangtze River is from late March to early April. As temperatures increase with latitude and altitude, the sowing date should be postponed. In production, attention should be paid to the weather forecast at that time, and it should be grasped in the “cold-tail warmer†to clear up the crop. After a warm sunny day after sowing, the seeds were sown into the soil as early as possible. When the second cold air came, the seedlings had already taken root and the seedlings were not damaged by the low temperature.